Characterization of the self-perception of oral health in the Brazilian adult population

Caracterização da condição percebida de saúde bucal na população adulta brasileira

Danielle Bordin Cristina Berger Fadel Suzely Adas Saliba Moimaz Celso Bilynkievycz dos Santos Cléa Adas Saliba Garbin Nemre Adas Saliba About the authors

Abstract

This article aims to perform an analysis of the factors that determine the self-perception of oral health of Brazilians, based on a multidimensional methodology basis. This is a cross-sectional study with data from a national survey. A household interview was conducted with a sample of 60,202 adults. Self-perception of oral health was considered the outcome variable and sociodemographic characteristics, self-care and oral health condition, use of dental services, general health and work condition as independent variables. The dimensionality reduction test was used and the variables that showed a relationship were submitted to logistic regression. The negative oral health condition was related to difficulty feeding, negative evaluation of the last dental appointment, negative self-perception of general health condition, not flossing, upper dental loss, and reason for the last dental appointment. The use of a multidimensional methodological basis was able to design explanatory models for the self-perception of oral health of Brazilian adults, and these results should be considered in the implementation, evaluation, and qualification of the oral health network.

Key words
Oral Health; Perception; Self-evaluation; Cross-Sectional Studies; Data Mining

Resumo

O objetivo deste artigo é realizar uma análise dos fatores que determinam a autopercepção de saúde bucal dos brasileiros sob base metodológica multidimensional. Estudo transversal, com dados provenientes de inquérito em âmbito nacional. Foi realizada entrevista domiciliar com uma amostra de 60.202 adultos. Considerou-se a autopercepção de saúde bucal como variável desfecho e características sociodemográficas, de autocuidado e condição de saúde bucal, de utilização de serviços odontológicos, de condição de saúde geral e de trabalho como variáveis independentes. Empregou-se o teste de redução de dimensionalidade e as variáveis que apresentaram relação passaram pelo teste de regressão logística. A autopercepção negativa de saúde bucal apresentou-se relacionada à dificuldade para se alimentar, avaliação negativa do atendimento recebido durante a última consulta odontológica, autopercepção ruim da condição de saúde geral, não utilização de fio dental, perda dental superior e motivo da última consulta com o cirurgião dentista. A utilização de base metodológica multidimensional foi capaz de (re)desenhar modelos explicativos para a condição percebida de saúde bucal de adultos brasileiros, devendo, os seus resultados serem considerados na implementação, avaliação e qualificação da rede de saúde bucal.

Palavras-chave
Saúde bucal; Percepção; Autoavaliação; Estudos transversais; Mineração de dados

Introduction

The personal assessment of living and becoming ill is characterized by the interpretation that an individual performs on his/her own health11 Fonseca MGUP, Firmo JOA, Loyola Filho AI, Uchôa E. Papel da autonomia na auto-avaliação da saúde do idoso. Rev Saúde Pública 2010; 44(1):159-165.,22 Freitas DHM, Campos FCA, Linhares LQ, Santos CR, Ferreira CB, Diniz BS, Tavares A. Autopercepção de saúde e desempenho cognitivo em idosos residentes na comunidade. Rev Psiq Clin 2010; 37(1):32-35.. Several factors have been pointed out in the literature as capable of influencing this self-assessment: personal characteristics, especially the access to information33 Thompson AG. The meaning of patient involvement and participation in health care consultations: a taxonomy. Soc Sci Med 2007;64(6):1297-1310., demographic aspects44 Agostinho MCMG, Campos ML, Silveira JLGC. Edentulismo, uso de prótese e autopercepção de saúde bucal entre idosos. Rev Odontol UNESP 2015;44(2):74-79.

5 Carvalho C, Manso AC, Escoval A, Salvado F, Nunes C. Autopercepção da saúde bucal em idosos de uma população urbana em Lisboa, Portugal. Rev Saúde Pública 2016;50:53.

6 Gabardo MCL, Moysés ST, Moysés SJ. Autopercepção de saúde bucal conforme o Perfil de Impacto da Saúde Bucal (OHIP) e fatores associados: revisão sistemática. Rev Panam Salud Publica 2013;33(6):439-445.

7 Johnstone MJ, Kanitsaki O. Engaging patients as safety partners: some considerations for ensuring a culturally and linguistically appropriate approach. Health Policy 2009;90(1):1-7.

8 Luchi CA, Peres KG, Bastos JL, Peres MA. Desigualdades na autoavaliação da saúde bucal em adultos. Rev Saúde Pública 2013;47(4):740-751.

9 Martins AMEBL, Barreto SM, Pordeus IA. Objective and subjective factors related to self-rated oral health among the elderly. Cad Saúde Pública 2009;25(12):421-435.

10 Sanders AE, Spencer AJ. Social inequality in perceived oral health among adults in Australia. Aust N Z J Public Health 2004;28(2):159-167.

11 Silva DD, Held RB, Torres SVS, Sousa MLR, Neri AL, Antunes JLF. Autopercepção da saúde bucal em idosos e fatores associados em Campinas, SP, 2008-2009. Rev Saúde Pública 2011;45(6):1145-1153.
-1212 Silva DD, Souza MLR, Wada RS. Saúde bucal em adultos e idosos na cidade de Rio Claro, São Paulo, Brasil. Cad Saúde Pública 2004;20(2):626-631., level of acculturation44 Agostinho MCMG, Campos ML, Silveira JLGC. Edentulismo, uso de prótese e autopercepção de saúde bucal entre idosos. Rev Odontol UNESP 2015;44(2):74-79.,66 Gabardo MCL, Moysés ST, Moysés SJ. Autopercepção de saúde bucal conforme o Perfil de Impacto da Saúde Bucal (OHIP) e fatores associados: revisão sistemática. Rev Panam Salud Publica 2013;33(6):439-445., beliefs, values, health practices33 Thompson AG. The meaning of patient involvement and participation in health care consultations: a taxonomy. Soc Sci Med 2007;64(6):1297-1310.,66 Gabardo MCL, Moysés ST, Moysés SJ. Autopercepção de saúde bucal conforme o Perfil de Impacto da Saúde Bucal (OHIP) e fatores associados: revisão sistemática. Rev Panam Salud Publica 2013;33(6):439-445.,1313 Silva SRC, Castellano Fernandes RA. Autopercepção das condições de saúde bucal por idosos. Rev Saude Publica 2001; 35(4):349-355., physical and cognitive ability, and emotional relationships1414 Desalvo KB, Muntner P. Discordance between physician and patient self-rated health and all-cause mortality. Ochsner J 2011; 11(3):232-240.,1515 Larsson IE, Sahlsten MJ, Sjostrom B, Lindencrona CS, Plos KA. Patient participation in nursing care from a patient perspective: a Grounded Theory study. Scand J Caring Sci 2007; 21(3):313-320..

Due to the subjective nature of the object, classical epidemiological studies are not able to apprehend the elements that are related to the evaluation of the health status of the individuals, since they are mainly devoted to aspects of human biology, clinical, and laboratorial methods. Although biologically based information is essential for the quantification of the population health conditions, since they subsidize the planning, organization, and monitoring of health services, personal measures are increasingly recommended by the World Health Organization1616 Bruin A, Picavest HSJ, Nossikov A, editors. Health interview surveys: toward international harmonization of methods and instruments. Copenhagen: WHO; 1996.. Authors affirm that through these measures the individual conscience on health status is reflected1717 Jylha M. What is self-rated health and why does it predict mortality? Towards a unified conceptual model. Soc Sci Med 2009; 69(3):307-316., constituting also an important contribution to the orientation of political and social decisions that have as a goal the quality of life33 Thompson AG. The meaning of patient involvement and participation in health care consultations: a taxonomy. Soc Sci Med 2007;64(6):1297-1310.,66 Gabardo MCL, Moysés ST, Moysés SJ. Autopercepção de saúde bucal conforme o Perfil de Impacto da Saúde Bucal (OHIP) e fatores associados: revisão sistemática. Rev Panam Salud Publica 2013;33(6):439-445. and to increase the search, adherence, and motivation of individuals for treatment and self-care44 Agostinho MCMG, Campos ML, Silveira JLGC. Edentulismo, uso de prótese e autopercepção de saúde bucal entre idosos. Rev Odontol UNESP 2015;44(2):74-79..

In the oral health field in Brazil, despite the importance of assessing patients’ self-perception on broad and effective bases, most studies have focused on isolated conditions such as clinical (use of dental prosthesis, cavities, and periodontal disease), socioeconomic (income and level of education), socio-demographic (gender, age, and ethnicity), and behavioral factors (consumption of tobacco, alcohol, and other drugs), as well as specific habits of oral hygiene33 Thompson AG. The meaning of patient involvement and participation in health care consultations: a taxonomy. Soc Sci Med 2007;64(6):1297-1310.

4 Agostinho MCMG, Campos ML, Silveira JLGC. Edentulismo, uso de prótese e autopercepção de saúde bucal entre idosos. Rev Odontol UNESP 2015;44(2):74-79.

5 Carvalho C, Manso AC, Escoval A, Salvado F, Nunes C. Autopercepção da saúde bucal em idosos de uma população urbana em Lisboa, Portugal. Rev Saúde Pública 2016;50:53.

6 Gabardo MCL, Moysés ST, Moysés SJ. Autopercepção de saúde bucal conforme o Perfil de Impacto da Saúde Bucal (OHIP) e fatores associados: revisão sistemática. Rev Panam Salud Publica 2013;33(6):439-445.

7 Johnstone MJ, Kanitsaki O. Engaging patients as safety partners: some considerations for ensuring a culturally and linguistically appropriate approach. Health Policy 2009;90(1):1-7.

8 Luchi CA, Peres KG, Bastos JL, Peres MA. Desigualdades na autoavaliação da saúde bucal em adultos. Rev Saúde Pública 2013;47(4):740-751.

9 Martins AMEBL, Barreto SM, Pordeus IA. Objective and subjective factors related to self-rated oral health among the elderly. Cad Saúde Pública 2009;25(12):421-435.

10 Sanders AE, Spencer AJ. Social inequality in perceived oral health among adults in Australia. Aust N Z J Public Health 2004;28(2):159-167.

11 Silva DD, Held RB, Torres SVS, Sousa MLR, Neri AL, Antunes JLF. Autopercepção da saúde bucal em idosos e fatores associados em Campinas, SP, 2008-2009. Rev Saúde Pública 2011;45(6):1145-1153.
-1212 Silva DD, Souza MLR, Wada RS. Saúde bucal em adultos e idosos na cidade de Rio Claro, São Paulo, Brasil. Cad Saúde Pública 2004;20(2):626-631.,1818 Martins AMEBL, Barreto SM, Pordeus IA. Objective and subjective factors related to self-rated oral health among the elderly. Cad Saúde Pública 2009; 25(2):421-435..

The empirical evaluation of self-perception of oral health should incorporate as many critical, social, and biological indicators as possible, aiming at the formation of a synthesis measure, influenced in a micro and macro dimensional way, with repercussions on people’s quality of life66 Gabardo MCL, Moysés ST, Moysés SJ. Autopercepção de saúde bucal conforme o Perfil de Impacto da Saúde Bucal (OHIP) e fatores associados: revisão sistemática. Rev Panam Salud Publica 2013;33(6):439-445..

Few studies on the self-perception of oral health consider representative samples of the entire country1111 Silva DD, Held RB, Torres SVS, Sousa MLR, Neri AL, Antunes JLF. Autopercepção da saúde bucal em idosos e fatores associados em Campinas, SP, 2008-2009. Rev Saúde Pública 2011;45(6):1145-1153., and this fact precludes the access of formulators and implementers of public policies to a true and near panorama of the evaluation of the health conditions of individuals and collectivities.

Thus, the objective of the present study was to perform a more comprehensive analysis of the factors that determine self-perception of oral health of Brazilians, based on a multidimensional methodological basis.

It is believed that the results of this study will contribute to the effectiveness of evaluation and planning of public oral health actions, making it possible to resize and qualify them.

Methods

This is a cross-sectional quantitative study with data from the population-based survey – National Health Survey (NHS), proposed by the Ministry of Health and conducted in 2013 by the Brazilian Institute of Geography and Statistics (IBGE)1919 Szwarcwald CL, Malta DC, Pereira CA, Vieira MLFP, Conde WL, Souza Júnior PRB, Damacena GN, Azevedo LO, Silva GA, Theme Filha MM, Lopes CS, Romero DE, Almeida WS, Monteiro CA. Pesquisa Nacional de Saúde no Brasil: concepção e metodologia de aplicação. Cien Saude Colet 2014; 19(2):333-342..

The National Health Survey

The research is in a household level and the sampling plan used was based on a cluster sampling in three stages, with the sectors or groups of census tracts being the primary sampling units, the households the secondary, and the selected elderly inhabitants, the tertiary units1919 Szwarcwald CL, Malta DC, Pereira CA, Vieira MLFP, Conde WL, Souza Júnior PRB, Damacena GN, Azevedo LO, Silva GA, Theme Filha MM, Lopes CS, Romero DE, Almeida WS, Monteiro CA. Pesquisa Nacional de Saúde no Brasil: concepção e metodologia de aplicação. Cien Saude Colet 2014; 19(2):333-342..

The sample size was defined considering the level of precision desired for the estimates of some indicators of interest, resulting in a sample of 60,202 adults interviewed1919 Szwarcwald CL, Malta DC, Pereira CA, Vieira MLFP, Conde WL, Souza Júnior PRB, Damacena GN, Azevedo LO, Silva GA, Theme Filha MM, Lopes CS, Romero DE, Almeida WS, Monteiro CA. Pesquisa Nacional de Saúde no Brasil: concepção e metodologia de aplicação. Cien Saude Colet 2014; 19(2):333-342.. Details on the sampling and weighting process are available in the PNS report1919 Szwarcwald CL, Malta DC, Pereira CA, Vieira MLFP, Conde WL, Souza Júnior PRB, Damacena GN, Azevedo LO, Silva GA, Theme Filha MM, Lopes CS, Romero DE, Almeida WS, Monteiro CA. Pesquisa Nacional de Saúde no Brasil: concepção e metodologia de aplicação. Cien Saude Colet 2014; 19(2):333-342..

Previously calibrated researchers collected the data. The information was obtained through individual interviews and stored on handheld computers. Only individuals older than 18 years old participated in the research. The interview was directed by three forms: the domicile, referring to the characteristics of the house; the residents of the house; and the individual, answered by a drawn resident of the house1919 Szwarcwald CL, Malta DC, Pereira CA, Vieira MLFP, Conde WL, Souza Júnior PRB, Damacena GN, Azevedo LO, Silva GA, Theme Filha MM, Lopes CS, Romero DE, Almeida WS, Monteiro CA. Pesquisa Nacional de Saúde no Brasil: concepção e metodologia de aplicação. Cien Saude Colet 2014; 19(2):333-342.. For the present study it was considered exclusively the data of the drawn resident from the last two forms.

The survey was approved by the National Commission for the Protection of Human Subjects of the Ministry of Health. The data used are in the public domain from the National Health Survey. Being the data available without link: http://www.pns.icict.fiocruz.br/index.php? pa=resultados.

Treatment and data analysis

The outcome variable “self-perception of oral health” is the result of the question: In general, how do you evaluate your oral health (teeth and gums)? Possible answers were: very good, good, regular, poor and very poor. For the purpose of analysis in the present study, the responses were grouped into positive (very good and good) and negative (regular, poor and very poor).

In the exploration phase of the data, 47 variables of interest were cataloged in order to compose the independent variables, related to: sociodemographic characteristics (eight variables); oral self-care (five variables); oral health condition (five variables); use of dental services (five variables); general health condition (eighteen variables); job characteristics (six variables).

In order to verify the existence of one or more chronic diseases, regardless of the disease installed, a new variable grouping all the diseases listed above was created, entitled “presence of one or more chronic diseases.”

The variable ‘number of natural teeth present in the mouth’ was also developed. For that, it was subtracted the number of upper and lower teeth lost from all natural teeth (n = 32). Subsequently, the variable was categorized, according to a previous study, into more than 10 natural teeth present and 10 natural teeth present or less88 Luchi CA, Peres KG, Bastos JL, Peres MA. Desigualdades na autoavaliação da saúde bucal em adultos. Rev Saúde Pública 2013;47(4):740-751..

After the complete database treatment, dimensionality reduction was performed using the Correlation-based Feature Selection (CFS) algorithm using the 10-fold cross validation technique. This data mining test is recommended to be used in a large set of data and variables as proposed in the present study. It evaluated, according to response patterns, the entire data set and the 47 variables at a single time to look for variables highly related to the outcome variable and not related to each other. In this way, it does not only consider the utility of variables individually, but also the correlation level between them, thereby eliminating any and all confounding relationships. The variables with nonexistent or weak and/or redundant relations, which do not bring information gain to the model, are all eliminated by the algorithm, without needing any researcher’s influence.

Thus, it is possible to validate the pure and strict relations of the independent variables to the outcome variable with much more precision than other tests commonly used in the literature.

After, the variables related to ‘Self-perception of oral health’ were evaluated through logistic regression to measure the magnitude of the associations. The model had an explanatory capacity of 73%. All analyzes were performed using the software WEKA (Waikato Environment for Knowledge Analysis) environment.

The WEKA software does not report the individual confidence intervals and p values for each OR; it considers the default values of 95% confidence interval and p value < 0.05. In this type of analysis, the possibility of influencing the confidence interval due to the sample size is eliminated in the steps preceding the regression analysis.

Results

The descriptive analysis shows that about 34% of the individuals interviewed evaluated their oral health negatively (Table 1). In the results of the attribute selection analysis, it was verified that the variables most strongly related to self-perception of oral health were: difficulty feeding, upper dental loss, self-perception of the general health condition, evaluation of the last dental appointment, reason for last dental appointment and flossing. No variables related to sociodemographic and job characteristics were related to self-perception of health.

Table 1
Descriptive analysis of the independent variables that do not presented a relation with the self-perception of oral health. Brazil, 2013 (n = 60202).

Table 1 shows the distribution of adults, considering the variables used in the study that did not present a strong relation with the dependent variable. Table 2 also describes the sample according to the independent variables that presented a relation with the self-perception of oral health. Table 3 shows the reasons for the chance of reporting negative oral health status according to independent variables.

Table 2
Descriptive analysis of the independent variables that presented a relation with the self-perception of oral health. Brazil, 2013 (n = 60202).
Table 3
Reasons for self-perceived negative oral health according to the independent variables.

The variable that most influenced the evaluation of oral health was the difficulty in feeding, where individuals who reported difficulty (11%) presented 5.81 more chance of having a poor perception of health in detriment to those without difficulty. The upper tooth loss was also linked to self-perception of health. The partial loss of upper teeth increases the probability of having a negative perception of oral health in 1.49, while the total loss of teeth was shown to be a protective factor (OR = 0.86).

Individuals who negatively evaluated their overall health (49%), presented 1.91 more chance of evaluating their oral health as bad. Regarding to the use of dental services, the search for dental consultations for reasons other than prevention (treatment or others) and negative evaluation of care increases the chances of the individual to have a negative perception of oral health.

Still, most of the individuals reported using dental floss, this condition linked to a good perceived oral health condition, with those who did not use it, 1.88 more likely to present negative oral health perception.

Discussion

The variables most strongly related to the self-perception of oral health found in the study were: difficulty feeding, upper dental loss, self-perception of the general health condition, evaluation of the last dental appointment, reason for last dental appointment and flossing. Thus, it can be inferred that subjective conditions, which evaluate human experiences and health, are much more capable of explaining the variability of self-perception of oral health than objective measures, which mostly measure the context of the presence of diseases1111 Silva DD, Held RB, Torres SVS, Sousa MLR, Neri AL, Antunes JLF. Autopercepção da saúde bucal em idosos e fatores associados em Campinas, SP, 2008-2009. Rev Saúde Pública 2011;45(6):1145-1153.,2020 Andrade FB, Lebrão ML, Santos JLF, Duarte YAO, Teixeira DCT. Factors related to poor self-perceived oral health among community-dwelling elderly individuals in São Paulo, Brazil. Cad Saúde Pública 2012; 28(10):1965-1975.,2121 Martins AMEBL, Barreto SM, Silveira MF, Santa-Rosa TTA, Pereira RD. Self-perceived oral health among Brazilian elderly individuals. Rev Saúde Pública 2010; 44(5):912-922..

According to studies55 Carvalho C, Manso AC, Escoval A, Salvado F, Nunes C. Autopercepção da saúde bucal em idosos de uma população urbana em Lisboa, Portugal. Rev Saúde Pública 2016;50:53.,88 Luchi CA, Peres KG, Bastos JL, Peres MA. Desigualdades na autoavaliação da saúde bucal em adultos. Rev Saúde Pública 2013;47(4):740-751.,2020 Andrade FB, Lebrão ML, Santos JLF, Duarte YAO, Teixeira DCT. Factors related to poor self-perceived oral health among community-dwelling elderly individuals in São Paulo, Brazil. Cad Saúde Pública 2012; 28(10):1965-1975.,2222 Nico LS, Andrade SSCA, Malta DC, Pucca Júnior GA, Peres MA. Self-reported oral health in the Brazilian adult population: results of the 2013 National Health Survey. Cien Saude Colet 2016; 21(2):389-398.,2323 Cascaes AM, Peres KG, Peres MA. Periodontal disease is associated with poor self-rated oral health among Brazilian adults. J Clin Periodontol 2009; 36(1):25-33., individuals who report more dysfunctions, symptoms, and oral incapacities evaluate their oral health in a more negative way, in line with the findings of the present study, which demonstrate that difficulty feeding increases by 5.8 times the chance of the individual exhibiting a negative self-perception of oral health. These results may reflect the relation between masticatory limitation and the worsening of the psychosocial conditions by the embarrassment to feed in front of other people, or on physical or functional conditions, especially as the nuisance when swallowing food55 Carvalho C, Manso AC, Escoval A, Salvado F, Nunes C. Autopercepção da saúde bucal em idosos de uma população urbana em Lisboa, Portugal. Rev Saúde Pública 2016;50:53..

The literature shows that the number of teeth present in the mouth is an important determinant of a positive perception of oral health rather than edentulism44 Agostinho MCMG, Campos ML, Silveira JLGC. Edentulismo, uso de prótese e autopercepção de saúde bucal entre idosos. Rev Odontol UNESP 2015;44(2):74-79.,55 Carvalho C, Manso AC, Escoval A, Salvado F, Nunes C. Autopercepção da saúde bucal em idosos de uma população urbana em Lisboa, Portugal. Rev Saúde Pública 2016;50:53.,88 Luchi CA, Peres KG, Bastos JL, Peres MA. Desigualdades na autoavaliação da saúde bucal em adultos. Rev Saúde Pública 2013;47(4):740-751.,1111 Silva DD, Held RB, Torres SVS, Sousa MLR, Neri AL, Antunes JLF. Autopercepção da saúde bucal em idosos e fatores associados em Campinas, SP, 2008-2009. Rev Saúde Pública 2011;45(6):1145-1153.,2222 Nico LS, Andrade SSCA, Malta DC, Pucca Júnior GA, Peres MA. Self-reported oral health in the Brazilian adult population: results of the 2013 National Health Survey. Cien Saude Colet 2016; 21(2):389-398.. However, in the present study, the loss of some upper teeth seems to impact more negatively on self-perception of oral health than the total loss of the lower teeth. In addition, upper edentulism was shown to be a protective factor for positive perception of oral health (OR = 0.89). In spite of the apparent incoherence of these results, the individuals seem to evaluate their oral health more positively when they do not present any tooth, than with the maintenance of few teeth in precarious conditions, in an insufficient number, and without access to prosthesis to ensure an effective and comfortable chewing2020 Andrade FB, Lebrão ML, Santos JLF, Duarte YAO, Teixeira DCT. Factors related to poor self-perceived oral health among community-dwelling elderly individuals in São Paulo, Brazil. Cad Saúde Pública 2012; 28(10):1965-1975.,2121 Martins AMEBL, Barreto SM, Silveira MF, Santa-Rosa TTA, Pereira RD. Self-perceived oral health among Brazilian elderly individuals. Rev Saúde Pública 2010; 44(5):912-922.. Total edentulous patients were found also to be more prone to receive a low-complexity rehabilitative treatment with the use of total dentures, which can be collected by public health services compared to partial edentulous patients, whose dental treatment options are, for the most part, more complex and of difficult access2424 Martins AB, Dalberto CS, Hugo FN. Associação entre a presença de restos radiculares e a autopercepção de saúde bucal em idosos. Cien Saude Colet 2015; 20(12):3669-3679.. These factors may induce partial edentulous patients to present greater functional and aesthetic impairments2424 Martins AB, Dalberto CS, Hugo FN. Associação entre a presença de restos radiculares e a autopercepção de saúde bucal em idosos. Cien Saude Colet 2015; 20(12):3669-3679. and consequently, greater dissatisfaction with oral health.

On the other hand, the relationship between self-perception of general and oral health is in agreement with the findings of the current research1111 Silva DD, Held RB, Torres SVS, Sousa MLR, Neri AL, Antunes JLF. Autopercepção da saúde bucal em idosos e fatores associados em Campinas, SP, 2008-2009. Rev Saúde Pública 2011;45(6):1145-1153.,2020 Andrade FB, Lebrão ML, Santos JLF, Duarte YAO, Teixeira DCT. Factors related to poor self-perceived oral health among community-dwelling elderly individuals in São Paulo, Brazil. Cad Saúde Pública 2012; 28(10):1965-1975.. In the present study, the prevalence of negative perceptions among individuals suffering from general health problems and biological frailty was higher66 Gabardo MCL, Moysés ST, Moysés SJ. Autopercepção de saúde bucal conforme o Perfil de Impacto da Saúde Bucal (OHIP) e fatores associados: revisão sistemática. Rev Panam Salud Publica 2013;33(6):439-445.,1111 Silva DD, Held RB, Torres SVS, Sousa MLR, Neri AL, Antunes JLF. Autopercepção da saúde bucal em idosos e fatores associados em Campinas, SP, 2008-2009. Rev Saúde Pública 2011;45(6):1145-1153.,2020 Andrade FB, Lebrão ML, Santos JLF, Duarte YAO, Teixeira DCT. Factors related to poor self-perceived oral health among community-dwelling elderly individuals in São Paulo, Brazil. Cad Saúde Pública 2012; 28(10):1965-1975.. Silva et al.1111 Silva DD, Held RB, Torres SVS, Sousa MLR, Neri AL, Antunes JLF. Autopercepção da saúde bucal em idosos e fatores associados em Campinas, SP, 2008-2009. Rev Saúde Pública 2011;45(6):1145-1153. consider this to be a complex and multifaceted relationship, since some unfavorable general health conditions may act as predisposing factors for oral health impairment, as well as deficient oral conditions may generate general health problems1111 Silva DD, Held RB, Torres SVS, Sousa MLR, Neri AL, Antunes JLF. Autopercepção da saúde bucal em idosos e fatores associados em Campinas, SP, 2008-2009. Rev Saúde Pública 2011;45(6):1145-1153.,2525 Araújo PC, Garbin CAS, Moimaz SAS, Saliba NA, Arcieri RM. Perception and Attitude About Systemic Health and Periodontal Disease Among Dentistry Undergraduates. Oral Health Prev Dent 2013; 11(4):383-388.. This result confirms the importance of studying co-morbidities and common risk factors66 Gabardo MCL, Moysés ST, Moysés SJ. Autopercepção de saúde bucal conforme o Perfil de Impacto da Saúde Bucal (OHIP) e fatores associados: revisão sistemática. Rev Panam Salud Publica 2013;33(6):439-445.,2626 Saliba NA, Moimaz SAS, Marques JAM, Prado RL. Elderly caregivers profile and oral health perception. Interface (Botucatu) 2007; 11(21):39-50.. In this sense, it is important to focus in the relationship between self-perception of oral health and general health condition in order to draw up effective preventive strategies1111 Silva DD, Held RB, Torres SVS, Sousa MLR, Neri AL, Antunes JLF. Autopercepção da saúde bucal em idosos e fatores associados em Campinas, SP, 2008-2009. Rev Saúde Pública 2011;45(6):1145-1153..

However, it should be noted that the presence of some chronic disease or a group of them, as a variable of interest, was not able to explain the self-perception of oral health, but only the general context of health. This finding indicates that general health situations transcends chronic conditions and reinforces that the complexity in the framework of health perceptions is much more involved with subjective issues than with objective clinical demands.

The reason and the evaluation of the last dental appointment were the only variables of the group of “use of dental services” that were related to the dependent variable. Visiting the dentist for check-up or prevention and positively evaluate appointment were self-referred factors of oral health protection. It is suggested that the explanation for this finding lies in the fact that routine visits to the dentist88 Luchi CA, Peres KG, Bastos JL, Peres MA. Desigualdades na autoavaliação da saúde bucal em adultos. Rev Saúde Pública 2013;47(4):740-751.,2020 Andrade FB, Lebrão ML, Santos JLF, Duarte YAO, Teixeira DCT. Factors related to poor self-perceived oral health among community-dwelling elderly individuals in São Paulo, Brazil. Cad Saúde Pública 2012; 28(10):1965-1975. and good dental service2727 Bordin D, Fadel CB, Moimaz SAS, Garbin CAS, Saliba NA. Comparative study of satisfaction of users and health professionals with the public dental service. Cien Saude Colet 2017; 22(1):151-160.,2828 Moimaz SAS, Lima AMC, Garbin CAS, Corrente JE, Saliba, NA. Avaliação do usuário sobre o atendimento odontológico no Sistema Único de Saúde: uma abordagem à luz da humanização. Cien Saude Colet 2016; 21(12):3879-3887. can minimize dental loss and improve oral condition, as well as empower patients with healthy living habits and the health-disease process, making them more confident about their status of oral health.

A similar condition can be observed regarding flossing. Individuals who floss regularly have a better self-perception of oral health66 Gabardo MCL, Moysés ST, Moysés SJ. Autopercepção de saúde bucal conforme o Perfil de Impacto da Saúde Bucal (OHIP) e fatores associados: revisão sistemática. Rev Panam Salud Publica 2013;33(6):439-445.. The study emphasizes that the lack of knowledge and motivation to adopt preventive and care practices aggravates the oral health condition and compromises the self-perception of oral health44 Agostinho MCMG, Campos ML, Silveira JLGC. Edentulismo, uso de prótese e autopercepção de saúde bucal entre idosos. Rev Odontol UNESP 2015;44(2):74-79..

Moreover, it should be noted that the literature is rather vast and inconclusive in relation to factors that truly affect self-perception of oral health33 Thompson AG. The meaning of patient involvement and participation in health care consultations: a taxonomy. Soc Sci Med 2007;64(6):1297-1310.

4 Agostinho MCMG, Campos ML, Silveira JLGC. Edentulismo, uso de prótese e autopercepção de saúde bucal entre idosos. Rev Odontol UNESP 2015;44(2):74-79.

5 Carvalho C, Manso AC, Escoval A, Salvado F, Nunes C. Autopercepção da saúde bucal em idosos de uma população urbana em Lisboa, Portugal. Rev Saúde Pública 2016;50:53.
-66 Gabardo MCL, Moysés ST, Moysés SJ. Autopercepção de saúde bucal conforme o Perfil de Impacto da Saúde Bucal (OHIP) e fatores associados: revisão sistemática. Rev Panam Salud Publica 2013;33(6):439-445.,88 Luchi CA, Peres KG, Bastos JL, Peres MA. Desigualdades na autoavaliação da saúde bucal em adultos. Rev Saúde Pública 2013;47(4):740-751.,1010 Sanders AE, Spencer AJ. Social inequality in perceived oral health among adults in Australia. Aust N Z J Public Health 2004;28(2):159-167.

11 Silva DD, Held RB, Torres SVS, Sousa MLR, Neri AL, Antunes JLF. Autopercepção da saúde bucal em idosos e fatores associados em Campinas, SP, 2008-2009. Rev Saúde Pública 2011;45(6):1145-1153.

12 Silva DD, Souza MLR, Wada RS. Saúde bucal em adultos e idosos na cidade de Rio Claro, São Paulo, Brasil. Cad Saúde Pública 2004;20(2):626-631.
-1313 Silva SRC, Castellano Fernandes RA. Autopercepção das condições de saúde bucal por idosos. Rev Saude Publica 2001; 35(4):349-355.,1818 Martins AMEBL, Barreto SM, Pordeus IA. Objective and subjective factors related to self-rated oral health among the elderly. Cad Saúde Pública 2009; 25(2):421-435.

19 Szwarcwald CL, Malta DC, Pereira CA, Vieira MLFP, Conde WL, Souza Júnior PRB, Damacena GN, Azevedo LO, Silva GA, Theme Filha MM, Lopes CS, Romero DE, Almeida WS, Monteiro CA. Pesquisa Nacional de Saúde no Brasil: concepção e metodologia de aplicação. Cien Saude Colet 2014; 19(2):333-342.

20 Andrade FB, Lebrão ML, Santos JLF, Duarte YAO, Teixeira DCT. Factors related to poor self-perceived oral health among community-dwelling elderly individuals in São Paulo, Brazil. Cad Saúde Pública 2012; 28(10):1965-1975.

21 Martins AMEBL, Barreto SM, Silveira MF, Santa-Rosa TTA, Pereira RD. Self-perceived oral health among Brazilian elderly individuals. Rev Saúde Pública 2010; 44(5):912-922.

22 Nico LS, Andrade SSCA, Malta DC, Pucca Júnior GA, Peres MA. Self-reported oral health in the Brazilian adult population: results of the 2013 National Health Survey. Cien Saude Colet 2016; 21(2):389-398.
-2323 Cascaes AM, Peres KG, Peres MA. Periodontal disease is associated with poor self-rated oral health among Brazilian adults. J Clin Periodontol 2009; 36(1):25-33.. The only pattern that emerges from these studies is that most of the factors associated to sociodemographic, work characterize, lifestyle, health, and use of dental services by the individuals are related to the self-perception of oral health, however they do not contribute to the understanding of its variability. Given the diversity and the low power of association of the methods used to cross the factors of interest, the information obtained becomes little advantageous for the assertive decision making.

Through the feature selection test applied in the present study, it became possible to consider the pluralism of the social and health segments involved in the large database of the National Health Survey and to eliminate possible confounding or redundant factors, unraveling the variables that are truly important for the conformation of the self-perception of oral health. This condition becomes crucial for contributions that aim to increase the knowledge about self-perception of oral health in the Brazilian adult population, which can help supporting decision-making processes and redirection of oral health practices and resources.

Limitations of the study

As a limitation of the study, we highlight the subjectivity imbricated in the evaluation of self-perception of oral health, since it is susceptible to changes throughout life, day, week as a result of contextual conditions, psychological state experienced by the individual, as well as involving values and feelings not always expressed2929 Moura C, Gusmão ES, Santillo PMH, Soares RSC, Coelho RS, Cimões R. Autoavaliação da saúde bucal e fatores associados entre adultos em áreas de assentamento rural, Estado de Pernambuco, Brasil. Cad Saude Publica 2014; 30(3):611-622.. However, the subjectivity does not disqualify the relevance to guide policy and to plan decisions in health33 Thompson AG. The meaning of patient involvement and participation in health care consultations: a taxonomy. Soc Sci Med 2007;64(6):1297-1310.,66 Gabardo MCL, Moysés ST, Moysés SJ. Autopercepção de saúde bucal conforme o Perfil de Impacto da Saúde Bucal (OHIP) e fatores associados: revisão sistemática. Rev Panam Salud Publica 2013;33(6):439-445..

In addition, because this is a cross-sectional study, it was not possible to establish a temporal relationship between the associations found.

Conclusion

The use of a multidimensional methodological basis was able to (re)design explanatory models for the self-perception of oral health of Brazilian adults and its results should be considered in the implementation, evaluation, and qualification of the national oral health network.

It is noteworthy that the determinants of the self-perception of oral health of Brazilians were difficulty feeding, use of dental floss, upper dental loss, self-perception of the general health condition, and reason and evaluation last dental appointment; and that factors related to sociodemographic and work characteristics, lifestyle, and presence of chronic diseases contributed little to the understanding of the variability of the self-perception of oral health of the adult population.

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Publication Dates

  • Publication in this collection
    28 Aug 2020
  • Date of issue
    Sept 2020

History

  • Received
    12 May 2018
  • Accepted
    18 Feb 2019
  • Published
    20 Feb 2019
ABRASCO - Associação Brasileira de Saúde Coletiva Rio de Janeiro - RJ - Brazil
E-mail: revscol@fiocruz.br