Determinants of anterior tooth loss in Chilean adults: data from the Chilean National Health Survey 2016-2017.

Rodrigo Berrios Vigneaux Juan Pablo Vargas Buratovic Florencia Moreno Beatriz Mellado Torres Cynthia Cantarutti Martinez Oslando Padilla Perez Paula Margozzini Maira Duniel R. Ortuño Borroto

Determinants of anterior tooth loss in Chilean adults: data from the Chilean National Health Survey 2016-2017.

Authors: Rodrigo Berrios Vigneaux Juan Pablo Vargas Buratovic Florencia Moreno Beatriz Mellado Torres Cynthia Cantarutti Martinez Oslando Padilla Perez Paula Margozzini Maira Duniel R. Ortuño Borroto
doi: 10.1922/CDH_00356Vigneaux05

Abstract

Objective: To describe prevalence of anterior tooth loss and its determinants among Chilean people aged over 15 years. Methods: Crosssectional study, using the sampling frame of the Chilean National Health Survey 2016-2017 (n=5473 participants). Multivariate logistic regressions were performed to obtain the prevalence and odds ratio (OR) for anterior tooth loss using a complex sampling method. We described anterior tooth loss affecting each jaw according to sex, age, educational level, urban/rural residence and having health insurance. Results: The odds of anterior tooth loss were 7.11 (95%CI: 4.57 – 10.78) and 4.84 (95%CI: 3.02 – 7.72) times higher for low-educated subjects compared to those with more educational, for the upper and lower jaw respectively. Also, the odds of anterior tooth loss for the upper jaw was 1.34 (CI 95%: 1.07 – 1.66) times higher in women, whereas for the lower jaw, no significant differences by sex were found (p-value 0.14). Adults having only the National Health Fund B insurance (FONASA B) had odds of losing one or more anterior teeth 2.43 (CI 95%: 1.34 – 4.39) times higher in the upper jaw and 2.08 (CI 95%: 1.03 - 4.20) in the lower jaw compared with those having Health Insurance Institutions (ISAPREs). Conclusion: Our study showed for the first time that anterior tooth loss is a widespread condition in Chile, with marked inequities by sex, age, educational level, and geographical area. People in the public health insurance system have a higher odds of anterior tooth loss. Keywords: Prevalence, Educational level, Chile, Anterior tooth loss, National Health Survey

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