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

Objective: To describe prevalence of anterior tooth loss and its determinants among Chilean people aged over 15 years.

Methods: Cross-sectional 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.