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Incidence of Tooth Loss in Adults: A 4-Year Population-Based Prospective Cohort Study

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Author(s):
Silva-Junior, Manoelito Ferreira ; Batista, Marilia Jesus ; Rosario de Sousa, Maria da Luz
Total Authors: 3
Document type: Journal article
Source: INTERNATIONAL JOURNAL OF DENTISTRY; v. 2017, p. 7-pg., 2017-01-01.
Abstract

Objective. To verify the incidence of tooth loss in extended age group of adults in 4 years. Materials and Methods. The prospective cohort study assessed adults (20-64 years old) between 2011 and 2015, from Piracicaba, Sao Paulo, Brazil. The dependent variable was cumulative incidence of tooth loss, assessed by difference between missing teeth (M) of decayed, missing, and filled tooth index (DMFT) in 2011 and 2015. Participants were stratified into young (20-44 years old) and older (45-64 years old) adults. Mann-Whitney U test (p < 0.05) was used to compare the means of incidence of tooth loss between age groups. Results. After four years, 57.7% (n = 143) of adults were followed up and the mean incidence of tooth loss was 0.91 (SD = 1.65); among these, 51 adults (35.7%) who lost their teeth showed mean tooth loss of 2.55 (SD = 1.86). In older adults, incidence of tooth loss was higher (p = 0.008), but no difference between age groups was found when only adults with incidence of tooth loss were assessed (p = 0.844). Conclusion. There was higher incidence of tooth loss in older adults after four years, however, without difference between age groups when only those who lost teeth were evaluated. (AU)

FAPESP's process: 11/00545-1 - Tooth loss in adults: quality of life evaluation through of tooth loss index
Grantee:Maria da Luz Rosario de Sousa
Support Opportunities: Regular Research Grants
FAPESP's process: 09/16560-0 - Tooth Loss study in adults: impact on groups of different socio economic levels and use of dental services by applying index of tooth loss and associated factors."
Grantee:Marília Jesus Batista de Brito Mota
Support Opportunities: Scholarships in Brazil - Doctorate
FAPESP's process: 14/15184-2 - Tooth loss longitudinal study in adults and associated factors
Grantee:Manoelito Ferreira Silva Junior
Support Opportunities: Scholarships in Brazil - Master
FAPESP's process: 17/11771-9 - Incidence of tooth loss in adults: a 4-year population-based prospective cohort study
Grantee:Maria da Luz Rosario de Sousa
Support Opportunities: Regular Research Grants - Publications - Scientific article