Recommendation of tooth extraction and associated factors: cross-sectional study in the Kiriri indigenous population

Abstract

The scope of this cross-sectional study was to evaluate the prevalence and the associated factors of the recommendation of dental extraction in the adult Kiriri Indigenous population of northeastern Brazil. A total of 225 natives (≥19 years) were evaluated. The extraction criteria were teeth with clinical attachment loss ≥50% in at least 3 sites, and residual roots. Statistical models were used to evaluate associations between the need for dental extraction and selected variables. The percentage of teeth recommended for dental extraction was 4.98%, characterizing a mean of 1.24 tooth per individual. A regression analysis showed that age ≥35 years (OR=2.24, 95%CI: 1.13-4.43, p=0.02), income <R$ 570.00 (OR=3.34, 95%CI: 1.19-9.37, p=0.02) and plaque index ≥40% (OR=2.38, 95%CI: 1.24-4.56, p=0,01) were significantly associated with indication for dental extraction. A prevalence of 33% of subjects with dental extraction recommendation were associated with age older than 35 years, plaque index ≥40% and income less than a minimum wage were related with the recommendation for extraction. This study reflects the importance of prioritizing oral health prevention, as well as the need to expand complex dental services.

Key words:
Tooth extraction; Tooth loss; South American Indians; Periodontal diseases; Risk factors