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International journal of odontostomatology

On-line version ISSN 0718-381X


SEGEUR-SEREY, Karin et al. Prevalence of Malocclusion and Dental Caries Among Aymara Children in Colchane, Chile. Int. J. Odontostomat. [online]. 2020, vol.14, n.2, pp.191-197. ISSN 0718-381X.

Describe the prevalence of malocclusions, dental caries and the need for orthodontic treatment according to the Index of Orthodontic Treatment Need (IOTN) among Aymara schoolchildren, Indian group has lived in the highlands of the Andes Mountains. 76 Aymara schoolchildren between 5 and 15 years old in Colchane, Chile, where a cross-sectional study was conducted. DMFT/dmft index, Dental component (DHC) of IOTN and demographics were determined. Frequencies and mean (SD) were calculated. Bivariate analyses were conducted using Fisher's exact to test the association between sex and stage of dentition (p<0.05). Stata version 14 was used for all analyses. Among the 76 participants, 47.4 % (N=36) were male. Participants were on average 9.96 years old (SD=2.5). Over half presented dental caries (61.8 %, n=47) and 36.8 % (N=28) had missing teeth due to caries. The DMFT index was 2.1 (SD=1.9). The most frequent biotype was brachyfacial 88.2 % (N=67). Malocclusion was observed in 81.6 % (N=62) of participants. Class I, was the most frequent (67 %, N=51) malocclusion in the different stages of dentition. The most prevalent treatment need was grade 4 and 5 “need treatment” of the IOTN, observed in 71 % (N=54) of the sample with significant differences according to the stage of dentition (p<0.05). In this study, a high prevalence of malocclusion and a high percentage of dental caries was observed in Aymara children.

Keywords : Aymara; malocclusion; caries; orthodontics; index of treatment need.

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