Prevalence of non-carious cervical lesions in the primary dentition
DOI:
https://doi.org/10.35699/2178-1990.2021.25386Keywords:
Tooth wear, Tooth erosion, Tooth abrasion, Dentistry operativeAbstract
Aim: To determine the prevalence of non-carious cervical lesions in children in the primary dentition and possible associated etiological factors.
Method: After approval by the Ethics Committee - CEP / UESPI (3,289,732) – this cross-sectional study was carried out on 360 children, from 2 to 6 years of age, from public and private schools, divided into two groups: G1 (with cervical lesions) and G2 (without cervical lesions). A questionnaire was applied to the parents, followed by the children’s clinical examination. Lesions detected by touch and visually were considered. Evaluations of means and standard deviations were performed for quantitative variables. Percentages and frequencies were obtained, analyzing the association between qualitative variables based on the chi-square test and comparing the average age using the t test (p < 0.05).
Results: Only abfraction-type lesions were found in the sample (5%), and white individuals presented a higher prevalence in relation to the others (55.5%). There was a statistically significant difference (p < 0.001), and these lesions were found only in private schools. As for sex, in G1, there was a statistically significant difference (p = 0.01) with a higher prevalence in males (66.7%). The most affected teeth in decreasing order were the canines and upper central incisors, followed by the canines and lower central incisors.
Conclusion: The prevalence of non-carious cervical lesions of the abfraction type in children from 2 to 6 years of age was 5%, which was only found in private schools, with a predominance in males. An association was found between the abfraction and the type of brush used in toothbrushing, with a higher frequency of lesions when hard brushes were used and strong brushing was performed.
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