Prevalence of Enamel Defects in Permanent Teeth of Patients with Complete Cleft Lip and Palate

Abstract

Objective

To evaluate the prevalence, types, location, and characteristics of enamel defects in anterior permanent teeth of patients with complete unilateral and bilateral cleft lip and palate, as well as the relation with the cleft.

Setting

Hospital for Rehabilitation of Craniofacial Anomalies, Bauru, São Paulo, Brazil.

Participants

Eighty patients of both genders, 12 years and older, with unilateral or bilateral cleft lip and palate.

Methods

A single examiner carried out clinical examination under artificial light with a dental probe and mirror after drying teeth according to the modified DDE index.

Results

Seventy-four of 80 patients presented with at least one tooth affected by enamel defects: 165 of 325 evaluated teeth (50.8%) presented enamel defects, with hypoplasia being the most prevalent (50.7%), followed by diffuse opacity (23.1%) and demarcated opacity (18.4%). The most affected tooth was 21 (36.5%), followed by 11 (34%), located at the middle (40%) and incisal (33%) thirds. Most defects occur at the buccal surface (47.7%), followed by the distal (22.7%), the mesial (19%), and the palatal (10.6%) surfaces. A significant relationship was found between the cleft side and enamel defects.

Conclusion

Upper anterior teeth of patients with complete cleft lip and palate present a high prevalence of enamel defects; the highest percentage on the cleft side suggests that the cleft does influence the occurrence of enamel defects in permanent teeth.

Keywords

cleft lip and palate tooth abnormalities

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