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Authors

Phạm Thanh Ha, Hanoi National Hospital of Odonto-Stomatology, Hanoi, Vietnam. Address: 40B Trang Thi Street, Hang Bong Ward, Hoan Kiem District, Hanoi 100000, VietnamFollow
Nguyễn Phương Huyen, Hanoi National Hospital of Odonto-Stomatology, Hanoi, Vietnam. Address: 40B Trang Thi Street, Hang Bong Ward, Hoan Kiem District, Hanoi 100000, VietnamFollow
Phạm Kim Thanh, Phuong Thanh Dental Center, Dong Thap, Vietnam. Address: 483 Hung Vuong Street, Ward 1, Sa Dec City, Dong Thap 81000, VietnamFollow
Lương Minh Hang, School of Dentistry, Hanoi Medical University, Hanoi, Vietnam. Address: 1 Ton That Tung Street, Kim Lien Ward, Dong Da District, Hanoi 100000, VietnamFollow
Trần Tuấn Anh, Becamex International Hospital, Binh Duong, Vietnam. Address: Go Cat Area, Lai Thieu Ward, Thuan An City, Binh Duong 82000, VietnamFollow
Võ Như Trương Ngoc, School of Dentistry, Hanoi Medical University, Hanoi, Vietnam. Address: 1 Ton That Tung Street, Kim Lien Ward, Dong Da District, Hanoi 100000, VietnamFollow
Lê Khả Anh, Division of Research and Treatment for Oral Maxillofacial Congenital Anomalies, Aichi Gakuin University, Japan. Address: 2-11 Suemori-dori, Chikusa-ku, Nagoya 464-8651, JapanFollow
Trần Anh Tuan, School of Dentistry, Hanoi Medical University, Hanoi, Vietnam. Address: 1 Ton That Tung Street, Kim Lien Ward, Dong Da District, Hanoi 100000, VietnamFollow
Tạ Thành Dong, School of Dentistry, Hanoi Medical University, Hanoi, Vietnam. Address: 1 Ton That Tung Street, Kim Lien Ward, Dong Da District, Hanoi 100000, VietnamFollow

Abstract

Classification and resin infiltration treatment of MIH-related permanent anterior teeth are increasingly receiving attention nowadays. Objective: The study aims to evaluate the characteristics of these teeth; and to assess factors regarding treatment. Methods: A cross-sectional study was conducted using transilluminated and reflected light photographs, and the lesion was classified according to its color, size, type, heterogeneity and surface integrity. The data were analyzed using a chi-square test and multivariate logistic regression analysis to evaluate enamel craze lines (ECL), post-eruptive breakdown (PEB), and treatment procedures. Results: 73 teeth from 46 patients were included, in which 53 teeth had been treated. Size I showed the highest rate of PEB (66.67%). Females (OR = 20.39 (95%CI: 1.62 – 256.18)) and colored lesions (OR = 13.01 (95%CI: 1.82 – 93.13)) were associated with ECL/PEB. Microabrasion and etching cycles were inversely proportional and PEB required 4.33 etching cycles on average. A significant relationship was observed between surface integrity and composite fillings, between yellow/brown spot transformation and lesion color, sex and homogeneity. Conclusion: Lesion color, size, and sex are significant factors influencing ECL and PEB, while sex, surface integrity, lesion color, and homogeneity affect the treatment. Dental practitioners should consider these factors to provide appropriate treatment planning and consultation.

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