Breakdown of Demarcated Opacities Related to Molar-incisor Hypomineralization: a Longitudinal Study

Overview

Journal Clin Oral Investig

Specialty Dentistry

Date 2018 May 5

PMID 29725848

Citations 18

Authors

Aline Borburema Neves

Gabriela Caldeira Andrade Americano

Daniella Varela Soares

Vera Mendes Soviero

Affiliations

Soon will be listed here.

Abstract

Objectives: This prospective longitudinal study aimed to evaluate if the occurrence of post-eruptive breakdown of demarcated opacities in hypomineralized teeth is influenced by the color or location of the opacity.

Materials And Methods: Patients diagnosed with molar-incisor hypomineralization (MIH) between 2012 and 2014 were eligible. Two calibrated examiners performed the initial and follow-up evaluations according to European Academy of Paediatric Dentistry (EAPD) criteria. Sixty-five patients were included. Fifty-eight (89.2%), with a mean age of 8.8 years (SD: 1.4), were reassessed after 1 year. Two hundred and nine of 1155 tooth surfaces were considered for the study: 86 with white opacity (OP-W), 91 with yellow opacity (OP-Y), and 32 with enamel breakdown (EB).

Results: From the OP-W, OP-Y, and EB, 14, 27.5, and 46.9% worsened to breakdown exposing dentin, atypical restoration, or extraction (DB + RA or EXT), respectively. Yellow opacities tended to be more prone to breakdown than white opacities. The occurrence of EB, DB + AR, or EXT was not influenced by the location (p = 0.25).

Conclusions: The color of the opacity seems to play an important role on the occurrence of fracture and should be considered as a potential predictor.

Clinical Relevance: Dentists should be aware that demarcated opacities related to MIH tend to fracture over time. Moreover, children with MIH should be seen at shorter intervals.

Citing Articles

Prevalence of molar incisor hypomineralization and demands for treatment according to the severity of its clinical manifestation.

Guerra B, Jorge R, Reis P, Machado G, Fidalgo T, Soviero V Clin Oral Investig. 2025; 29(1):82.

PMID: 39853544 DOI: 10.1007/s00784-024-06042-1.

Unilateral molar Incisor hypomineralization influences the chewing side? an observational study in children.

Cardoso-Silva L, Gomes B, de Faria Melo R, Catananti I, Lopes B, de Almeida I Clin Oral Investig. 2024; 28(12):634.

PMID: 39511031 DOI: 10.1007/s00784-024-06037-y.

Molar Incisor Hypomineralization: Optimizing Treatment Protocols for Hypersensitivity: A Randomized Clinical Trial.

Bardellini E, Amadori F, Rosselli L, Garo M, Majorana A, Conti G Dent J (Basel). 2024; 12(6).

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Traumatic dental injuries and molar incisor hypomineralization: a cross-sectional study of schoolchildren from southern Brazil.

da Silva Arduim A, Stefanello B, Bonzanini L, Lenzi T, Hilgert J, Hugo F Eur Arch Paediatr Dent. 2024; 25(4):569-575.

PMID: 38848027 DOI: 10.1007/s40368-024-00918-2.

Cost-effectiveness of restorative treatments for permanent molars with severe molar incisor hypomineralization: perspectives for the Brazilian public health system.

da Costa Rosa T, Cavalcanti Y, de Castro Costa M, Neves A Clin Oral Investig. 2024; 28(6):301.

PMID: 38710794 DOI: 10.1007/s00784-024-05652-z.

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