Clinico-radiologic features of molar-incisor malformation in a case series of 38 patients: A retrospective observational study.

Abstract:

:Molar-incisor malformation (MIM) is a recently defined dental abnormality of molar root and incisors, and introduced as one of the causes of periapical and periodontal abscess. The purpose of this study was to investigate the clinical and radiological features of MIM, with special emphasis on various medical history. A total of 38 patients with MIM were included in this study. Radiographic features and clinical data, including medical history, chief complaint, associated complications, treatment, and prognosis, were retrospectively investigated. On radiographs, the affected molars showed short, slender, underdeveloped roots and constricted pulp chambers. All affected incisors and canines exhibited dilacerated short roots, wedge-shaped defect on the cervical part of the crown. Complications included periodontal bone loss (52.6%), endodontic lesion (50.0%), and endodontic-periodontal lesion (28.9%). The medical histories of the patients with MIM indicate that almost all (94.7%) were hospitalized due to problems during the neonatal period. MIM may cause various dental problems, such as periapical and periodontal abscess and early loss of the affected teeth. The early diagnosis of MIM on radiographs and appropriate treatment will contribute to a favorable prognosis, especially for young and adolescent patients.

journal_name

Medicine (Baltimore)

journal_title

Medicine

authors

Kim JE,Hong JK,Yi WJ,Heo MS,Lee SS,Choi SC,Huh KH

doi

10.1097/MD.0000000000017356

subject

Has Abstract

pub_date

2019-10-01 00:00:00

pages

e17356

issue

40

eissn

0025-7974

issn

1536-5964

pii

00005792-201910040-00036

journal_volume

98

pub_type

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