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Molar incisor malformation

MedGen UID:
1780215
•Concept ID:
C5539810
•
Anatomical Abnormality
HPO: HP:0033783

Definition

Molar incisor malfomation (MIM) is composed of normal crown with marked cervical constriction, thin, narrow short roots which is a combination of signs that occurs in deciduous and permanent molars. [from HPO]

Term Hierarchy

CClinical test,  RResearch test,  OOMIM,  GGeneReviews,  VClinVar  
  • CROGVMolar incisor malformation

Professional guidelines

PubMed

Clinical Considerations for Dental Management of Children with Molar-Root Incisor Malformations.
Kim MJ, Song JS, Kim YJ, Kim JW, Jang KT, Hyun HK
J Clin Pediatr Dent 2020;44(1):55-59. doi: 10.17796/1053-4625-44.1.10. PMID: 31995414

Recent clinical studies

Etiology

Molar-incisor malformation: Eight new cases and a review of the literature.
Vargo RJ, Reddy R, Da Costa WB, Mugayar LRF, Islam MN, Potluri A
Int J Paediatr Dent 2020 Mar;30(2):216-224. Epub 2019 Nov 14 doi: 10.1111/ipd.12592. PMID: 31677309
Clinico-radiologic features of molar-incisor malformation in a case series of 38 patients: A retrospective observational study.
Kim JE, Hong JK, Yi WJ, Heo MS, Lee SS, Choi SC, Huh KH
Medicine (Baltimore) 2019 Oct;98(40):e17356. doi: 10.1097/MD.0000000000017356. PMID: 31577730Free PMC Article

Diagnosis

Guidance for Permanent First Molar Extraction in Molar-Incisor Malformation: Report of Two Cases.
Korte A, Angelopoulou MV, Yfanti K
J Dent Child (Chic) 2022 Jan 15;89(1):29-35. PMID: 35337397
Treatment of Molar Incisor Malformation and the short term follow-up: Case reports.
Park S, Byun S, Kim J, Yang B, Oh S
Eur J Paediatr Dent 2020 Sep;21(3):238-242. doi: 10.23804/ejpd.2020.21.03.15. PMID: 32893659
Molar-incisor malformation: Eight new cases and a review of the literature.
Vargo RJ, Reddy R, Da Costa WB, Mugayar LRF, Islam MN, Potluri A
Int J Paediatr Dent 2020 Mar;30(2):216-224. Epub 2019 Nov 14 doi: 10.1111/ipd.12592. PMID: 31677309
Clinico-radiologic features of molar-incisor malformation in a case series of 38 patients: A retrospective observational study.
Kim JE, Hong JK, Yi WJ, Heo MS, Lee SS, Choi SC, Huh KH
Medicine (Baltimore) 2019 Oct;98(40):e17356. doi: 10.1097/MD.0000000000017356. PMID: 31577730Free PMC Article
Molar incisor malformation in six cases: description and diagnostic protocol.
Brusevold IJ, Bie TMG, Baumgartner CS, Das R, Espelid I
Oral Surg Oral Med Oral Pathol Oral Radiol 2017 Jul;124(1):52-61. Epub 2017 Apr 4 doi: 10.1016/j.oooo.2017.03.050. PMID: 28522186

Prognosis

Treatment of Molar Incisor Malformation and the short term follow-up: Case reports.
Park S, Byun S, Kim J, Yang B, Oh S
Eur J Paediatr Dent 2020 Sep;21(3):238-242. doi: 10.23804/ejpd.2020.21.03.15. PMID: 32893659
Clinico-radiologic features of molar-incisor malformation in a case series of 38 patients: A retrospective observational study.
Kim JE, Hong JK, Yi WJ, Heo MS, Lee SS, Choi SC, Huh KH
Medicine (Baltimore) 2019 Oct;98(40):e17356. doi: 10.1097/MD.0000000000017356. PMID: 31577730Free PMC Article
Variable expressivity of TCTEX1D2 mutations and a possible pathogenic link of molar-incisor malformation to ciliary dysfunction.
Zschocke J, Schossig A, Bosshardt DD, Karall D, Glueckert R, Kapferer-Seebacher I
Arch Oral Biol 2017 Aug;80:222-228. Epub 2017 Apr 20 doi: 10.1016/j.archoralbio.2017.04.009. PMID: 28475963

Clinical prediction guides

Treatment of Molar Incisor Malformation and the short term follow-up: Case reports.
Park S, Byun S, Kim J, Yang B, Oh S
Eur J Paediatr Dent 2020 Sep;21(3):238-242. doi: 10.23804/ejpd.2020.21.03.15. PMID: 32893659
Clinico-radiologic features of molar-incisor malformation in a case series of 38 patients: A retrospective observational study.
Kim JE, Hong JK, Yi WJ, Heo MS, Lee SS, Choi SC, Huh KH
Medicine (Baltimore) 2019 Oct;98(40):e17356. doi: 10.1097/MD.0000000000017356. PMID: 31577730Free PMC Article
Variable expressivity of TCTEX1D2 mutations and a possible pathogenic link of molar-incisor malformation to ciliary dysfunction.
Zschocke J, Schossig A, Bosshardt DD, Karall D, Glueckert R, Kapferer-Seebacher I
Arch Oral Biol 2017 Aug;80:222-228. Epub 2017 Apr 20 doi: 10.1016/j.archoralbio.2017.04.009. PMID: 28475963
Microscopic analysis of molar--incisor malformation.
Lee HS, Kim SH, Kim SO, Choi BJ, Cho SW, Park W, Song JS
Oral Surg Oral Med Oral Pathol Oral Radiol 2015 May;119(5):544-52. Epub 2014 Nov 7 doi: 10.1016/j.oooo.2014.10.013. PMID: 25544405
A new type of dental anomaly: molar-incisor malformation (MIM).
Lee HS, Kim SH, Kim SO, Lee JH, Choi HJ, Jung HS, Song JS
Oral Surg Oral Med Oral Pathol Oral Radiol 2014 Jul;118(1):101-109.e3. Epub 2014 Apr 5 doi: 10.1016/j.oooo.2014.03.014. PMID: 24908600

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