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Submitted: 12 Jan 2021
Accepted: 19 Feb 2021
ePublished: 29 Jun 2021
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Avicenna J Dent Res. 2021;13(2): 72-75.
doi: 10.34172/ajdr.2021.14
  Abstract View: 93
  PDF Download: 70

Case Report

The Rare Eruption of Second Mandibular Permanent Molar in a Seven-Year-Old Girl: A Case Report

Arghavan Kamali Sabeti 1 ORCID logo, Niloufar Entezari Moghaddam 2* ORCID logo, Ghazaal Younesi 3

1 DDS, Assistant Professor of Pediatric Dentistry, Department of Pediatric Dentistry, Faculty of Dentistry, Hamadan University of Medical Sciences, Hamadan, Iran.
2 DDS, Post-Graduate Student of Pediatric Dentistry, Department of Pediatric Dentistry, Faculty of Dentistry, Hamadan University of Medical Sciences, Hamadan, Iran.
3 DDS, Private Practice.
*Correspondence to Niloufar Entezari Moghaddam, Shahid Fahmideh Street, Hamadan University of Medical Sciences, Hamadan Iran. Postal code: 6517838677, Tel: +989123899278, Fax: 00988138381085, Email: niloufal2@gmail.com

Abstract

Background: Information on tooth emergence is a key indicator for demonstrating maturity in the diagnosis of certain growth disturbances and an estimation of the chronological age of the children with unknown birth records in forensic dentistry. The association of dental and skeletal maturity with chronologic age among different populations has been investigated by several researchers. Early eruption of permanent molar appears to be a unique finding at such an early chronological age. The present report aimed to present a case of early eruption of mandibular second permanent molar in a seven-year-old girl.

Case Report: A seven-year-old girl was referred to the department of pediatric dentistry of Hamadan University with the chief complaint of an extra palatal tooth. Apart from the supernumerary tooth, mandibular second molars and premolars were fully erupted. Radiographic evaluation revealed a closure of the apex of the maxillary and mandibular incisors along with the first molars. For further investigations, the patient was referred to pediatric endocrinologist in order to rule out any systemic disease; however, patient’s test results did not show any systemic or hormonal problems. This case is one of the rare cases of early eruption of mandibular second molars at seven with no underlying problems. To our knowledge, no case of early eruption of second permanent molar has been reported in a seven-year-old child and early eruption of second molar appears to be a unique finding at such an early chronological age.

Conclusions: Any change in sequence or timing of the normal tooth eruption is not common, and it needs prepared eyes and adequate knowledge to diagnose and examine it in a timely manner.


Keywords: Eruption sequence, Second mandibular permanent molar, Supernumerary teeth
Citation: Kamali Sabeti A, Entezari Moghaddam N, Younesi G. The rare eruption of second mandibular permanent molar in a seven-year-old girl: a case report. Avicenna J Dent Res. 2021;13(2):72-75. doi: 10.34172/ajdr.2021.14.
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