Int J Stomatol

Int J Stomatol ›› 2021, Vol. 48 ›› Issue (1): 96-101.doi: 10.7518/gjkq.2021026

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Research progress on kissing molars: a review

Zhao Wenjun,Hao Xiaoqi,Wang Kaili,Liu Yuanyuan,Tang Bei,Ren Jiayin,Zheng Guangning()   

  1. State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Disea-ses & Dept. of Radiology, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
  • Online:2021-01-01 Published:2021-01-20
  • Contact: Guangning Zheng E-mail:gnzheng@163.com
  • Supported by:
    This study was supported by Practical Standard of Regional Alliance of Oral and Maxillofacial Radiology in West China Hospital of Stomatology, Sichuan University(LCYJ2019-17)

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Abstract:

Kissing molars (KMs) represent a rare clinical event and used in describing impacted teeth contacting occlusal surfaces in a single follicular space and their roots pointing in opposite directions. KMs often refer to completely impacted mandibular molars and usually occur at the third molar. Reports on KMs are few. The etiopathogenesis of this unique event is unknown, but a relation between KMs and mucopolysaccharidoses has been proposed. Several hypotheses that explain this phenomenon have been proposed, but detailed descriptions of related mechanisms are lacking. Moreover, treatment options for KMs, which manifest a unique form of dental impaction, are limited. In this paper, we review the definition, classification, etiology, and pathological mechanism of KMs and its treatment strategy described in the literature to provide a reference for the diagnosis and treatment of this peculiar malocclusion.

Key words: kissing molars, classification, aetiopathogenetic, clinical significance


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Fig 1

KMs consisted of the second and third molars in the left mandible as local orthopantomography showed"

Fig 2

KMs consisted of left mandibular third molar and supernumber tooth in third molar region in left mandible as local orthopantomography showed (Class Ⅲ in Gulses classification)"

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