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解读三根型下颌第一乳磨牙：一种新的分类建议

Demystifying the Three-rooted Primary Mandibular First Molar: A New Proposed Classification.

作者信息

Gupta Aditi, Dutta Brahmananda, Dhull Kanika S, Devraj Indira Mysore, Surana Pratik

机构信息

Department of Pedodontics and Preventive Dentistry, Kalinga Institute of Dental Sciences, KIIT (Deemed to be University), Bhubaneswar, Odisha, India.

Department of Pediatric and Preventive Dentistry, JSS Dental College and Hospital, JSS Academy of Higher Education and Research, Mysuru, Karnataka, India.

出版信息

Int J Clin Pediatr Dent. 2025 Feb;18(2):239-243. doi: 10.5005/jp-journals-10005-2966. Epub 2025 Mar 20.

DOI:10.5005/jp-journals-10005-2966
PMID:40417441
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC12099262/
Abstract

UNLABELLED

The presence of an additional root in primary mandibular first molars, resulting in a three-rooted morphology, is a rare but significant anatomical variation. This article comprehensively explains three-rooted primary mandibular first molars, including the diagnostic methods, morphological variations, and clinical implications. Through an extensive examination, and careful clinical and radiographic observation, this study attempts to establish a relationship between the triangular morphology of the primary mandibular first molar and the presence of an additional root. Furthermore, a classification has been given explaining the five types of three-rooted primary mandibular first molar, based on the central groove pattern observed. This article aims to enhance awareness among dental practitioners and contribute to the advancement of knowledge in pediatric dental anatomy, along with its applications in various pediatric treatment protocols.

HOW TO CITE THIS ARTICLE

Gupta A, Dutta B, Dhull KS, Demystifying the Three-rooted Primary Mandibular First Molar: A New Proposed Classification. Int J Clin Pediatr Dent 2025;18(2):239-243.

摘要

未标注

乳牙下颌第一磨牙出现额外的牙根，形成三根形态，是一种罕见但重要的解剖变异。本文全面解释了三根乳牙下颌第一磨牙，包括诊断方法、形态变异和临床意义。通过广泛的检查以及仔细的临床和影像学观察，本研究试图建立乳牙下颌第一磨牙的三角形形态与额外牙根存在之间的关系。此外，基于观察到的中央沟模式，给出了一种分类方法，解释了三根乳牙下颌第一磨牙的五种类型。本文旨在提高牙科从业者的认识，并促进儿童牙体解剖学知识的进步及其在各种儿童治疗方案中的应用。

如何引用本文

古普塔 A、杜塔 B、杜尔 KS，《解读三根乳牙下颌第一磨牙：一种新的分类建议》。《国际临床儿科牙科学杂志》2025 年；18(2):239 - 243。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e90a/12099262/2935c4ce20b2/ijcpd-18-2-239-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e90a/12099262/4df87fff3463/ijcpd-18-2-239-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e90a/12099262/afb4330768b7/ijcpd-18-2-239-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e90a/12099262/b72138c2bd53/ijcpd-18-2-239-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e90a/12099262/2935c4ce20b2/ijcpd-18-2-239-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e90a/12099262/4df87fff3463/ijcpd-18-2-239-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e90a/12099262/afb4330768b7/ijcpd-18-2-239-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e90a/12099262/b72138c2bd53/ijcpd-18-2-239-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e90a/12099262/2935c4ce20b2/ijcpd-18-2-239-g004.jpg

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