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单根原发性下颌第一磨牙：沙特阿拉伯阿西尔省的一例罕见病例。

Monoradicular primary mandibular first molar: A rare case in Aseer Province of Saudi Arabia.

作者信息

Al-Shahrani Zainah M, Balan Usha, Assiri Khalil Ibrahim, Al Qarni Abdulaziz M Maken

机构信息

Intern, College of Dentistry, King Khalid University, Abha, Kingdom of Saudi Arabia.

Department of Diagnostic Science and Oral Biology, King Khalid University, Abha, Kingdom of Saudi Arabia.

出版信息

J Oral Maxillofac Pathol. 2020 Feb;24(Suppl 1):S120-S123. doi: 10.4103/jomfp.JOMFP_283_19. Epub 2020 Feb 28.

DOI:10.4103/jomfp.JOMFP_283_19
PMID:32189919
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC7069144/
Abstract

Morphological variations can occur in primary and permanent teeth. Genetic and environmental factors could be responsible for various dental anomalies. Anomalous teeth are usually asymptomatic and are diagnosed during routine oral examination. These anomalies may increase caries susceptibility and complicate dental treatment procedures such as extraction or root canal treatment. We report a rare case of mandibular first molar with a single root and a root canal.

摘要

乳牙和恒牙均可出现形态变异。遗传和环境因素可能导致各种牙齿异常。异常牙齿通常无症状，在常规口腔检查时被诊断出来。这些异常可能会增加患龋易感性，并使拔牙或根管治疗等牙科治疗程序复杂化。我们报告一例罕见的下颌第一磨牙单根单根管病例。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2dcd/7069144/1481bdd57f3c/JOMFP-24-120-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2dcd/7069144/3f68755de57e/JOMFP-24-120-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2dcd/7069144/1481bdd57f3c/JOMFP-24-120-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2dcd/7069144/3f68755de57e/JOMFP-24-120-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2dcd/7069144/1481bdd57f3c/JOMFP-24-120-g002.jpg

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A new system for classifying tooth, root and canal anomalies.一种新的牙齿、牙根和根管畸形分类系统。
Int Endod J. 2018 Apr;51(4):389-404. doi: 10.1111/iej.12867. Epub 2017 Nov 1.
2
Cellular and molecular mechanisms of tooth root development.牙根发育的细胞和分子机制。
Development. 2017 Feb 1;144(3):374-384. doi: 10.1242/dev.137216.
3
Prevalence and distribution of selected dental anomalies among saudi children in Abha, Saudi Arabia.沙特阿拉伯阿卜哈地区沙特儿童特定牙齿异常的患病率及分布情况。
J Clin Exp Dent. 2016 Dec 1;8(5):e485-e490. doi: 10.4317/jced.52870. eCollection 2016 Dec.
4
Single rooted primary first molar with nonsyndromic hypodontia: A rare case report.单根原发性第一磨牙伴非综合征性牙发育不全：一例罕见病例报告。
J Oral Maxillofac Pathol. 2015 May-Aug;19(2):268. doi: 10.4103/0973-029X.164559.
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Malformations of the tooth root in humans.人类牙根的畸形。
Front Physiol. 2015 Oct 27;6:307. doi: 10.3389/fphys.2015.00307. eCollection 2015.
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Single-rooted primary first molars.单根乳第一磨牙
Indian J Dent Res. 2012 Jan-Feb;23(1):104-6. doi: 10.4103/0970-9290.99050.
7
Canal complexity of a mandibular first molar.下颌第一磨牙的根管复杂性。
J Conserv Dent. 2009 Jan;12(1):37-40. doi: 10.4103/0972-0707.53341.