Relationship of incidence of radix entomolaris and C-shaped canal in mandibular molars using CBCT: A multi-centre study.

IF 1.3 4区医学 Q3 DENTISTRY, ORAL SURGERY & MEDICINE

Australian Endodontic Journal Pub Date : 2024-10-21 DOI:10.1111/aej.12895

Sobrina Mohamed Khazin, Siti Hajar Omar, Marlena Kamaruzaman, Huwaina Abd Ghani, Mandava Deepthi, Diyana Kamarudin, Safura Anita Baharin, Vinayak Pishipati Kalyan Chakravarthy

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Abstract

This study aimed to evaluate the relationship of incidence between radix entomolaris (RE) in permanent mandibular first molars (FM) with C-shaped canal (CSC) in permanent mandibular second molars (SM). A total of 1015 cone-beam computed tomography (CBCT) images of permanent mandibular molars from Malaysian patients were collected retrospectively and analysed by researchers from seven dental schools in Malaysia trained in CBCT technology. The presence and absence of RE and CSC were scored as 'yes' or 'no'. The prevalence of FM with RE was 21.2% and SM with CSC was 37.9%. The co-occurrence of RE and CSC in the same quadrant was 6.5% (OR = 1.497, p = 0.014). Female, Chinese and samples from Eastern Peninsular Malaysia were associated with CSC in SM (p < 0.05). The increased appearance of CSC in SM when RE is present in FM makes it imperative for clinicians to be vigilant during examination and diagnosis to prevent potential endodontic mishaps.

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下颌磨牙根尖内磨牙和 C 形管的发病率与 CBCT 的关系：一项多中心研究。

本研究旨在评估恒下颌第一磨牙（FM）的根尖内磨牙（RE）与恒下颌第二磨牙（SM）的C形管（CSC）之间的发病率关系。来自马来西亚七所接受过 CBCT 技术培训的牙科学校的研究人员回顾性地收集了马来西亚患者的 1015 张下颌恒磨牙锥束计算机断层扫描（CBCT）图像，并对其进行了分析。有无RE和CSC均以 "有 "或 "无 "来评分。伴有RE的FM发病率为21.2%，伴有CSC的SM发病率为37.9%。RE和CSC同时出现在同一象限的比例为6.5%（OR = 1.497，P = 0.014）。女性、华人和来自马来西亚东半岛的样本与 SM 中的 CSC 相关（p

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来源期刊

Australian Endodontic Journal DENTISTRY, ORAL SURGERY & MEDICINE-

CiteScore

3.50

自引率

6.20%

发文量

审稿时长

>12 weeks

期刊介绍： The Australian Endodontic Journal provides a forum for communication in the different fields that encompass endodontics for all specialists and dentists with an interest in the morphology, physiology, and pathology of the human tooth, in particular the dental pulp, root and peri-radicular tissues. The Journal features regular clinical updates, research reports and case reports from authors worldwide, and also publishes meeting abstracts, society news and historical endodontic glimpses. The Australian Endodontic Journal is a publication for dentists in general and specialist practice devoted solely to endodontics. It aims to promote communication in the different fields that encompass endodontics for those dentists who have a special interest in endodontics.