Critical analysis of anatomy and classification of retromolar canal: an observational CBCT study.

IF 1.1 Q3 DENTISTRY, ORAL SURGERY & MEDICINE Minerva dental and oral science Pub Date : 2024-09-27 DOI:10.23736/S2724-6329.24.05011-3

Dardo Menditti, Pierluigi Mariani, Michele G DI Mare, Vittorio Patanè, Salvatore Cappabianca, Vittorio S Menditti, Antonio DE Luca, Marco Menditti, Alfonso Reginelli

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Abstract

Background: The retromolar canal (RMC) is an anatomical structure of the mandibular bone located distal to the last molar. The frequency of anatomical variation in human anatomy is approximately 30-35%. This study aimed to evaluate the prevalence of the retromolar canal in a population subjected to cone beam computed tomography (CBCT).

Methods: The radiographic images belonged to 200 patients (100 males and 100 females; older than 13 years old) were examined following a strict protocol. Four hundred hemi-mandibles of 100 male and 100 female patients were examined between 2019 and 2022.

Results: The collected data showed 136 patients presented the RMC, bilateral in 72 cases (68%) and unilateral in the other 64 cases (32%). Gender variation did not yield statistically significant differences, with 76 male (56%) and 60 female (44%) patients affected (P>0.05). A statistically significant difference was observed for side predilection, with unilateral RMC more prevalent on the right side in 24 cases (37.5%) and on the left side in 40 cases (62.5%) (P<0.05).

Conclusions: Based on the results obtained and other anatomical considerations, this study proposes a new classification for RMC.

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后臼管解剖和分类的关键分析：一项观察性 CBCT 研究。

背景：后臼齿管（RMC）是下颌骨的一种解剖结构，位于最后一颗臼齿的远端。在人体解剖学中，其变异频率约为 30-35%。本研究旨在评估锥形束计算机断层扫描（CBCT）人群中后磨牙管的患病率：方法：按照严格的规程检查了 200 名患者（100 名男性和 100 名女性，年龄在 13 岁以上）的放射影像。在 2019 年至 2022 年期间，对 100 名男性和 100 名女性患者的 400 个半颌骨进行了检查：收集到的数据显示，136 名患者患有 RMC，其中 72 例（68%）为双侧，另外 64 例（32%）为单侧。性别差异没有统计学意义，76 名男性（56%）和 60 名女性（44%）患者受到影响（P>0.05）。单侧 RMC 患者中，右侧较多，占 24 例（37.5%），左侧较多，占 40 例（62.5%）（PC 结论）：根据研究结果和其他解剖学因素，本研究提出了一种新的 RMC 分类方法。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Minerva dental and oral science DENTISTRY, ORAL SURGERY & MEDICINE-

CiteScore

2.50

自引率

5.00%

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