Mandibular canal assessment in dentate and edentulous ridges of 400 Iraqi Arab and Kurdish populations using cone beam computed tomography

IF 1.7 Q3 DENTISTRY, ORAL SURGERY & MEDICINE
Omar Basheer Taha , Mohamad Arif Awang Nawi , Johari Yap Abdullah , Matheel AL-Rawas , Asilah Yusof
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引用次数: 0

Abstract

Objectives

This study aims to compare differences in mandibular canal (MC) location between dentate and edentulous ridges, in the second premolar region as well as the first, second, and third molar regions using cone beam computed tomography (CBCT) of Arabic and Kurdish Iraqi populations.

Materials and Methods

CBCT images of 400 subjects (200 Arabs, 200 Kurds) were collected from radiological archives. RadiAnt DICOM software (Medixant, Poland) was used for image analyses. Measurements were performed from MC to buccal and lingual alveolar crests and to buccal, lingual, and inferior aspect of the mandible for both dentate and edentulous ridges. Additionally, distance to the most superior aspect of residual edentulous ridge were performed. Independent t-test and Mann-Whitney U Test were performed utilising SPSS v.26.

Results

Distances from MC to buccal and lingual alveolar crests were consistently lower in edentulous ridge compared to dentate ridge across all teeth regions. Distances to lingual and inferior border of the mandible were higher in edentulous ridge compared to dentate ridge of all teeth regions. Distances to buccal surface of the mandible varies with fluctuations of dentate and edentulous ridges displaying higher measurements. Distance to superior aspect of residual edentulous ridge revealed mean values in the range of 13.45 to 15.69 mm in Arabs and 13.96 to 16.37 mm in Kurds.

Conclusions

Discrepancy in vertical position of MC was observed between dentate and edentulous ridges within Arab and Kurd populations. Horizontal position of MC was unaffected by tooth loss and found to be closer to lingual surface of all molars. The residual alveolar ridge was sufficient to accommodate the common length and width of dental implants.

Clinical significance

The findings could play a crucial role in planning surgical interventions of the mandible, helping to prevent complications that might arise due to inadequate preoperative assessments.

使用锥形束计算机断层扫描评估 400 名伊拉克阿拉伯人和库尔德人的齿嵴和无齿嵴的下颌管
本研究旨在使用锥形束计算机断层扫描(CBCT)技术,比较伊拉克阿拉伯人和库尔德人在有齿脊和无齿脊、第二前磨牙区以及第一、第二和第三磨牙区的下颌管(MC)位置差异。使用 RadiAnt DICOM 软件(波兰 Medixant 公司)进行图像分析。从 MC 到颊齿槽嵴和舌侧齿槽嵴,以及到下颌骨颊、舌和下侧的距离均为有齿脊和无齿脊的测量值。此外,还进行了到残余无齿嵴最上方的距离测量。结果在所有牙齿区域,无牙嵴与有牙嵴相比,MC 到颊齿龈和舌齿龈嵴的距离始终较低。与所有牙区的牙槽嵴相比,无牙槽嵴的下颌舌面和下颌下缘的距离较高。下颌颊面的距离随着有齿脊和无齿脊的波动而变化,显示出较高的测量值。阿拉伯人到残余无牙颌脊上部的距离平均值为 13.45 至 15.69 毫米,库尔德人为 13.96 至 16.37 毫米。MC的水平位置不受牙齿缺失的影响,并且更靠近所有臼齿的舌面。残留的牙槽嵴足以容纳常见长度和宽度的牙种植体。临床意义该研究结果可在下颌骨手术干预计划中发挥重要作用,有助于防止因术前评估不足而可能出现的并发症。
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来源期刊
Saudi Dental Journal
Saudi Dental Journal DENTISTRY, ORAL SURGERY & MEDICINE-
CiteScore
3.60
自引率
0.00%
发文量
86
审稿时长
22 weeks
期刊介绍: Saudi Dental Journal is an English language, peer-reviewed scholarly publication in the area of dentistry. Saudi Dental Journal publishes original research and reviews on, but not limited to: • dental disease • clinical trials • dental equipment • new and experimental techniques • epidemiology and oral health • restorative dentistry • periodontology • endodontology • prosthodontics • paediatric dentistry • orthodontics and dental education Saudi Dental Journal is the official publication of the Saudi Dental Society and is published by King Saud University in collaboration with Elsevier and is edited by an international group of eminent researchers.
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