Muter Mohammed Ahmed, Al-Hashimi Omer Tareq, Kadhum Shahad Ihsan, Alsaffar Ali Abdulridha
DEPARTMENT OF ORAL SURGERY, COLLEGE OF DENTISTRY, AL HIKMA UNIVERSITY COLLAGE, BAGHDAD, IRAQ.
DEPARTMENT OF ORAL DIAGNOSIS, COLLEGE OF DENTISTRY, AL HIKMA UNIVERSITY COLLAGE, BAGHDAD, IRAQ.
Wiad Lek. 2025;78(7):1375-1380. doi: 10.36740/WLek/205603.
Aim: The aim of this study was to evaluate the effect of varies demographical and radiographical variables including retromolar space on surgical difficulty of impacted mandibular third molar.
Materials and Methods: Materials and methods: This prospective observational study included a total of 53 patients who underwent surgical removal of impacted lower third molars. The independent variables included demographic data (age, sex) and radiographic findings (Winter's angulation, Pell and Gregory's classification, and retromolar space), retromolar space was measured from the anterior border of mandibular ramus and the distal surface of mandibular second molar in millimeter. Dependent variables were surgical difficulty determined by technique and operation time.
Results: There was a statistically significant relationship between the retromolar space and Pell and Gregory's classification with the duration of surgery and technique of extraction. There was a non-significant difference in the duration of surgery among the age, sex of patients and angulation of impacted teeth.
Conclusions: This study shows that the retromolar space and Pell and Gregory's classification have a strong influence in lower third molar surgical difficulty.
本研究的目的是评估包括磨牙后间隙在内的各种人口统计学和影像学变量对下颌阻生第三磨牙手术难度的影响。
本前瞻性观察研究共纳入53例行下颌阻生第三磨牙手术拔除的患者。自变量包括人口统计学数据（年龄、性别）和影像学表现（温特角、佩尔和格雷戈里分类以及磨牙后间隙），磨牙后间隙从下颌升支前缘至下颌第二磨牙远中面以毫米为单位测量。因变量为根据手术技术和手术时间确定的手术难度。
磨牙后间隙以及佩尔和格雷戈里分类与手术持续时间和拔牙技术之间存在统计学上的显著关系。患者的年龄、性别以及阻生牙的角度在手术持续时间上无显著差异。
本研究表明，磨牙后间隙以及佩尔和格雷戈里分类对下颌第三磨牙手术难度有很大影响。
