Manor Yifat, Bader Amal, Chaushu Gavriel, Haim Doron, Manor Alex, Gultekin Alper, Mijiritsky Eitan
*Department of Oral and Maxillofacial Surgery and The Maurice and Gabriela Goldschleger School of Dental Medicine, Tel-Aviv University, Tel-Aviv†Oral Health and Dental Implantation Center, Assaf Harofe Medical Center, Zrifin‡Department of Oral and Maxillofacial Surgery, Rabin Medical Center, Petah Tikva§Edith Wolfson Medical Center, Holon, Israel||Department of Oral Implantology, Istanbul University Faculty of Dentistry, Istanbul, Turkey¶Department of Oral Rehabilitation and The Maurice and Gabriela Goldschleger School of Dental Medicine, Tel-Aviv University, Tel-Aviv, Israel.
J Craniofac Surg. 2016 May;27(3):671-4. doi: 10.1097/SCS.0000000000002565.
To compare the quality of life (QOL), side effects, risks, and complications following mandibular third molar coronectomy compared with conventional third molar extraction.
Sixty-nine patients referred for extraction of impacted mandibular third molars were prospectively studied. The decision to perform coronectomy was made according to radiological data indicative of a risk for inferior alveolar nerve injury. The patients were asked to fill out a questionnaire on their QOL during the first postoperative week, and the surgeon was asked to fill out a questionnaire on these patients' demographic, clinical, and radiological details as well as surgery-related data. The study participants were followed up for at least 1 year postoperatively.
Thirty-four of the 69 patients underwent coronectomy (study group) and 35 underwent full extraction (control group(. There was no group difference in QOL scores during the first postoperative week. There was no patient of nerve injury in either group. No complications were found in the postoperative period. Two patients of coronectomy necessitate residual tooth removal prior to planned orthodontic treatment.
These patients' QOL are similar to those for patients following total extraction. No difference in side effects following procedure was found between coronectomy and total extraction.
Coronectomy of impacted mandibular third molars may be offered instead of total extraction in patients presenting radiological characteristics of root proximity to the inferior alveolar nerve.
比较下颌第三磨牙牙冠切除术与传统第三磨牙拔除术后的生活质量（QOL）、副作用、风险和并发症。
对69例因下颌阻生第三磨牙需拔除的患者进行前瞻性研究。根据提示下牙槽神经损伤风险的放射学数据决定是否进行牙冠切除术。要求患者在术后第一周填写一份关于其生活质量的问卷，并要求外科医生填写一份关于这些患者的人口统计学、临床和放射学细节以及手术相关数据的问卷。对研究参与者进行术后至少1年的随访。
69例患者中34例接受了牙冠切除术（研究组），35例接受了完整拔除术（对照组）。术后第一周生活质量评分在两组间无差异。两组均无神经损伤患者。术后未发现并发症。2例牙冠切除术患者在计划正畸治疗前需要拔除残留牙齿。
这些患者的生活质量与接受完整拔除术的患者相似。牙冠切除术和完整拔除术在术后副作用方面未发现差异。
对于具有牙根靠近下牙槽神经放射学特征的患者，可提供下颌阻生第三磨牙牙冠切除术替代完整拔除术。
