A retrospective study analysing outcomes of the coronectomy procedure at a university dental teaching clinic in Norway.

IF 1.4 4区 医学 Q3 DENTISTRY, ORAL SURGERY & MEDICINE
Umar Sharif, Stein Atle Lie, Cecilie Gudveig Gjerde
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引用次数: 0

Abstract

Mandibular third molars (3M) are often associated with pathologies necessitating their surgical removal. Removal of 3M can cause injury to the inferior alveolar nerve (IAN). In coronectomy, a surgical option for 3M that present a significant risk of injury to the IAN, only the crown is removed, and the root/roots are left in situ, and may move after surgery. Methodology: A retrospective review was done to analyse the outcomes of coronectomy procedures performed at the Clinic of Oral and Maxillofacial Surgery, Institute of Clinical Odontology (IKO), University of Bergen (UiB) between 2014 and 2020. During this period, a total of 63 coronectomy procedures were performed. All 63 patients were contacted after approval from the regional ethical committee, and a total of 44 patients consented to participate in the study. Radiographic analysis was done based on panoramic radiographs (OPG), and patient records were analysed to assess which demographic and local factors were associated with root migration along with the number of post-operative complications. Results: Root migration was not associated with gender, root anatomy, or pattern of tooth impaction. Root migration was observed significantly more often in the younger age group, that is, ≤25 years. There were four reported cases of post-operative complications; two of those cases resolved with systemic antibiotics, while surgical intervention was necessary in the other two cases to remove the remaining roots. There were no reported cases of transient or permanent neurosensory disturbances.  Conclusion: Coronectomy is a viable technique to avoid nerve injury with 3M removal.

回顾性研究分析了冠状切除手术在挪威一所大学牙科教学诊所的结果。
下颌第三磨牙(3M)通常与病理相关,需要手术切除。3M的移除会造成下牙槽神经(IAN)的损伤。冠状切除术是3M的一种手术选择,对IAN有很大的损伤风险,只有冠被移除,根/根留在原位,手术后可能会移动。方法:回顾性分析2014年至2020年在卑尔根大学临床齿科研究所口腔颌面外科诊所(IKO)进行的冠状切除术的结果。在此期间,共进行了63例冠状切除术。经区域伦理委员会批准,我们联系了所有63例患者,共有44例患者同意参加本研究。基于全景x线片(OPG)进行放射学分析,并分析患者记录,以评估哪些人口统计学和当地因素与根迁移以及术后并发症的数量有关。结果:牙根迁移与性别、牙根解剖结构或牙嵌塞模式无关。牙根迁移在年龄较小(即≤25岁)的人群中更为常见。术后并发症4例;其中两例通过全身抗生素治疗,而另外两例则需要手术干预以去除剩余的根。没有短暂或永久性神经感觉障碍的病例报告。结论:冠状切除术是避免3M切除神经损伤的可行方法。
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来源期刊
Acta Odontologica Scandinavica
Acta Odontologica Scandinavica 医学-牙科与口腔外科
CiteScore
4.00
自引率
5.00%
发文量
69
审稿时长
6-12 weeks
期刊介绍: Acta Odontologica Scandinavica publishes papers conveying new knowledge within all areas of oral health and disease sciences.
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