Coronectomy of mandibular third molars: a systematic literature review and case studies

Background Extraction of mandibular third molars (M3M) close to the inferior alveolar nerve (IAN) has a higher risk neurological disturbance. This review aims evaluate evidence supporting use coronectomy technique compared complete extraction for such M3Ms. Case studies by specialist oral and maxillofacial surgeon are included illustrate clinical practice. Methods Three databases (Cochrane Library, Embase, PubMed) were searched (November 2020). Additional articles sought hand searching reference list articles. All published in English comparing outcomes with at least 50 subjects 6 months follow-up included. Results Of six studies, five reported lower rate IAN disturbance after extraction. There no cases lingual Other as pain, infection, osteitis either similar or high rates root migration but low exposure reoperation. Follow-up protocols varied considerably. Conclusions is medium quality support option M3M cases. Further develop assist general dental practice warranted.