Uppal Simran, Sharma Aditi, Iftikhar Ifra, Sybil Deborah, Khan Imran
Faculty of Dentistry Jamia Millia Islamia, New Delhi, India.
Department of Oral and Maxillofacial Surgery, Faculty of Dentistry Jamia Millia Islamia, New Delhi, India.
J Maxillofac Oral Surg. 2024 Oct;23(5):1216-1225. doi: 10.1007/s12663-023-02077-1. Epub 2023 Dec 15.
Since mandibular third molars are frequently impacted, third molar extractions are among the most common procedures performed by oral surgeons (35.9-58.7% of all surgical procedures). Inferior alveolar nerve (IAN) injury is major postoperative complication in 0.81-22% of the cases leading to a permanent injury in 1-4% of the cases. Prior studies have proven that coronectomy, a procedure that involves the removal of the crown and coronal one-third of the roots of the third molar with intentional retention of the two-third apical roots to protect the IAN, can thus prove to be a viable alternative in such cases of close proximity to the IAN.
This study was conducted in India to determine the knowledge, attitudes, and practices of oral and maxillofacial surgeons regarding coronectomy and its role in the prevention of IAN injury.
The questionnaire entitled: "Coronectomy: A Knowledge, Attitude and Practice (KAP) Survey among Oral and Maxillofacial Surgeons" was sent to 120 oral and maxillofacial surgeons. Five questions in each domain, i.e., knowledge, attitude, and practice were designed to know the level of awareness, acceptance, and current status of the performance of coronectomy among oral and maxillofacial surgeons (OMFS). Teeth with acute infection and mobile teeth were excluded from the consideration of coronectomy procedures.
Out of the 120 questionnaires sent, 50 responses were obtained, thus producing a response rate of 41.6%. The male-to-female ratio in the study was 34:16. 52% of the surgeons had performed up to 5 coronectomies during their entire practice, while 16 % had never even attempted the procedure. Only 42% of the respondents preferred coronectomy, but most of the surgeons were in support of practice-oriented continuing.
由于下颌第三磨牙经常发生阻生，第三磨牙拔除术是口腔外科医生最常进行的手术之一（占所有外科手术的35.9 - 58.7%）。下牙槽神经（IAN）损伤是0.81 - 22%病例中的主要术后并发症，其中1 - 4%的病例会导致永久性损伤。先前的研究已经证明，冠切除术是一种可行的替代方法，该手术包括切除第三磨牙的牙冠和牙根的冠方三分之一，同时有意保留根尖三分之二以保护下牙槽神经，在这种下牙槽神经位置接近的情况下尤其适用。
本研究在印度开展，旨在确定口腔颌面外科医生关于冠切除术及其在预防下牙槽神经损伤中的作用的知识、态度和实践情况。
向120名口腔颌面外科医生发放了题为“冠切除术：口腔颌面外科医生的知识、态度和实践（KAP）调查”的问卷。在知识、态度和实践每个领域设计了五个问题，以了解口腔颌面外科医生对冠切除术的认知水平、接受程度和目前开展情况。冠切除术不考虑急性感染的牙齿和松动牙。
在发放的120份问卷中，获得了50份回复，回复率为41.6%。研究中的男女比例为34:16。52%的外科医生在其整个职业生涯中进行过至多5例冠切除术，而16%的医生甚至从未尝试过该手术。只有42%的受访者倾向于冠切除术，但大多数外科医生支持以实践为导向的继续教育。
