BACKGROUND: The removal of third molars (3Ms) is the most frequent surgical procedure in the field of Oral Surgery. As a result, the Spanish Society of Oral Surgery (SECIB) aims to create a Clinical Practice Guideline (CPG) that offers evidence-based recommendations for optimal clinical practice. Specifically, the CPG will focus on providing guidance regarding the indications and criteria for clinical and radiological diagnosis of patients with 3Ms.
METHODS: This CPG was developed by the SECIB, following the methodological guidelines described in the methodological manual for the \"Development of Clinical Practice Guidelines in the National Health System\". Several PICO questions related to the diagnosis and indications for the extraction of 3Ms were formulated. The leading experts carried out the evaluation of the evidence and the formulation of specific recommendations.
RESULTS: A total of 17 PICO questions were evaluated, addressing the indications, prognosis, diagnosis, and cost-benefit relationship of 3M extraction.
CONCLUSIONS: The present Clinical Practice Guideline provides evidence-based recommendations on the diagnosis and indications for 3M extraction. These evidence-based recommendations can assist healthcare professionals and the general population in making informed decisions regarding the management of 3Ms.

Randomized controlled trials (RCTs) are the backbone of evidence-based medicine. Despite the widespread acceptance of the Consolidated Standards of Reporting Trials (CONSORT), its use for reporting clinical trials in journals remains poor. The purpose of this study was to find out to what extent RCTs related to mandibular third molars have adhered to the CONSORT statement.
This study was carried out during April 2020 to June 2020. PubMed was used to retrieve RCTs related to mandibular third molars conducted during the last 5 years. The search terms used were mandibular third molar OR lower third molar OR impacted mandibular third molar AND randomized controlled trial. Each article was assessed for adherence to the CONSORT statement.
Eighty unique articles were retrieved. The mean percentage adherence to the CONSORT statement noted was 60.26%. Of the 37 CONSORT items, only 4 items showed 100% adherence (2a, 2b, 4a, and 12a). The most underreported items were #10, 12b, 17a, 17b, 18, 19, 23 to 25. Of the 23 journals considered, 6 journals did not recommend CONSORT for reporting RCT in the \"Instructions to Authors\" guidelines.
Within the limits of the study, it is clear that the RCTs related to third molar do not show 100% adherence to the CONSORT checklist. The editorial policy, peer reviewers, and researchers should endorse the use of the CONSORT checklist for transparent reporting of the RCTs.

Oral and maxillofacial space infections (OMSI) are common diseases of the facial region involving fascial spaces. Recently, OMSI shows trends of multi drug-resistance, severe symptoms, and increased mortality. OMSI treatment principles need to be updated to improve the cure rate. Based on the clinical experiences of Chinese experts and with the incorporation of international counterparts\' expertise, the principles of preoperative checklist, interpretation of examination results, empirical medication principles, surgical treatment principles, postoperative drainage principles, prevention strategies of wisdom teeth pericoronitis-related OMSI, blood glucose management, physiotherapy principles, Ludwig\'s angina treatment and perioperative care were systematically summarized and an expert consensus on the diagnosis and treatment of OMSI was reached. The consensus aims to provide criteria for the diagnosis and treatment of OMSI in China so as to improve the level of OMSI treatment.
口腔颌面部间隙感染（oral and maxillofacial space infections，OMSI）是颌面部潜在筋膜间隙的感染，是口腔颌面部的常见疾病。OMSI病例具有耐药菌感染增多、重症感染增多、致死风险增加等特点。为提高OMSI的治愈率，其治疗原则与方法需与时俱进。因此，依据国内部分专家当前诊治OMSI的临床经验，结合国际同行治疗经验，本文从术前检查、检查结果解读、经验性用药原则、手术处理原则、术后换药原则、智齿冠周炎相关间隙感染的防治策略、血糖监测与控制、物理因子治疗原则、路德维希咽峡炎治疗和围手术期护理等10个方面进行系统性总结，形成共识，以期逐步实现我国口腔颌面外科同行诊治OMSI的规范化与标准化，最终达到提高我国OMSI的诊疗水平的目的。.

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The objective of this narrative review was to identify and evaluate published international guidelines on mandibular third molars (M3M) and to assess their clinical scope and the validity of the recommendations. The search strategy used data obtained from a variety of sources including MEDLINE, national regulatory bodies, national dental and surgical colleges and associations, and military medical departments. Adherence to clinical guideline development was investigated using the AGREE II instrument (Appraisal of Guidelines for Research and Evaluation). Sixteen guidelines pertaining to M3M were included in this review. The guidelines produced by the Faculty of Dental Surgery of the Royal College of Surgeons of England (FDS RCS) and Scottish Intercollegiate Guidelines Network (SIGN) were recommended as meeting the criteria for use. Seven other guidelines were recommended but required modifications. The AGREE II instrument provides an excellent framework for guideline assessment. Unfortunately, very few guidelines scored highly across all domains and therefore were not believed to be of high quality. Due to the significant lack of structure and variable standards in guideline development, the conclusions and recommendations of these guidelines are compromised. There is a need for organizations involved in developing M3M guidelines to update guidance periodically in order to ensure that the information available to clinicians and patients is accurate and relevant to clinical practice.

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To find out whether documentation for the extraction of wisdom teeth complies with National Institute of Health and Care Excellence (NICE) guidelines, we reviewed the referral letters and hospital notes of patients treated at the maxillofacial unit of two NHS Trusts (A: 314 records and B: 280) over 12 months (1 September 2012 to 31 August 2013). Compliance was assessed as unsatisfactory (\"indication for extraction not mentioned\", \"incorrect indication\", \"indication unclear\") or satisfactory (\"correct indication implied\", \"correct indication explicit\"). The grade of the clinician who examined the patient was also recorded. A total of 194/314 (62%) referral letters in Trust A and 126/280 (45%) in Trust B were unsatisfactory (p<0.001). Hospital notes were unsatisfactory in 168/323 (52%) and 87/297 (29%) of cases, respectively (p<0.001). In Trust A, middle grades saw 23% (75/323) of the patients, as compared with 53% (157/297) in Trust B. In both, junior staff produced the highest percentage of satisfactory documentation, but in Trust A they were also responsible for most of the unsatisfactory examples. However, senior house officers saw 60% (195/323) of the patients in Trust A, and only 28% (83/297) in Trust B. Consultants were responsible for significantly more unsatisfactory documentation (p<0.001). One referral letter (0.2%) and seven hospital records (1%) explicitly and accurately complied with the guidelines. We conclude that compliance of documentation with the current NICE guidelines is poor and inconsistent.

We studied the dental records of British military personnel who were less than 20 years old on enlistment, and had at least five years\' service with at least five recorded dental inspections, at three military dental centres in the UK. The median (IQR) period from first to last inspection in 720 subjects was 15 (10-19) years, and the median frequency of inspection was every 14 (13-16) months. A total of 288/1250 mandibular third molars were extracted (23%). There were significant increases in the proportion of extractions stating caries in the mandibular third molar or multi-episode pericoronitis as indications (n=13, 14%, p <0.001) (n=15, 19%, p <0.001) post-introduction of NICE guidance. The number of extractions with no documented indication was reduced by 50 (26%, p<0.001) and that for a single episode of pericoronitis by 20 (9%, p =0.02). Extractions of mandibular third molars because of caries in the adjacent second molar increased by 4 (4%, p=0.045). The median age at the time of extraction before introduction of the guidelines was 23 years compared with 25 years afterwards (p<0.001). Twenty-five of 114 (22%) extractions of mandibular third molars were in patients over the age of 30 after the introduction of guidelines compared with 1/174 (<1%) before. The introduction of the NICE guidelines on the management of third molars has significantly changed our practice. Whether or not these changes have resulted in a net benefit to patients is still a matter for debate.

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