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Coronavirus disease 2019 has become a worldwide pandemic that is seriously jeopardising people's health. The National Health Commission and regional health administrations have issued regulations on the prevention and control of coronavirus disease 2019. Dentistry involves many invasive treatments, which differentiates it from other forms of medical practice. The following guidelines were produced by experts from the Stomatological Healthcare Service branch of the Chinese Stomatological Association to prevent the spread of coronavirus disease 2019 in dental clinics. The guidelines are in accordance with the relevant laws and documents from the health administration and range from technical guidelines to advice on how dental treatment should be conducted. Dental institutions can take these suggestions as a reference, based on the current local epidemic situation. It is anticipated that the guidelines will help dental institutions of different sizes to prevent the spread of the epidemic.This Preview summarizes the Ada Lovelace Institute rapid evidence review Exit through the App Store?, which sets out proposals for whether, and how, the UK government should use technology to transition from the COVID-19 global public health crisis. It examines the potential development and implementation of technical solutions to support symptom tracking, contact tracing, and immunity certification. The full rapid evidence review takes into account societal, political, legal, and ethical perspectives and gives findings and recommendations for the transition and rebuild phases that follow containment, delay, and mitigation.Purpose To compare publicly available rehabilitation protocols designated for rotator cuff (RTC) repairs published online by academic residency programs and private practice institutions. Methods A systematic electronic search using the Fellowship and Residency Electronic Interactive Database Access System (FREIDA) was performed for RTC repair rehabilitation protocols. Private practice programs with published rehabilitation protocols that were discovered during the Google search were also included for review, but no comprehensive search for private practice protocols was performed. The main exclusion criteria consisted of non-English-language protocols and protocols without any of the time-based components in question. Included protocols were assessed independently based on the specified RTC tear size (small [≤1 cm], medium [1-4 cm], large or massive [≥5 cm], or no mention of size). Protocols were compared based on the inclusion, exclusion, and timing of certain rehabilitation components. Results A total of 9 use, a large degree of variation remains among published rehabilitation protocols after RTC repair, and this variability is still seen even when subdividing by the size or severity of the RTC tear. Clinical relevance Rehabilitation after RTC repair is crucial to patient outcomes. This study summarizes the variability among online rehabilitation protocols for RTC repair in the United States and emphasizes the importance of appropriate rehabilitation after RTC surgery.Purpose This systematic review aimed to clarify the relative strengths and weaknesses of the all-suture anchors (ASAs) in both clinical and experimental studies. Our hypothesis was that there would be similar clinical and experimental data for ASAs regarding the biomechanical properties, clinical outcomes and complication rates. Methods A systematic review of MEDLINE and Embase databases was performed. The inclusion criteria for clinical studies were both retrospective or prospective study design and minimum 1-year follow-up; for biomechanical studies, the inclusion criteria were performance on either cadaver and animal bones or synthetic surfaces. Selleck FI-6934 Studies were excluded if the studies were not in English or if they were review articles, commentaries, letters, case reports, or technical notes. The risk of bias assessment was done using the Methodological Index for Non-randomized Studies (MINORS) tool. Results We included 13 experimental and 3 clinical studies. The least displacement under cyclic loading was re with anatomic location, which may influence clinical success.Purpose To report changes in outcomes for these 3 treatment options for meniscal root tears. Methods We systematically searched databases including PubMed, SCOPUS, and ScienceDirect for relevant articles. Criteria from the National Heart, Lung, and Blood Institute was used for a quality assessment of the included studies. A meta-analysis was performed to analyze changes in outcomes for meniscal repair. Results Nineteen studies, 12 level III and 7 level IV, were included in this systematic review, with a total of 1086 patients. Conversion to total knee arthroplasty (TKA) following partial meniscectomy ranged from 11% to 54%, 31% to 35% for nonoperative, conservative treatment, and 0% to 1% for meniscal repair. Studies comparing repair with either meniscectomy or conservative treatment found greater improvement and slower progression of Kellgren-Lawrence grade with meniscal repair. A meta-analysis of the studies included in the systematic review using forest plots showed repair to have the greatest mean difference for functional outcomes (International Knee Documentation Committee and Lysholm Activity Scale) and the lowest change in follow-up joint space. Conclusions In patients who experience meniscal root tears, meniscal repair may provide the greatest improvement in function and lowest risk of conversion to TKA when compared with partial meniscectomy or conservative methods. Partial meniscectomy appears to provide no benefit over conservative treatment, placing patients at a high risk of requiring TKA in the near future. However, future high-quality studies-both comparative studies and randomized trials-are needed to draw further conclusions and better impact treatment decision-making. Level of evidence Level IV, systematic review of level III and level IV evidence.Purpose To evaluate the short-term outcomes of rotator cuff repair in the presence of a greater tuberosity cyst (GTC) using a transosseous repair technique. Methods This study included patients who underwent arthroscopic rotator cuff tear repair with a transosseous technique and were evaluated clinically and by postoperative magnetic resonance imaging (MRI) after 1 year. The inclusion criteria were based on the results of preoperative MRI and were as follows patients identified as having a repairable full-thickness rotator cuff tear associated with the presence of cystic changes at the tendon insertion site of the greater tuberosity, defined as a GTC involving the footprint area of the torn tendon (supraspinatus and/or infraspinatus tendons). Results We evaluated 25 patients. The mean preoperative and postoperative American Shoulder and Elbow Surgeons scores were 39.48 (P = .530) and 84.64 (P = .035), respectively; Constant shoulder scores, 38.96 (P less then .005) and 80.28 (P = .425), respectively; and University of California-Los Angeles shoulder rating scale scores, 10.