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A double blind crossover trial was carried out to assess the effect of povidone iodine on plaque accumulation in vivo and to measure the total salivary aerobes and anaerobes throughout the study. When compared to the placebo preparation, povidone iodine was without effect on plaque accumulation in all the subjects and there was a progressive increase in plaque throughout the 10-day periods. A 30 to 40 % overall reduction in aerobes and anaerobes occurred with the active preparation which was significant. There appears to be no indication for the use of povidone iodine as an adjunct to oral hygiene or in the treatment of chronic gingivitis.

Human bites pose a number of unique problems, ranging from cellulitis to the transmission of communicable diseases. The maxillofacial surgeon has the added dilemmas surrounding subsequent repair and reconstruction. Appreciation of the complexity of human bite injuries will ensure optimal care for the patient. We propose a set of guidelines developed 'in-house' to assist in the management of human bite injuries.

As a result of COVID-19, there has been an exponential increase in the use of remote technology for many local, regional and national meetings that would previously have been held on a face-to-face basis. Remote meetings have ensured that essential clinical, educational and strategic work can continue but it is not 'business as usual', although colleagues accept this form of communication as the new norm. In medical education and assessment, the Annual Review of Competence Progression (ARCP) meetings and other formative educational meetings are being conducted remotely. This form of communication has some advantages but may also present possible barriers for feedback and development particularly for 'trainees in difficulty' when there are concerns about progression, and when an unsatisfactory outcome has been awarded. It is also worth remembering that there may be generational differences with the ease of use of virtual meeting platforms. We present some of the important factors for optimising the panel of virtual ARCPs and discuss methods to improve feedback given remotely for trainees.

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