13 December 2019

• Periodontal surgery: Is a minimally invasive approach effective for infrabony defects?

  This review of minimally invasive periodontal surgery for the treatment of intra‐bony defects included 25 studies of which 10 were randomised controlled trials. There is limitied evidence comparing minimal and traditional approach but minimal invasive surgery may produce similar outcomes.

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• Orthodontics: How much force is needed to move teeth with fixed appliances?

  This review looking at the optimal force magnitude for achieving orthodontic tooth movement included 12 studies suggesting there is weak to moderate evidence showing that forces ranging between 50 cN and 100 cN are optimal for the rate of orthodontic tooth movement.

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• Computerised local anaesthesia in paediatric patients

  This review ofwhether local computerised anaesthesia decreases the pain and disruptive behaviour in children when compared to conventional anaesthesia included 20 RCTs and suggested no diference between the two approaches.

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