The dentist wanted to insert the battery into the device for the first start up.She has removed the protective foil around the battery pack before inserting the rechargeable battery.Very probably, a shortage of the battery occurred during insertion and the shortage wire got very hot.By the scare, the device fell to the ground and separated into pieces.The dentist suffered a very small, 3rd degree burn on her left hand middle finger.She went to see a doctor and had to close the dental surgery for that afternoon.This incident is reported out of an abundance of caution according to 21 cfr 803 as the fda might define this as a serious injury.This is assumed to the fact that the dentist reports seeking secondary medical care for his slight burn and there is a likely hood of reoccurrence if the user defoils/ unpacks the protective foil around the lithium ion rechargeable battery pack.
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