Bearing rein, overcheck or checkrein. 1. A strap running from a horse's back, over the head, to a bit, to prevent the horse from lowering its head beyond a fixed point. Used with harnessed horses.2. An aid where the rein is applied to the horse's neck on the side towards the turn. Opposite of a neck rein.
Quick Answer. An adult human mouth typically contains 32 teeth, including eight premolars, 12 molars, eight incisors, four canines and four wisdom teeth. Children generally have 20 deciduous or baby teeth, including eight molars, eight incisors and four canines. Continue Reading.
32   Young adults have 28 teeth. 4 more teeth arrive in early adult hood (often described as wisdom teeth) at the very back of the jaws. So they have 32 teeth when these t â¦ eeth arrive.   If your question is how many teeth does the average adult lose to dental problems, accidents and other occurences I don't know the answer. It probably varies by occupation.