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.
Eruption of permanent teeth. Permanent teeth are also known as adult teeth or secondary teeth. The permanent teeth start to develop in the jaws at birth and continue after a child is born. By about 21 years, the average person has 32 permanent teeth, including 16 in the upper jaw and 16 in the lower jaw.