An object, usually a metal bar, placed into the mouth of a horse, held on by a bridle and used with reins to direct and guide the animal. Occasionally made of other materials, including rubber.May be solid or jointed and may have rollers or other attachments added, usually in the center.
There are 32 teeth in the human mouth, including the wisdom teeth at the back that most people have removed. But how many of them do we seriously need? This question has exercised dentists since the dawn of the NHS with its cash-limited budget for treatment.
20 baby teeth: A child will normally have 20 baby (deciduous) teeth. These usually start to come into the mouth (erupt) when the child is around 6 months. The last baby teeth erupt around 2 years old. The baby teeth start to come out when permanent teeth start coming in. This usually starts around 6 years old and child will loose 8 front teeth. Around 10-12 years old, back 12 teeth come out. Ages can vary.