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.
By 12 months babies usually have 4 to 8 teeth. By 18 months 12 teeth and by 3 years all 20 baby teeth will generally be in place. Baby teeth will be lost between the ages of 6 and 12 years to make way for permanent teeth (also called adult teeth). Teeth generally appear in a certain order.