Horse teeth age will have between 36 and 44 teeth. All equines are heterodontous, which means that they have different shaped teeth for different purposes. All horses have twelve incisors at the front of the mouth, used primarily for cutting food, most often grass, whilst grazing. They are also used as part of a horse's attack or defence against predators, or as part of establishing social hierarchy within the herd. Immediately behind the front incisors is the interdental space, where no teeth grow from the gums. This is where the bit is placed, if used, when horses are ridden. Behind the interdental
Dragon's teeth (fortification) those formed after the breakup of Yugoslavia, have movable teeth, positioned at roadsides at strategic locations, which are to be lifted and placed on the roads. Some stages of Rallye Deutschland, the German round of the WRC rally championship, are run on roads belonging to the military training ground at Baumholder. The roads are lined with dragon's teeth, known as 'Hinkelsteine'. They usually serve as obstacles to prevent tanks from leaving the roads, and cause devastation to any rally car which veers off track. Notes Dragon's teeth (fortification) Dragon's teeth () are square-pyramidal fortifications of reinforced concrete first used during