While a horses teeth are fairly long the surface is relatively smooth as a general rule. However a horses teeth can become jagged from uneven wear from chewing.
long in the tooth
The possessive form for "the teeth of the horse" (singular) is "the horse's teeth".The possessive form for "the teeth of the horses" (plural) is "the horses' teeth".
No some have jagged teeth to eat the person who asked this question
Having your horses teeth taken care of is called having the horses teeth floated.
A gear
Simple machines
No, it doesn't even have teeth. A blue tongue skink has jagged bones in its mouth but it's not teeth. All lizards have teeth, even though you may not see them, they're there, and they're not jagged bones.
Usually horses teeth wont fall out, unless the horse is very old, or has had an injury that makes his/her teeth get knocked out. I would say about 30+ years for a horses teeth to just fall out, if they fall out at all.
A creature known for its jagged teeth is the piranha, a freshwater fish found in South American rivers. Piranhas have sharp, triangular teeth that are well-adapted for their carnivorous diet. Their formidable bite and aggressive behavior have contributed to their fearsome reputation. Other examples include various species of sharks, which also possess jagged teeth designed for tearing flesh.
serratus anterior
Jagged, Sharp, and Flesh rending.
Horses lose their deciduous or "baby" teeth. When horses are born they already have their secondary set of teeth underneath their "baby teeth" just as humans do. The permanent set of teeth will grow in and push the primary set of teeth out.