Name: Equine Odontoclastic Tooth Resorption and Hypercementosis (EOTRH) Species: Equine (although cats and humans get a similar disease) Age: Usually senior horses, age 20 and older Breed/Sex Predilection: None What is it? Resorption (or "eating away") of the roots of the teeth by the body. Hypercementosis is when the body lies down new bone where it is not normally present, forming sometimes very large "balls" at the base of the roots. This disease is most common in the