EOTRH (Equine Odontoclastic Tooth Resorption and Hypercementosis)
EOTRH is a painful, progressive disease, mainly of the incisors and canines of older horses. Tooth substance is broken down by odontoclasts (resorption), while the body partly reacts with excessive cement formation (hypercementosis), bulging the tooth roots. The cause is not yet fully understood.
Veterinary care required
This condition belongs in veterinary diagnosis and treatment. Compounds are at most supportive.
Priority · vet & management
Diagnosis and therapy are strictly veterinary: confirmation is by radiographs of the incisors/canines. As it is a progressive, painful process, extraction of affected teeth is in many cases the established solution to make the horse pain-free; horses usually eat well even after losing the incisors. Complementary feeds have no curative role here.
Possible causes
- · predominantly older horses (often from middle to advanced age)
- · not yet fully clarified origin (multifactorial discussed)
- · possible involvement of load and the micro-environment of the tooth root
- · accompanying periodontal changes
Supportive compounds · supplementary feed, not medication
Prevention
A reliable prevention is not known. Regular dental checks with targeted assessment of the incisors and canines (especially in the senior) allow early detection before the pain affects the general condition.
Equiterna's take
Equiterna deliberately treats EOTRH as a senior-relevant pain topic: the disease is often noticed late, because horses hide their pain. Suspicion and progression belong in veterinary hands — feeding can neither halt nor cure the process.
Usage note
This content is for information and education. It does not replace veterinary diagnosis or treatment. If your horse shows signs of illness, consult a veterinarian.
Equiterna is an intermediary platform for equine knowledge, marketplace and tools — not a veterinary-medicines dealer, veterinary practice or pharmacy. Compound information is study-attributed and free of healing claims. Legal framework: Regulation (EU) 2019/6 / TAMG (DE/AT), Feed Regulation (EC) 767/2009, FEI Prohibited Substances List, HWG.


