🐴 Horse Dental Welfare

Horse WelfareDental HealthPain ManagementVeterinary Care

Welfare Significance: Dental pain is one of the most underrecognised sources of suffering in horses. Equine teeth erupt continuously throughout life, creating sharp edges and developmental problems that, without regular care, cause chronic pain affecting eating, behaviour, and performance.

Equine Dental Anatomy

Horses are hypsodont — their teeth have very long roots and continue erupting throughout life at approximately 2–3mm per year. An adult horse has 36–44 teeth depending on sex and presence of wolf teeth. This continuous eruption creates unique dental problems not found in other species:

Sharp enamel points form on cheek teeth as upper and lower arcades don't meet perfectly
Abnormal wear patterns develop over time
Teeth that lack opposing partners (following extraction or abnormality) overgrow dramatically
Developmental abnormalities (hooks, ramps, waves) become more severe with age

Common Dental Problems and Welfare Impact

Sharp Enamel Points

The most common finding in routine dental examination. Sharp points on the buccal (cheek-side) of upper molars and lingual (tongue-side) of lower molars lacerate the cheeks and tongue. Causes pain during eating and when a bit is in the mouth. All horses develop these points — without regular rasping (floating), they become increasingly problematic.

Periodontal Disease

Inflammation and infection of the tissues supporting the teeth. Diastema (gaps between teeth) trap food and cause severe periodontal disease. Affected horses show significant chronic pain — reluctance to eat, dropping food (quidding), and weight loss. Periodontal disease is increasingly recognised as a major welfare issue in older horses.

Dental Overgrowths

Hooks (sharp projections at the front of upper cheek teeth), ramps, and wave mouth (uneven wear across the arcade) impair chewing efficiency and jaw movement. They cause pain, restrict lateral jaw movement, and interfere with bit acceptance in ridden horses.

Wolf Teeth

First premolar vestigial teeth that erupt immediately in front of the cheek teeth. In ridden horses, wolf teeth in the bit area cause significant pain and resistance. Removal is routine in horses that will be ridden.

EOTRH (Equine Odontoclastic Tooth Resorption and Hypercementosis)

A progressive, painful condition of the incisors (front teeth) characterised by resorption of tooth structure and abnormal cementum deposition. Causes chronic severe pain. Affected horses may show reluctance to accept a bit, difficulty grasping food, and head shaking. Treatment is extraction of affected teeth.

Recognising Dental Pain

Horses rarely show obvious signs of dental pain — they mask it. Signs to watch for:

Quidding (dropping partially chewed food from the mouth)
Weight loss or poor condition despite adequate feed
Excessive salivation
Reluctance to eat hay or hard feed
Head tilting while chewing
Resistance to bitting, headshaking, or one-sidedness in ridden work
Swelling along the jaw, nasal discharge on one side (tooth root abscess)

Annual Checks: Every horse should receive a dental examination by a qualified equine dental technician or veterinary surgeon at least annually — every 6 months for horses under 5 or over 15 years. Sedation is often necessary for a proper examination and treatment. Dental care without adequate examination is inadequate welfare provision.

Qualified Practitioners

In the UK, equine dental work is regulated:

Veterinary surgeons can perform all dental procedures
Registered Equine Dental Technicians (REDTs) can perform routine rasping and examination but must refer to vets for extractions and sedation
Unqualified "horse dentists" offering invasive procedures are practising illegally

Always use qualified practitioners and ensure sedation is available for proper examination of painful mouths.