Rabbit Dental Welfare: A Comprehensive Guide
Dental disease is the most common health problem in companion rabbits, affecting an estimated 75% of pet rabbits over their lifetime. Rabbit teeth grow continuously throughout life — correct wear requires adequate dietary fibre. Without it, dental malocclusion develops, causing chronic pain that significantly impairs welfare.
Rabbit Dental Anatomy
Rabbits have hypsodont (continuously growing) teeth — both incisors and cheek teeth grow throughout life and must wear appropriately to maintain correct occlusion. Upper and lower teeth meet at a slight angle, and the normal grinding motion of eating fibrous hay and grass maintains correct wear. Without adequate fibre, teeth over-grow, develop sharp spurs (on cheek teeth) and malocclusion, causing pain, reduced food intake, and eventually complete inability to eat.
Lop-eared breeds have particular dental problems due to skull compression changing jaw geometry — dental disease prevalence is substantially higher in lops than in normal-eared breeds.
Clinical Signs of Dental Disease
Early signs: reduced appetite, food selectivity (dropping certain foods), salivation, wet dewlap from drooling, weight loss. Advanced signs: complete anorexia, severe weight loss, eye discharge (associated with tooth root abscesses near the lacrimal duct), facial swelling, head tilt. Pain behaviours: tooth grinding (bruxism), reluctance to be handled around face, hunched posture.
Because rabbits are prey animals that mask illness, dental disease is often advanced before owners notice — routine veterinary checks with oral examination are important for early detection.
Prevention: Diet is Key
Hay and grass must form 80-90% of a rabbit's diet. Long-fibre hay (Timothy, meadow hay, or equivalent) requires extensive grinding that maintains appropriate dental wear. Pellets, mixed muesli-type foods, and vegetables provide inadequate fibre for dental health — they should be supplements, not the base of the diet. Unlimited fresh hay, changed daily to maintain palatability, is the single most important welfare intervention for rabbit dental health.
Treatment
Dental disease treatment involves dental examinations under general anaesthetic (rabbits cannot open their mouths wide enough for awake dental assessment), filing of sharp cheek tooth spurs, extraction of irreversibly damaged teeth, and antibiotic treatment for abscesses. Many rabbits require regular (every 3-6 month) dental procedures throughout their lives once disease is established — highlighting the importance of prevention over treatment.