Equine Dentistry: General Principles Hypsodont Reserve crown Elliptical mastication pattern Wear pattern: Results in sharp enamel points. Buccal aspect (upper) Lingual aspect (lower)
Triadan Numbering System 100’s = Right maxilla 200’s = Left maxilla 300’s = Left mandible 400’s = Right mandible Incisors = 1,2,3 Canines = 4 Wolf teeth = 5 Premolars = 6, 7, 8 Molars = 9, 10, 11
Upper R Cheek Upper incisors Upper L Cheek Lower R Cheek Lower Incisors Lower L Cheek
Dental Examination Visually inspect: Prior to rinsing mouth After rinsing mouth Digitally palpate: Individual teeth Gingiva Palate Tongue Record findings on a standard form
Clues your horse may be having dental problems: Performance habits Head tilt Head tossing Refusing the bit Eating habits Quidding-(dropping food) Slow, deliberate mastication Exaggerated tongue movement
More dental problem clues: Change in fecal character Increase in fiber length Whole grain in feces Weight loss Poor body condition Facial asymmetry Unilateral nasal discharge Halitosis
Dental Examination: Juvenile Age: 6 months to 7 years Incisors Check occlusion Inspect eruption pattern Canines erupting at this age. Premolars: Look for wolf tooth. Inspect for caps. Periodontal disease Molars Inspect eruption pattern. Exam frequency: semiannual
Incisors Age: 7 - 15 years Inspect for: Injury or damage Supernumerary teeth Missing incisors Misalignment Wear pattern
Age: 7 – 15 years Check Canine teeth for: sharp points tartar
Age: 7 – 15 years Premolar and molar teeth-check for: Enamel points (odontophytes) Occlusion abnormalities Hooks and ramps Unopposed teeth Wave/Shear mouth Exam frequency - Annually
Dental Examination: Geriatric Age: 15 years and older Premolar and molar teeth: Periodontal disease o Most common condition affecting horse > 15 years of age Gingival recession Molar cupping Wearing of infundibular enamel Dental caries Tooth root abscess Tooth loss Exam Frequency -semiannual
Dental Equipment Chemical restraint Dental halter Speculum Xylazine Detomidine Butorphanol Dental halter Speculum Full-mouth Wedge Light source Floats/Motorized instruments Elevators/Extractors Perineural anesthesia