Recognition of Equine Dental Pathology Flashcards
Describe the three types of malocclusions of equine teeth
Class 1 - individual tooth misaligned
Class 2 - distocclusion (parrot mouth, overjet)
Class 3 - prognathism (underjet, sow mouth)
What is the colloquial name for Campylorrhinis lateralis?
Shortening/deviation of premaxillary and maxillary bones
What normally occurs to prevent pulp exposure in the horse?
The normal deposition of secondary dentine by pulp odontoblasts
What does EOTRH stand for?
Equine odontoclastic tooth resorption and hypercementosis
What age of horses are usually affected by EOTRH and which teeth will it usually affect?
Affects horses over 15 years of age, predominantely a disease of the incisors and canines.
What is the only method of diagnosis of EOTRH?
Radiography
What is the reccomendation of treatment of EOTRH?
Extraction if mobile, fracture or painful on palpation
What is shear mouth?
Increased molar table angle
Which sides of the maxillary and mandibular cheeck teeth are usually affected?
Buccal margins of maxillary cheeck teeth and lingual margins of mandibular cheek teeth
What is the majority of periodontal disease associated with?
A diastema.
What is a diastema?
A space between two teeth, used in horses as a pathological term.
What is caries?
Destruction of calcified dental tissue with bacteria as a primary initiator of a chain of events.
What are the main two types of caries?
Peripheral and infundibular.
What are the four factors required for caries?
Tooth, substrate, plaque and bacteria
List two things that infundibular caries can lead to
Dental fracture and apical infection
Which system would you use to grade infundibular caries?
Honmer system
Which cells produce secondary dentine?
Odontoblasts
What is the mos common cause of septic pulpitis?
Anachoresis - blood borne infection
What is the mean age for horses to get septic pulpitis?
5-7 years
What are the clinical signs you would expect to see with the 3 rostral maxillary cheek teeth and septic pulpitis?
Maxillary swellings and sinus tracts
What are the clinical signs you would expect to see with the 3 caudal maxillary cheek teeth and septic pulpitis?
Nasal discharge
List two of the most common radiographic signs of an apical infection
Periapical sclerosis
Periapical halo formation
Where may antibiotics be considered for an apical infection?
Young horses in an acute stage - no occlusal signs, sudden face sweeling
Which jaw is it most common to see cheek teeth fractures in?
Maxillary
