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Intraoral films: 7 compelling reasons for every dental patient

According to industry estimates, less than 10 percent of small animal practices have dental radiograph units and of those, less than 10 percent take intraoral films on every dental case.

That equates to only 1 percent of the dogs and cats placed under general anesthesia for oral assessment, treatment and prevention (oral ATP) visits get the benefit of survey films.

Reasons given for not taking films include client resistance due to radiation exposure and additional fees, difficulty in exposing and processing films, film interpretation and the added anesthetic time. They are all valid reasons but not insurmountable with proper equipment, dedicated dental radiograph unit and digital sensor, training and client education. In an article published in the Journal of Veterinary Research, Dr. FJ Verstraete et al found that significant dental lesions were noted in 70 percent of the cases in dogs and approximately half of the cats studied.

Photo 1a: Dylan

Hopefully after reading these seven additional reasons to take intraoral films, some of the practitioners not taking dental films routinely will change their minds. All of these reasons came from my general practice from pets presented for teeth cleaning.

Reason 1: Dylan, a 7-year-old mixed dog, presented for an oral ATP visit. Physical examination showed a moderate amount of plaque and calculus. The right mandibular fourth premolar slightly overlapped the first molar. Full-mouth survey films revealed significant bone loss between the mesial root of the right mandibular first molar and the distal root of the third premolar.

Treatment consisted of exposing the area via gingival flap, curettage and placement of an osteoconductive material (ConsilĀ® Nutramax) with a guarded prognosis (Photos 1a, 1b and 1c).

Reason 2: During the initial assessment of Fred, a 4-year old Yorkshire Terrier, a right maxillary second incisor fracture was noted. Clinically, pulp exposure was not present. Full-mouth survey films revealed a 3-mm by 3-mm periapical lucency around the right maxillary second incisor extending to the third incisor. The fractured tooth was extracted (Photos 2a, 2b, 2c, 2d and 2e).

Reason 3: Marshmello, a 3-year-old Maltese, presented for an oral ATP visit. Assessment under anesthesia revealed slightly mobile right maxillary second and third premolars. Intraoral radiographs revealed deciduous teeth with greater than 75-percent bone loss. The affected teeth were extracted (Photos 3a, 3b and 3c).

Reason 4: Puggles a 5-year-old Pug presented for halitosis. Physical exam revealed gingival recession approaching the mucogingival line of the left maxillary fourth premolar and rotated second and third premolars. Intraoral radiographs revealed almost complete bone loss rostral to the mesial root of the left maxillary fourth premolar as well as support loss of the second and third premolars. The affected teeth were extracted (Photos 4a 4b and 4c).

Reason 5: A 2-year-old Basenji, Kody’s physical exam under anesthesia revealed slight inflammation and edema surrounding the right mandibular second molar. Intraoral films confirmed bone loss around the furcation as well as >50-percent bone loss around the mesial root. The mandibular second molar was extracted (Photos 5a, 5b and 5c).

Reason 6: Max, an 8-month-old Brussels Griffon, presented for neutering. Physical examination under anesthesia revealed a clinically missing right mandibular first premolar. Intraoral radiographs revealed a rostrally impacted first premolar. To avoid a future dentigerous cyst and periodontal disease, the tooth was extracted via flap exposure (Photos 6a, 6b and 6c).

Reason 7: Buddy, an 8-year-old cat, presented for an oral ATP visit. Physical examination showed minimal inflammation surrounding the left mandibular third premolar. Intraoral radiographs revealed marked internal and external resorption. The tooth was extracted via flap exposure (Photos 7a, 7b and 7c).

By Dr. Jan Bellows

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