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Am J Vet Res. 1998 Jun;59(6):686-91.

Diagnostic value of full-mouth radiography in dogs.

Author information

1
Department of Surgical and Radiological Sciences, School of Veterinary Medicine, University of California, Davis 95616, USA.

Abstract

OBJECTIVE:

To determine the diagnostic value of full-mouth radiography in dogs.

SAMPLE POPULATION:

Prospective series of 226 dogs referred for dental treatment without previous full-mouth radiographic views being available.

PROCEDURE:

In a prospective nested case-control analysis of multiple outcomes in a hospital cohort of dogs presented for dental treatment, full-mouth radiographic views were obtained prior to oral examination and charting. After treatment, clinical and radiographic findings were compared, with reference to presenting problems, main clinical findings, additional information obtained from the radiographs, and unexpected radiographic findings. The importance of the radiographic findings in therapeutic decision-making was assessed.

RESULTS:

The main clinical findings were radiographically confirmed in all dogs. Selected presenting problems and main clinical findings yielded significantly increased odds ratios for a variety of other conditions, either expected or unexpected. Radiographs of teeth without clinical lesions yielded incidental or clinically important findings in 41.7 and 27.8% of dogs, respectively, and were considered of no clinical value in 30.5%. Radiographs of teeth with clinical lesions merely confirmed the findings in 24.3% of dogs, yielded additional or clinically essential information in 50.0 and 22.6%, respectively, and were considered of no value in 3.1%. Older dogs derived more benefit from full-mouth radiography than did younger dogs. Incidental findings were more common in larger dogs.

CLINICAL RELEVANCE:

Diagnostic yield of full-mouth radiography in new canine patients referred for dental treatment is high, and the routine use of such radiographs is justifiable.

PMID:
9622735
[Indexed for MEDLINE]

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