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AVDC Veterinary Dentistry study materials
AVDC Veterinary Dentistry study resources

AVDC Veterinary Dentistry: Small Animal Dentistry: Core Concepts, Traps, and a Worked Periodontal Case

AVDC Veterinary Dentistry · Work through your exam, one topic at a time.

All guide sections

Small Animal Dentistry: Core Concepts, Traps, and a Worked Periodontal Case

Framing the domain

Small animal dentistry questions reward a systematic grasp of oral anatomy, the periodontal and endodontic disease processes, and the logic of extraction versus preservation. Expect the exam to test whether you can classify disease, predict which tooth is affected, and choose the safest procedure.

Concepts you must own

  • Dental formulas and tooth identification. Know the permanent canine formula (42 teeth) and deciduous formula (28), and the modified Triadan system so you can name any tooth by quadrant and position.
  • Periodontal staging. Understand gingival index, probing depth, attachment loss, and furcation exposure, and how these map to Stage 1-4 disease. Remember that attachment loss, not pocket depth alone, defines severity.
  • Periodontitis as a disease of the attachment apparatus. Gingiva, periodontal ligament, cementum, and alveolar bone are the targets.
  • Endodontic disease. Recognize discolored, non-vital teeth, pulp exposure, and periapical lucency; distinguish reversible pulpitis from irreversible damage.
  • Extraction principles. Understand sectioning multi-rooted teeth, the role of a mucogingival flap, and why closure matters.
  • Oral pathology and imaging. Be able to describe common masses and interpret radiographs for bone loss, root resorption, and retained roots.

Classic traps

  1. Confusing a deep sulcus from gingival hyperplasia with true attachment loss.
  2. Assuming a discolored tooth is healthy because it is not painful.
  3. Treating a mobile tooth by extraction when the question asks about stabilization options.
  4. Forgetting that deciduous tooth retention can cause malocclusion and must be addressed.

Worked example

A dog presents with a probing depth of 6 mm on the mandibular first molar and 2 mm of gingival recession. Attachment loss equals pocket depth plus recession, so total loss is about 8 mm. That supports advanced staging and guides the plan: full-mouth radiographs, periodontal therapy, and consideration of extraction or advanced periodontal surgery depending on remaining support. Rule of thumb: always sum pocket depth and recession before you stage.