Question 52 (part 2) · LDEK · Classification of periodontal diseases

A 50-year-old, generally healthy, non-smoking patient presents for treatment. Clinical examination revealed presence of 32 teeth with small amount of supra- and subgingival calculus, loss of connective tissue attachment on approximal surfaces of teeth, not exceeding 4 mm in all teeth, as well as gingival pockets of depth up to 5mm at molars and premolars. Radiographic bone loss was up to 20% of root length. The symptoms indicate:

  1. A. stage I, grade A periodontitis, localised.
  2. B. stage I, grade B periodontitis, generalised.
  3. C. stage II, grade A periodontitis, generalised.
  4. D. stage II, grade B periodontitis, generalised.
  5. E. stage II, grade B periodontitis, localised.
Hint

Stage from interdental CAL and bone loss, grade from %bone loss divided by age, extent from the share of teeth affected.

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