Dental After examining a patient for periodontal problem using Russets index you have a meanscore of 3. It indicates: A Established periodontal disease, which is reversible B Established periodontal disease that is irreversible C Beginning of periodontal disease D Terminal periodontal disease 💡 Explanation After examining a patient for periodontal problem using Russets index you have a meanscore of 3. It indicates: ✓ Correct Answer: B. Established periodontal disease that is irreversible