Periodontology • NEET MDS
Stage I mild = 1-2mm CAL.
Stage II moderate = 3-4mm CAL.
Stage III severe = 5mm+ CAL.
Stage IV very severe = extensive tooth loss.
Grade A slow = no evidence of progression.
Grade B moderate = matches disease.
Grade C rapid = exceeds expectations risk factors smoking diabetes.
Replaces aggressive and chronic periodontitis terminology.
Use these mnemonics during your revision. The key associations above are designed to help you recall 2017 Periodontal Classification concepts instantly during the exam. Focus on the “equals” associations — these are the most commonly tested patterns in NEET MDS.