Ortho vs Perio — Key differences for NEET MDS
Class I = normal molar relationship crowding anterior. Class II Division 1 = proclined upper incisors overjet increased. Class II Division 2 = retroclined upper incisors deep bite. Class III = mesial lower molar anterior crossbite prognathism. Key is UPPER FIRST MOLAR to LOWER FIRST MOLAR relationship. Dewey-Anderson modification of Class I.
📖 Read full notes →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.
📖 Read full notes →NEET MDS frequently tests the ability to differentiate between related topics. Understanding the key differences between Angles Classification and 2017 Periodontal Classification in Ortho vs Perio is crucial for scoring well. Questions may test diagnostic features, treatment approaches, or characteristic findings.