Orthodontics — Key differences for NEET MDS
Twin Block = most popular functional appliance. Activator = Andresen = most studied. Frankel = vestibular shield = functional regulator. Bionator = modified activator by Balters. Herbst = fixed functional appliance. Jasper Jumper = flexible fixed functional. All work by mandibular advancement in Class II.
📖 Read full notes →Most common relapse = lower anterior crowding. Bonded retainer = permanent fixed retainer. Hawley retainer = removable with labial bow. Circumferential supracrestal fiberotomy prevents rotational relapse. Vacuum formed retainer = Essix = clear overlay. Relapse causes: late mandibular growth, soft tissue pressure, periodontal fiber recoil.
📖 Read full notes →NEET MDS frequently tests the ability to differentiate between related topics. Understanding the key differences between Functional Appliances and Retention & Relapse in Orthodontics is crucial for scoring well. Questions may test diagnostic features, treatment approaches, or characteristic findings.