Rapid Occlusal Management In Class Ii High-Angle Open Bite

Class II high-angle patients always exhibit biomechanical imbalances due to steep mandibular plane angles and elevated facial height. This leads to restricted vertical growth, anteriorly inclined occlusal planes, excessive posterior occlusal loading. This biomechanical imbalance accelerates posterior wear and perpetuates the "wear-open bite aggravation" cycle. A 21-year-old male presented with anterior open bite and severe posterior attrition, impairing mastication, speech, and aesthetics. Initial management included selective occlusal adjustment and occlusal surface resin-repair to relocate the mandible, achieving immediate closure of anterior open bite. A maxillary functional appliance with a lingual shield was customized to stabilize the mandibular position. At 2-week follow-up, the patient reported significant improvements in incisal function, speech clarity, aesthetics and masticatory efficiency. Three-month evaluation confirmed stable condylar repositioning (centralized within the glenoid fossa) and optimized occlusal-joint-neuromuscular harmony. This case utilized mandibular relocation guided by TMJ adaptation, vertical dimension compensation, and occlusal plane adjustment. Occlusal guidance on maxillary first molars, premolars, and canines stabilized the relocated jaw position, while the functional appliance eliminated parafunctional habits. Active tongue and masticatory muscle training reinforced neuromuscular adaptation. Occlusal plane control through biomechanically guided occlusal adjustments and interim occlusal surface reconstructed by resin offers a rapid, minimally-invasive strategy for Class II high-angle open bite. This approach restores functional aesthetics, protects TMJ, and serves as a preparatory phase for definitive orthodontic or prosthetic rehabilitation. Multidisciplinary integration of biomechanical analysis and adaptive occlusal design is critical for long-term stability.