1) Potential problems caused by contact between appliance and antagonist tooth 2) Indications for eliminating the occlusal force 3) Blue resin, anterior bite plate, posterior bite block and twin block appliance
1) Transverse problem and malocclusion 2) Diagnostic methods for narrow upper arch 3) Classification according to posterior cross-bite and narrow upper arch, and their treatment methods
1) Types of Headgear and corresponding tooth movement 2) The reason why High pull headgear is not used 3) Cervical headgear 4) Class II differential diagnosis
1) Intrusion arch 2) Indications of Intrusion arch and differential diagnosis 3) Principle of Intrusion 4) Difference of intrusion by Mini screw vs. Double arch wires