32. Lingual plate with inclined plane-indication, design, mode of action

Question 1

Lingual plate with inclined plane

Answer 1

• Tooth-borne active functional appliance=>
• In Maxilla provides=>mesial protraction of mandible=>
• Correction of class II malocclusion

Question 2

Indications for lingual plate with inclined plane

Answer 2

• Class I molar relationships=>
• Adjust distal and mesial occlusion
• Class II malocclusions=>
• Guide lower jaw forward
• Class III malocclusions=>
• Retraction of mandible to achieve edge-to-edge bite

Question 3

Specific requirements for inclined plane in lingual plate appliance

Answer 3

• Smooth surface without notches=>mandibular teeth slide smoothly
• Adequately extended=>lower anterior teeth don’t occlude in front of inclined plane
• Slenderized lingually=>free space for tongue