Class III Malocclusion

Class III Malocclusion

Write short note on Angle’s class 3 malocclusion.
Answer.

Angle’s Class 3 Malocclusions

Class 3 molar relation: Mesiobuccal cusp of maxillary fist permanent molar occlude with interdental space between mandibular fist and second permanent molars.

Class 3 canine relation: Maxillary canine occludes with interdental space between mandibular first and second premolars.

Line of occlusion: It can or cannot be developed.

“Understanding the role of Class III malocclusion in orthodontics”

“Importance of studying Class III malocclusion for better treatment outcomes”

Other Features

• Anterior crossbite
• Posterior crossbite
• Maxillary anterior crowding.

Class 3 Subdivision

In this class 3 molar relation is present over one side with normal molar relation to other side.

“Role of genetics in causing Class III malocclusion”

True class 3: It is a skeletal malocclusion.

Causes are prognathic mandible, retrognathic maxilla, combination of both

Pseudo class 3:

• Pseudo class 3 occurs because of occlusal prematurities, when the mandible moves from rest to occlusion, it slide forward into pseudo class III malocclusion.
• In rest position patient show normal molar relationship.