Class III Malocclusion

Class III Malocclusion

What are the different possible combination of class 3 malocclusion? Write probable etiological factors for development of class 3 malocclusion.
Answer.

“Common challenges in diagnosing and treating Class III malocclusion”

Possible combination of Class 3 malocclusion

• Class 3 Molar relation: Mesiobuccal cusp of maxillary first permanent molar occlude with interdental space between mandibular first and second permanent molars.
• Class 3 Canine relation: Maxillary canine occludes with interdental space between mandibular fist and second premolars.
• Class 3 subdivision: In this class 3 molar relation is present over one side with normal molar relation to other side.
• True Class 3: It is a skeletal malocclusion. Causes are prognathic mandible, retrognathic maxilla, combination of both
• Pseudo Class 3:

“Understanding the role of Class III malocclusion in orthodontics”

• • It occurs because of occlusal prematurities, when the mandible moves from rest to occlusion, it slide forward into pseudo class 3 malocclusion.
  • In rest position patient show normal molar relationship.
  • In centric relation, such patients show Class 3 relationship.

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