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Extraction in Orthodontics
General guidelines about extraction based on classification of occlusion.
Extraction varies case to case , but in more than 80% of cases, we follow same guidelines.
Class 1 bimax and cases with severe crowding - All 4 1st premolar extraction.
Class 2 div 1 - Maxillary both 1st premolar extraction. OR
Upper both premolar and one lower incisor. {Central or lateral incisor.}
Class 2 div 2 - Most of the time,ni extraction requires.
Class 2 div 1 subdivision - Maxillary both premolar extraction and lower premolar extraction on the side of class 1.
Class 2 div 2 subdivision - No extraction.
Class 3 .-
It is based on severerity of malocclusion.
Mild cases requires one lower incisor extraction.
Class 3 bimax requires all 4 premolar extraction.
For severe class 3, orthognathic surgery is needed.
Note - These are just to help you to get a rough idea about extraction in orthodontic. It's no way a blueprint for case management.
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"tips toward professional dental practice"
BY Dr.salah khalaf
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