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Bi-maxillary Protrusion: An Orthodontic Management
N K Chaudhary1, J Giri2, R Gyawali2
1Department Dental, Hetauda Hospital, Hetauda, Nepal.
Kathmandu University Medical Journal (KUMJ)
|October 5, 2023
Summary
Bi-maxillary protrusion, characterized by forwardly placed teeth, can be successfully treated with orthodontic intervention. This case study highlights effective management through premolar extraction and absolute anchorage for incisor retraction.
Area of Science:
- Dentistry
- Orthodontics
Background:
- Bi-maxillary protrusion involves protrusive and proclined incisors, causing lip strain upon closure.
- Patients often present with skeletal Class II and Angle Class I malocclusions.
Purpose of the Study:
- To present a case of bi-maxillary protrusion managed orthodontically.
- To demonstrate the efficacy of premolar extraction and absolute anchorage in treating this condition.
Main Methods:
- Extraction of all first premolars.
- Incisor retraction utilizing absolute anchorage.
- Evaluation of lip closure and incisor position post-treatment.
Main Results:
- Successful retraction of upper and lower incisors by 3 mm and 3.5 mm, respectively.
- Achieved strain-free lip closure.
- Correction of the protrusive and proclined incisor presentation.
Conclusions:
- Bi-maxillary protrusion can be effectively managed with orthodontic treatment.
- Absolute anchorage is crucial for successful incisor retraction in these cases.
