The efficacy of alveolar-decortication to reduce treatment time for orthodontic alignment of palatally impacted canines

Bussell, Mary Alice (2012). The efficacy of alveolar-decortication to reduce treatment time for orthodontic alignment of palatally impacted canines. University of Birmingham. M.Phil.

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Abstract

AIM
To investigate the efficacy of alveolar-decortication, in addition to surgical eposure, in reducing the time taken to align palatally impacted canines.

NULL HYPOTHESIS
There is no difference in the velocity of tooth movement, whilst aligning an impacted canine, following the conventional or alternative surgical technique.

DESIGN
Prospective Parallel Group Randomised Controlled Clinical Trial.

METHOD
Ethical approval was obtained. Participants were randomly allocated to control or test groups. Measurements to record the distance from the tip of the canine to the line of the dental arch, and the time to various clinical endpoints were recorded to determine the velocity of tooth movement. Any pain and adverse events were recorded.

RESULTS
29 subjects participated. The addition of alveolar-decortication reduced the time to eruption, which was 34 and 21 weeks in the control and test groups respectively. There was little difference in the velocity from impaction to line of the arch, at 0.39mm/wk and 0.35mm/wk in the control and test groups. Alveolar-decortication is not associated with additional pain or discomfort.

CONCLUSIONS
The use of alveolar-decortication does not reduce the treatment time to align palatally impacted canines. Alveolar-decortication does not increase the duration of surgery, and is not associated with increased pain or need for analgesics.

Type of Work: Thesis (Masters by Research > M.Phil.)
Award Type: Masters by Research > M.Phil.
Supervisor(s):
Supervisor(s)EmailORCID
Dietrich, ThomasUNSPECIFIEDUNSPECIFIED
Licence:
College/Faculty: Colleges (2008 onwards) > College of Medical & Dental Sciences
School or Department: School of Dentistry
Funders: None/not applicable
Subjects: R Medicine > R Medicine (General)
R Medicine > RK Dentistry
URI: http://etheses.bham.ac.uk/id/eprint/3837

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