Document Detail


Orthodontic treatment following orthognathic surgery: how long does it take and why? A retrospective study.
MedLine Citation:
PMID:  17884524     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
PURPOSE: This study was conducted to examine the duration of postoperative orthodontic treatment of patients who underwent combined orthodontic and orthognathic treatment and investigate factors that might influence this, to assess the strength of association between preoperative and postoperative orthodontic treatment duration, and to perform a retrospective power calculation to assess the likelihood of this study detecting a clinically significant (weeks) difference. PATIENTS AND METHODS: Records of patients who had undergone combined orthodontic and orthognathic treatment between 1998 and 2003 (n = 69) were obtained from 3 consultant orthodontists at 3 major hospitals in Leeds, UK. The duration of postoperative orthodontic treatment was calculated as the date of the operation to the date of fixed appliance removal. Variables investigated included patient age and gender, malocclusion, type of operation, presence of open bite, extractions (excluding third molars), hospital, operator, missed appointments/breakages and debonding, and retainer arrangements. RESULTS: The median duration of postoperative treatment was 7.5 months (range, 5 to 11 months). None of the variables clearly affected this duration; no correlation was found between preoperative and postoperative treatment times (r(s) = -.07; P > .05). A retrospective power calculation demonstrated a 57.5% likelihood of this study detecting a difference of 8 weeks between 2 groups. CONCLUSIONS: Patients should be informed that the postoperative orthodontic phase of combined orthognathic-orthodontic treatment may last approximately 5 to 11 months. No association was found between preoperative and postoperative treatment duration. Many more patients will have to be recruited to assess whether specific variables result in a clinically significant difference in treatment duration.
Authors:
Friederike Luther; David O Morris; Kiriakoula Karnezi
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of oral and maxillofacial surgery : official journal of the American Association of Oral and Maxillofacial Surgeons     Volume:  65     ISSN:  0278-2391     ISO Abbreviation:  J. Oral Maxillofac. Surg.     Publication Date:  2007 Oct 
Date Detail:
Created Date:  2007-09-21     Completed Date:  2007-11-05     Revised Date:  2007-11-15    
Medline Journal Info:
Nlm Unique ID:  8206428     Medline TA:  J Oral Maxillofac Surg     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1969-76     Citation Subset:  AIM; D; IM    
Affiliation:
Department of Orthodontics, Leeds Dental Institute, Leeds, UK. F.Luther@Leeds.ac.uk
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MeSH Terms
Descriptor/Qualifier:
Adolescent
Adult
Combined Modality Therapy
Episode of Care*
Female
Follow-Up Studies
Humans
Male
Malocclusion / classification,  surgery,  therapy*
Middle Aged
Oral Surgical Procedures / methods*,  statistics & numerical data
Orthodontics, Corrective / methods*,  statistics & numerical data
Patient Care Planning
Patient Satisfaction
Retrospective Studies
Statistics as Topic
Statistics, Nonparametric
Time Factors
Tooth Extraction / statistics & numerical data
Treatment Outcome

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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