Maxillofacial Abnormalities Clinical Trial
Official title:
Evaluation of the Perioperative Mandibular Positional Stability in Subjects With Dentofacial Deformity
The present study intends to clarify whether there is positional mandibular stability in patients to be submitted to orthognathic surgery. In case of any instability exists, it is needed to understand if this could be related to a particular type of dentofacial deformity or could have any short-term or long-term influence on outcomes of the orthognathic surgery.
Status | Completed |
Enrollment | 30 |
Est. completion date | June 2013 |
Est. primary completion date | February 2013 |
Accepts healthy volunteers | Accepts Healthy Volunteers |
Gender | Both |
Age group | N/A and older |
Eligibility |
Inclusion Criteria: - Dentofacial Deformity candidate to orthognathic surgery; - Systemically capable to be submitted to the orthognathic surgery. Exclusion Criteria: - Patient's health condition is not stable enough to guarantee uneventful outcome; - Required data unable to be achieved; - Patient not agreeing to participate to the study. |
Observational Model: Case-Only, Time Perspective: Prospective
Country | Name | City | State |
---|---|---|---|
Brazil | Hospital Geral Universitario | Cuiaba | Mato Grosso |
Lead Sponsor | Collaborator |
---|---|
University of Sao Paulo |
Brazil,
Bamber MA, Abang Z, Ng WF, Harris M, Linney A. The effect of posture and anesthesia on the occlusal relationship in orthognathic surgery. J Oral Maxillofac Surg. 1999 Oct;57(10):1164-72; discussion 1172-4. — View Citation
Perez D, Ellis E 3rd. Sequencing bimaxillary surgery: mandible first. J Oral Maxillofac Surg. 2011 Aug;69(8):2217-24. doi: 10.1016/j.joms.2010.10.053. Epub 2011 Feb 3. — View Citation
Posnick JC, Ricalde P, Ng P. A modified approach to "model planning" in orthognathic surgery for patients without a reliable centric relation. J Oral Maxillofac Surg. 2006 Feb;64(2):347-56. — View Citation
Turvey T. Sequencing of two-jaw surgery: the case for operating on the maxilla first. J Oral Maxillofac Surg. 2011 Aug;69(8):2225. doi: 10.1016/j.joms.2010.10.050. Epub 2011 Feb 3. — View Citation
Weffort SY, de Fantini SM. Condylar displacement between centric relation and maximum intercuspation in symptomatic and asymptomatic individuals. Angle Orthod. 2010 Sep;80(5):835-42. doi: 10.2319/090909-510.1. — View Citation
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Variability in mandibular position for different dental occlusion registrations | Centric occlusion, maximum intercuspation and occlusion under general anesthesia | Perioperative to orthognathic surgery | Yes |
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