Abstract：
:The purpose of this study was to evaluate skeletal and dental stability in patients who had temporomandibular joint (TMJ) reconstruction and mandibular counterclockwise advancement using TMJ Concepts total joint prostheses (TMJ Concepts Inc. Ventura, CA) with maxillary osteotomies being performed at the same operation. All patients were operated at Baylor University Medical Center, Dallas TX, USA, by one surgeon (Wolford). Forty-seven females were studied; the average post-surgical follow-up was 40.6 months. Lateral cephalograms were analyzed to estimate surgical and post-surgical changes. During surgery, the occlusal plane angle decreased 14.9+/-8.0 degrees. The maxilla moved forward and upward. The posterior nasal spine moved downward and forward. The mandible advanced 7.9+/-3.5 mm at the lower incisor tips, 12.4+/-5.4 mm at Point B, 17.3+/-7.0 mm at menton, 18.4+/-8.5 mm at pogonion, and 11.0+/-5.3 mm at gonion. Vertically, the lower incisors moved upward -2.9+/-4.0 mm. At the longest follow-up post surgery, the maxilla showed minor horizontal changes while all mandibular measurements remained stable. TMJ reconstruction and mandibular advancement with TMJ Concepts total joint prosthesis in conjunction with maxillary osteotomies for counter-clockwise rotation of the maxillo-mandibular complex was a stable procedure for these patients at the longest follow-up.
journal_name
Int J Oral Maxillofac Surgjournal_title
International journal of oral and maxillofacial surgeryauthors
Dela Coleta KE,Wolford LM,Gonçalves JR,Pinto Ados S,Pinto LP,Cassano DSdoi
10.1016/j.ijom.2008.11.024subject
Has Abstractpub_date
2009-02-01 00:00:00pages
126-38issue
2eissn
0901-5027issn
1399-0020pii
S0901-5027(08)00416-5journal_volume
38pub_type
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journal_title：International journal of oral and maxillofacial surgery
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journal_title：International journal of oral and maxillofacial surgery
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