Evaluation of an improved orthognathic articulator system: 1. Accuracy of cast orientation

Abstract A systematic study was carried out using plastic model skulls to quantify the accuracy of the transfer of face bow registration to the articulator. A standard Dentatus semi-adjustable articulator system was compared to a purpose built orthognathic articulator system by measuring the maxilla...

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Bibliographic Details
Published in:International journal of oral and maxillofacial surgery 2012-02, Vol.41 (2), p.150-154
Main Authors: Paul, P.E, Barbenel, J.C, Walker, F.S, Khambay, B.S, Moos, K.F, Ayoub, A.F
Format: Article
Language:English
Subjects:
Articulator
Biological and medical sciences
Cephalometry - methods
Dental Articulators - standards
Dental Articulators - statistics & numerical data
Dental Impression Technique
Dental Models - standards
Dental Models - statistics & numerical data
Dental Occlusion, Centric
Dentistry
Equipment Design
Face bow
Humans
Jaw Relation Record - instrumentation
Mandible - anatomy & histology
Maxilla - anatomy & histology
Medical sciences
Models, Anatomic
Orthognathic surgery
Orthognathic Surgical Procedures - instrumentation
Otorhinolaryngology. Stomatology
Patient Care Planning
Planning
Skull - anatomy & histology
Surgery
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Summary:Abstract A systematic study was carried out using plastic model skulls to quantify the accuracy of the transfer of face bow registration to the articulator. A standard Dentatus semi-adjustable articulator system was compared to a purpose built orthognathic articulator system by measuring the maxillary occlusal plane angles of plastic model skulls and of dental casts mounted on the two different types of articulators. There was a statistically significant difference between the two systems; the orthognathic system showed small random errors, but the standard system showed systematic errors of up to 28°.
ISSN:0901-5027
1399-0020
DOI:10.1016/j.ijom.2011.09.019