Centric relation: a comparison of muscle-determined position and operator guidance
| Autor: | E.H. Williamson, R.M. Steinke, T.R. Swift, P.K. Morse |
|---|---|
| Rok vydání: | 1980 |
| Předmět: |
Adult
Male Dental Occlusion Centric Dental Articulators Electromyography Condyle Dental Occlusion Position (vector) medicine Humans Zinc Oxide-Eugenol Cement General Dentistry Mathematics medicine.diagnostic_test Dental occlusion Significant difference Mandibular Condyle Jaw Relation Record Centric relation Anatomy Biting Waxes Masticatory Muscles Female |
| Zdroj: | American journal of orthodontics. 77(2) |
| ISSN: | 0002-9416 |
| Popis: | Fifteen subjects were used to determine direction and magnitudes of shifts in condylar position when interocclusal records were made by biting hard or easy on a leaf gauge or wax. Electromyographic recordings were made of the temporal and masseter muscles during interocclusal registrations to determine which muscles were most active in seating the condyle when the leaf gauge was used. Results indicated no significant difference in condylar position superoinferiorly between registrations. Biting hard on a leaf gauge caused a significantly more posterior position of the condyle. When this technique is used for obtaining interocclusal registrations, the temporal muscles are more active than the masseters. |
| Databáze: | OpenAIRE |
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