PubMed · 8135224
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W S Kirk. 1994. Comments on mandibular condyle position.. https://pubmed.ncbi.nlm.nih.gov/8135224/
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STATEMENT OF PROBLEM: A significant number of patients exist who are in need of prosthodontic rehabilitation and who at the same time report musculoskeletal pain in the facial area. PURPOSE: This article, which is based on an assessment of both the past and the most recent basic science and clinical literature, evaluates the effect of musculoskeletal facial pain on two static (physiologic rest position and centric relation) and two dynamic (protrusive border and lateral border movements) maxillomandibular relationships. MATERIAL AND METHODS: To find the relevant studies addressing the association between musculoskeletal facial pain and maxillomandibular relationships, a MEDLINE search was conducted, which was complemented by a hand search in selected journals. RESULTS AND CONCLUSIONS: Musculoskeletal facial pain seems to variably affect the aforementioned positions and movements. Hence, the validity of maxillomandibular registrations in patients with existing facial pain is questioned. In those patients with facial pain who simultaneously are in need of a prosthodontic rehabilitation, clinicians should be cautious with regard to the timing of the restorative procedures.
Restoration of the edentulous maxilla with implant retained and supported prosthesis is challenging because of inherent anatomic limitations present after the loss of teeth. A fixed-removable prosthesis is one treatment choice for restoration of the edentulous maxilla with implants. This prosthesis meets the requirements for esthetics, phonetics, comfort, and hygiene, as well as favorable biomechanical stress distribution to the implants. This article presents a procedure for fabrication of a fixed-removable prosthesis with a precision milled bar, Hader clip attachments, and a superstructure prosthesis. The criteria for patient selection and the advantages and disadvantages of this prosthesis are discussed.
STATEMENT OF PROBLEM: Centric relation has often been mentioned as a repeatable condylar position. PURPOSE OF STUDY: This study was designed to determine whether a standardized method of achieving centric relation would be repeatable within the 0.11 mm tolerance of the Denar Centri-Check instrument. MATERIAL AND METHODS: A control group of 132 dentists and an experimental group of 11 dentists all made interocclusal records on the members of the experimental group. The control group used its "own best method" for achieving centric relation and the experimental group received standardized instruction and used a standardized technique of bimanual manipulation to achieve centric relation. RESULTS: The control group did not repeat condylar position within the 0.11 mm tolerance of the Denar Centri-Check instrument, whereas the experimental group did repeat condylar position within the 0.11 mm tolerance of the Denar Centri-Check instrument in 106 of 110 first attempts and in 4 of 4 second attempts. CONCLUSION: Given the extreme variations in recording centric relation, a stronger emphasis should be placed on this important skill in both undergraduate and postgraduate education.