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Centric relation-A biological perspective of a technical concept.

Daniele Manfredini1, Carlo Ercoli2, Carlo E Poggio2

  • 1School of Dentistry, Department of Biomedical Technologies, University of Siena, Siena, Italy.

Journal of Oral Rehabilitation
|July 2, 2023
PubMed
Summary

Centric relation (CR) lacks diagnostic support in dentistry and may be anatomically unsupported. However, CR can be pragmatically useful therapeutically in prosthodontics for maxillo-mandibular reference.

Keywords:
TMDcentric relationprosthetic dentistryprosthodonticstemporomandibular disorderstemporomandibular joint

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Area of Science:

  • Dentistry
  • Dental Occlusion
  • Temporomandibular Disorders

Background:

  • Centric relation (CR) is a highly debated concept in dentistry regarding its biological, diagnostic, and therapeutic utility.
  • Existing debates question the validity and application of CR in clinical practice.

Purpose of the Study:

  • To review current literature on the diagnostic and therapeutic applications of CR in dentistry.
  • To assess the evidence supporting CR recording methods for temporomandibular disorders and prosthodontic/orthodontic treatments.

Main Methods:

  • A comprehensive literature review was conducted.
  • Included clinical trials assessing CR recording methods for diagnostic and therapeutic uses.

Main Results:

  • No substantial literature supports the diagnostic use of CR for identifying temporomandibular joint condyle position.
  • CR can be pragmatically useful in prosthodontics as a maxillo-mandibular reference when maximum intercuspation is compromised.

Conclusions:

  • Diagnostic misuse of CR leads to circular reasoning in treatment goals.
  • The term 'Centric Relation' may be better replaced with 'Maxillo-Mandibular Utility Position'.