Int J Stomatol

Inter J Stomatol ›› 2019, Vol. 46 ›› Issue (1): 1-4.doi: 10.7518/gjkq.2019.01.001

• Expert Forum •     Next Articles

Repeatability of centric relation registration methods and their effect on concept development

Yang Liu()   

  1. State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Dept. of Temporomandibular Joint, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
  • Received:2018-05-20 Revised:2018-09-14 Online:2019-01-01 Published:2019-01-11
  • Contact: Yang Liu E-mail:liu@scu.edu.cn

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Abstract:

Centric relation (CR) is the most controversial concept in dentistry. The spatial relationship of the condyle within the fossae has been widely explored, however the author believes that studies should focus on the origin of the concept, which is, a favorable mandible position for developing occlusion that can maximize the function and health of the orofacial system. With numerous techniques to test mandible functions, an ideal CR can be found via a trial and error process, starting from a suitable and repeatable reference. The author developed a highly repeatable and convenient way to record the reference mandible position with favourable clinical outcomes and better repeatability than conventional highly skill sensitive methods by modifying the registration method of a previous reference position.

Key words: centric relation, reference position, repeatability, therapeutic position

CLC Number: 

  • R783.4

TrendMD: 

Tab 1

The internal variation of the condylar position between different registering methods among healthy volunteers under different registration methods mm"

方向 哥特式弓描记 双手诱导法 改良“下颌参考位”记录法
矢状向 2.03±1.77 3.02±1.59 0.78±1.25
垂直向 0.58±1.00 1.02±0.89 0.61±0.89
水平向 0.48±0.37 0.64±0.42 0.52±0.63

Fig 1

Improved method for recording mandibular reference position"

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