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Sci Data. 2017 Nov 07;4:170168. doi: 10.1038/sdata.2017.168.

Jaw biodynamic data for 24 patients with chronic unilateral temporomandibular disorder.

José López-Cedrún, Urbano Santana-Mora, María Pombo, Amaya Pérez Del Palomar, Víctor Alonso De la Peña, María Jesús Mora, Urbano Santana

Affiliations

  1. Oral and Maxillofacial Surgery Service, University Hospital of La Coruña, 15006 La Coruña, Spain.
  2. Department of Surgery and Medical-Surgical Specialties of the University of Santiago de Compostela, Santiago de Compostela, 15782 La Coruña, Spain.
  3. Biomaterials Group, Aragon Institute of Engineering Research, University of Zaragoza, 50018 Zaragoza, Spain.
  4. Oral and Maxillofacial Surgery Service, University Hospital of Santiago de Compostela, Santiago de Compostela, 15706 La Coruña, Spain.

PMID: 29112190 PMCID: PMC5674825 DOI: 10.1038/sdata.2017.168

Abstract

This study assessed 24 adult patients, suffering from severe chronic unilateral pain diagnosed as temporomandibular joint (TMJ) disorder (TMD). The full dentate patients had normal occlusion and had never received an occlusal therapy, i.e., were with natural dental evolution/maturation. The following functional and dynamic factors were assessed: (1) chewing function; (2) TMJ remodeling or the condylar path (CP); and (3) lateral jaw motion or lateral guidance (LG). CPs were assessed using conventional axiography, and LG was assessed by K7 jaw tracking. Seventeen (71%) of the 24 (100%) patients consistently showed a habitual chewing side. The mean (standard deviation [SD]) of the CP angles was 47.90 (9.24) degrees. The mean (SD) of the LG angles was 42.95 (11.78) degrees. Data collection emerged from the conception of a new TMD paradigm where the affected side could be the habitual chewing side, the side with flatter lateral jaw motion or the side with an increased CP angle. These data may lead to improved diagnosis, therapy plans and evolution in TMD patients.

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