The Thermal Influence of Oral Rehabilitation on the Cranio-Cervico-Mandibular Complex: A Thermographic Analysis

André Moreira, Ricardo Batista, Susana Oliveira, Joaquim Mendes, Margarida Sampaio-Fernandes and Maria Helena Figueiral
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André Moreira: Department of Prosthodontics, Faculty of Dental Medicine, University of Porto, 4200-393 Porto, Portugal
Ricardo Batista: Department of Prosthodontics, Faculty of Dental Medicine, University of Porto, 4200-393 Porto, Portugal
Susana Oliveira: Department of Prosthodontics, Faculty of Dental Medicine, University of Porto, 4200-393 Porto, Portugal
Joaquim Mendes: INEGI, Department of Mechanics, Faculty of Engineering, University of Porto, 4200-465 Porto, Portugal
Margarida Sampaio-Fernandes: Department of Prosthodontics, Faculty of Dental Medicine, University of Porto, 4200-393 Porto, Portugal
Maria Helena Figueiral: INEGI, Department of Prosthodontics, Faculty of Dental Medicine, University of Porto, 4200-393 Porto, Portugal

IJERPH, 2021, vol. 18, issue 19, 1-10

Abstract: Purpose: Assess the thermal effect of prosthodontic treatment on the cranio-cervico-mandibular complex using infrared thermography. Methods: The treatment group was composed of adults of both sexes who underwent a prosthodontic treatment in which at least posterior occlusal contacts were added and/or the vertical dimension of occlusion was reestablished. The control group (CG) was constituted of adult subjects of both sexes, with no more than a single missing posterior tooth, excluding third molars. Thermograms were taken of the treatment group with a Flir i7 IR camera both before oral rehabilitation (TGB; n = 33) and two months after treatment was concluded (TGA; n = 19). CG ( n = 33) had only one occasion for data acquisition. Results: Statistically significant differences were found when the thermal difference (?T) and the health status of the orbicularis oris muscle were compared between the TGB and the TGA groups ( p = 0.020 and p = 0.003, respectively). By comparing the health status of the masseter muscle between the CG and TGB, statistically significant differences were also observed ( p = 0.030). Conclusion: A prosthodontic treatment appears to have a minimum or null effect on the ?T and/or on the health status of the TMJ and the temporal muscle. In contrast, orbicularis oris muscles exhibited significant thermal variations.

Keywords: cranio-cervico-mandibular complex; infrared thermography; oral prostheses; oral rehabilitation; prosthodontic (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2021
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