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A Thermal Imaging Camera as a Diagnostic Tool to Study the Effects of Occlusal Splints on the Elimination of Masticatory Muscle Tension

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Publicado en:Dentistry Journal vol. 13, no. 7 (2025), p. 313-328
Autor principal: Lietz-Kijak Danuta
Otros Autores: Garstka, Adam Andrzej, Szczucka Lidia, Ardan Roman, Brzózka-Garstka Monika, Skomro Piotr, D’Arcangelo Camillo
Publicado:
MDPI AG
Materias:
Michigan
United States > US
Temperature distribution
Accuracy
Blood flow
Muscles
Thermography
Cameras
Medical imaging
Thermal imaging
Electromyography
Splints
Heat detection
Infrared imaging
Temporomandibular joint disorders
Mastication
Hypotheses
Temperature
Hypothermia
Muscle contraction
Dentistry
Muscle function
Biomechanics
Acceso en línea:Citation/Abstract
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Resumen:Medical Infrared Thermography (MIT) is a safe, non-invasive technique for assessing temperature changes on the skin’s surface that may reflect pathological processes in the underlying tissues. In temporomandibular joint disorders (TMDs), which are often associated with reduced mobility and muscle overactivity, tissue metabolism and blood flow may be diminished, resulting in localized hypothermia. Aim: The purpose of this study was to evaluate muscle tone in the masseter, suprahyoid, and sternocleidomastoid muscles following the application of two types of occlusal splints, a Michigan splint and a double repositioning splint, based on temperature changes recorded using a Fluke Ti401 PRO thermal imaging camera. Materials and Methods: Sixty dental students diagnosed with TMDs were enrolled in this study. After applying the inclusion and exclusion criteria, participants were randomly assigned to one of two groups. Group M received a Michigan splint, while group D was treated with a double repositioning splint. Results: The type of occlusal splint influenced both temperature distribution and muscle tone. In the double repositioning splint group, temperature decreased by approximately 0.8 °C between T1 and T3, whereas in the Michigan splint group, temperature increased by approximately 0.7 °C over the same period. Conclusions: Occlusal splint design has a measurable impact on temperature distribution and muscle activity. The double repositioning splint appears to be more effective in promoting short-term muscle relaxation and may provide relief for patients experiencing muscular or myofascial TMD symptoms.
ISSN:2304-6767
DOI:10.3390/dj13070313
Fuente:Health & Medical Collection