Temporomandibular joint (TMJ) arthroscopy, a diagnostic and therapeutic procedure involving the introduction of a small-calibre optical scope into the joint compartments for the treatment of internal derangement, has been gaining prominence and is now being recommended as the first therapeutic option due to the good results obtained and minimal invasiveness. However, the technical difficulty, high cost, need for specific instruments, and video tower system remain limiting factors for the implementation of TMJ arthroscopy by practicing professionals. The objective of this study was to examine the possibility of using a smartphone optical adaptation platform in TMJ arthroscopy. Ten qualified examiners with different levels of expertise in TMJ arthroscopy located four points of interest in the upper TMJ compartment of a validated realistic simulator and assessed the resolution of the images obtained and ergonomics of the smartphone platform for each point of interest, assigning a score of 0-2 (0 = poor, 1 = intermediate, and 2 = good performance in comparison to the video tower). For image quality, 77.5% of scores were 'good', while 22.5% were 'intermediate'. For ergonomics, 62.5% of scores were 'good' and 37.5% were 'intermediate'. In conclusion, the platform appears to be safe for TMJ arthroscopy in humans.
Keywords: Arthroscopy; Minimally invasive surgical procedures; Simulation training; Smartphone; Temporomandibular joint; Video-assisted techniques and procedures.
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