Influence of “boil and bite” mouthguards usage by mixed martial arts athletes on the stomatognatic system

Introduction.The most used type of intra-oral protective splint is a "boil and bite" mouthguard -an appliance adapted by the athlete directly in the oral cavity after its plasticization with hot water.According to the literature, they may have inadequate size and retention.Aim of the study.To evaluate the influence of "boil and bite" mouthguards used by mixed martial arts professionals on the stomatognathic system.Material and methods.Seventeen male combat sports competitors, professionally training mixed martial arts (MMA) with the "boil and bite" mouthguards were examined.Medical interview and dental examination were performed.The participants answered questions concerning the habits of mouthguard's use, problems or dysfunctions in the head and mouth area, and maxillofacial trauma which occurred during martial arts training.Results.The average participant was 27.16 years old (M: 24; SD: 8.67) and had a training experience of 7.94 years (M: 4; SD: 9.07).76.48%