Occlusal Splints in the Treatment of Sleep Bruxism

Inclusion Criteria: \- Healthy participants with complete permanent dentition. Exclusion Criteria: * Presence of a systemic disorder that could compromise the masticatory system (e.g., neurological disorders, epilepsy, cerebral palsy, among others), * Systemic disorder or current use of drugs that could interfere, directly or indirectly, with muscle activity, * Inappropriate behavior and/or refusal to cooperate with dental procedures and data collection, * Tooth loss (except for third molars), * Soft tissue abnormalities, * Toothache report, * Active periodontitis (presence of periodontal pockets involvement of the supporting tissues), * Caries lesions, * Use of orthodontic appliances, * Use of dental prosthesis (fixed or removable partial). * Subjects with moderate to severe malocclusions, diagnosed by using the Orthodontic Treatment Need Index (IOTN) (scores 5 or 6 - severe and extreme need for orthodontic treatment) * Alcohol or drug abuse,