Exclusion criteria

PSG revealing patients with severe OSASubjects who refuse to cooperatePatients who have been diagnosed with advanced periodontitisThe arches are fully edentulous, or there are not enough teeth left in the arches to keep the appliance in placePatients who have been diagnosed with temporomandibular joint problemsPatients who have been diagnosed with airway blockagePatients having a maximum protrusion of less than 6 mm are referred to as “minimal protrusion” patients