
Short‐term effects of NTI‐tss and Michigan splint on nocturnal jaw ...
· During jaw closure, lateral, and protrusive movements only the lower incisors contact the NTItss device (Karr Dental, 2019a). This study aimed to compare the effects of a Michigan splint and an NTItss device on the activity of the masseter muscle in patients diagnosed with sleep bruxism by means of electromyography (EMG).