Fig. 5From: Adjunctive treatment of chronic migraine using an oral dental device: overview and results of a randomized placebo-controlled crossover studyCorrected NTI protocol. By maintaining incisor edge contact and preventing canine or posterior tooth contact during the parafunctional acts, the properly-aligned NTI keeps both the muscle contraction intensity and strain on the distracted temporomandibular joint to a minimumBack to article page