NTI Guards for TMD, Clenching and Grinding
What is the NTI?
The NTI-tss (Nociceptive Trigeminal Inhibition-Tension Suppression System) is a device approved by the US Food and Drug Administration (FDA) for the prevention and reduction of:
- pain caused by temporomandibular disorders (TMDs)
- bruxism
- occlusal trauma
It is a simple plastic appliance which is worn over the front upper or lower teeth to keep the back teeth apart.
It can be worn day or at night in times of high stress to reduce clenching and grinding, and their effects on your teeth and jaw muscles.
How does the NTI work?
The NTI reduces tooth clenching, grinding and pressure on the temporomandibular joint. In doing so, this leads to a reduction in hyperactivity of the trigeminal nerve, often triggering pain associated with the muscles supporting the lower jaw.
The objective of the NTI-TSS is to relax the muscles involved in clenching and mastication, thus diminishing the chances for pain to develop.
Additional information
Stapelmann H, Türp JC. The NTI-tss device for the therapy of bruxism, temporomandibular disorders, and headache – where do we stand? A qualitative systematic review of the literature. BMC Oral Health. 2008;8:22. Published 2008 Jul 29. doi:10.1186/1472-6831-8-22
Conti PC, Corrêa AS, Lauris JR, Stuginski-Barbosa J. Management of painful temporomandibular joint clicking with different intraoral devices and counseling: a controlled study. J Appl Oral Sci. 2015;23(5):529-535. doi:10.1590/1678-775720140438