Nance Appliance

The Nance button or Nance holding arch is a kind of plastic button that is positioned on the palate behind the upper incisors and is attached to strips on the 1st molars by means of stiff steel ...

Nervus

Latin for “nerve”

Neutral bite/eugnathia

The ideal occlusion of the upper and lower arches. The lower molars are placed a half premolar width in front of their antagonists and most of them have an ideal cusp-fossa-intercuspation. In ...

Neutral Occlusion

This term refers to the most common and functionally best denticulation of the upper and lower sets of teeth. With neutral occlusion, the lower 1st molars are about 3-4mm in front of the upper ones ...

Nickel Titanium

Nickel Titanium (NiTi) is an alloy made from nickel and titanium, which has been used more and more in orthodontics since the 1980’s, particularly in the manufacture of orthodontic wires but also ...

NiTi

See Nickel Titanium

Non-Occlusion

This term refers to an incorrect bite of the molars whereby the chewing surfaces of opposing teeth do not make any contact at all. In Germany this finding is also called “Scherenbiss” (= ...

NTI

NTI, NTIss = Nociceptive Trigeminal Inhibition Tension Suppression System, in German: „Schmerzhemmendes trigeminales Hemmungs- und Unterdrückungssystem“. It’s an occlusal splint with contact ...