What is protrusive occlusion?

[ prō-trōō′sĭv ] n. Occlusion that results when the lower jaw is protruded forward from its centric position.

What is protrusive interference?

Protrusive Interference: Contacts that occur between the distal aspects of the maxillary posterior teeth and the mesial aspect of the mandibular posterior teeth.

What is protrusive movement?

Medical Definition of protrusive 1 : thrusting forward protrusive movements of the jaw. 2 : prominent, protuberant a protrusive jaw.

What are the 3 types of occlusion?

Classification of the bite (occlusion) is divided into three main categories: Class I, II and III. This classification refers to the position of the first molars and the way in which the upper ones fit together with the lower ones.

What does Disclusion mean?

(obsolete) A shutting off; exclusion. quotations ▼ (dentistry) A separation of the teeth when the jaw is slightly opened. (dentistry) Especially, a separation of posterior teeth when the lower jaw moves forward, as a natural result of the alignment of the anterior teeth.

What is RCP and ICP?

RCP = Retruded contact position. ICP = Intercuspal position. Pr = Maximum protrusion. R = Maximal mandibular opening with the condylar heads in the reproducible retruded position but no antero-inferior condylar translation.

How do you record a protrusive bite?

A protrusive bite record is taken with Master wax with the mandible pushed forward into a protrusive movement so that the condyle has moved down the eminence. Out of the box, this wax has a little bit of give and needs to be made more malleable by warming it with a dental torch.

What is class 3 occlusion called?

Class 3 malocclusion, called prognathism or underbite, occurs when the lower jaw protrudes or juts forward, causing the lower jaw and teeth to overlap the upper jaw and teeth.

What are the classes of occlusion?

In order to better understand types of occlusion, it’s been broken down into three categories: Class 1, Class 2 and Class 3. Teeth are aligned in Cusp Fossa relationship with their antagonist teeth. This is noted as “NORMAL” occlusion. This is also known as the “standard” of occlusion and what we try to achieve.

What does Disocclusion mean?

disocclusion (countable and uncountable, plural disocclusions) (computer graphics) The situation where a previously occluded object becomes visible.