Excursive Movements Flashcards Preview

NBDE Dental Anatomy > Excursive Movements > Flashcards

Flashcards in Excursive Movements Deck (14):
1

When the mandible moves from Centric Occlusion to, edge to edge, the condyles move ______ and _____

Forward and downward

2

The non-working condyle moves _____,_____, and ______

Non working condyles move downward, forward and medial

3

Anterior guidance plays the greatest role in_____

Discluding the posterior teeth in latero-protrusive

4

During NON masticatory swallowing describe the teeth relation

Teeth are in contact in intercuspal position

5

What determines intercuspal position

Tooth contact

6

Centric relation is a ______ position

Centric Occlusion is a _____ position

  • Centric Relation--> ligament guided position
  • Centric occlusion--> tooth guided position

7

In Posslets envelop the most superior point represents?

Maximum intercuspal position= Centric Occlusion

8

When the mandible moves from CO to edge to edge the condyles move ____, ___

Forward and downward

9

Bennet Movement is

2 diff deff

Occurs during

The side shift of the mandible 

Bodily shift of the mandible toward the working condyle

Occurs during the earliest stage of lateral movment

10

Postral Position

Definition

  • Physiological rest position 
  • 2-4 mm below ICP/CP on Posselts
  • NOT a border position

11

What controls the postral position

What if you move from PP to CO

  • Determined by mandible musculature
  • Moving from PP to CO
    • Use anterior fibers of temporalis 
    • You are elevating the mandible (closing the mouth)

12

Curve of Spee Definition

The anterior-posterior curvature of the occlusal surfaces as seen in a facial/buccal view

Think of Weee going down a slide

13

Overjet definition

Horizontal overlap

14

Overbite definition

Vertical overlap