Occlusion
Terms
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copy deck
- Define ?
- The static relationship between the incising or masticating surfaces of the maxillary or mandibular teeth or tooth analogs
- Define MIP?
- The complete intercuspation of the opposing teeth INDEPENDENT OF CONDYLAR POSITION
- Define CR?
- The Maxillo-Mandibular Relationship in which the condyles articulate w/ the thinnest avascular portion of there retrospective disks within the complex in the SUPERIOR position agaist the shapes of the articular eminences
- VDO means?
- Vertical Dimension of Occlusion
-
What are the working (functional) cusps?
HINT: Mandible is tucked in -
Buccal of Mandibular Teeth
Lingual of Maxillary Teeth - What are the non-working cusps
-
Lingual of Mandibular
Buccal of Maxillary -
Natural vs. Denture
1)No proprioception from the PDL
2)Anterior-guidance preferred
3)Bilateral Balaced Occlusion
4)VDO// Curve of Spee -
1)Denture
2)Natural
3)Denture
4)Natural -
Natural vs. Denture
1)Compensating Curve
2)CR=MIP
3)CR does not = MIP -
1)Denture
2)Denture
3)Natural - #1 Important Tool to studying a patient's occlusion
- A Semi- Adjustable Articulator
- What is Mandibular Movt?
-
Rotarion about a horizontal axis
Translations
Combo of 3 Movts on 3 Planes (frontal, sagittal, and horizontal) - Name 2 Advantages of Articulation
-
Improves Visualization of both static and functional teeth contacts
Ease of mandibular movt and resultant tooth contacts - What was the 1st articulator
-
Barn-door-hinge
-Arms were 90 degree - What was important about Stephen's Articulator?
-
Fixed Condylar Inclination
-determines what angle the condlyes will protrude forward and that was fixed
Also had arbitrary Lateral Movt
NON- ADJSTABLE - What is the Bennett Angle?
- How the jaws move laterally
- Denar Fully adjustable articulator allowed for what adjustments
-
Bennet Angle
Intercondylar Distance
Condylar Inclination
-Also has
Mechanical Incial Pin
Patograhic Tracing - What does the Denar Tract II articulator (semi-adjustable) have?
-
Face Bow
Lateral or Protrusive Check-bites
Fixed Intercondylar Distance - Arcon comes from what 2 words
- Articulator and Condyle
- Name 1 NON- adjustable articulator
- Stephens Articulator
- Name 2 Semi- Adjustable articulators
-
Dentar Track II (ARCON)
and
Hanau H series(NON ARCON) - Name 1 fully adjustable articulator
- Stuart Articulator
- Arcon articulators have guidance of condylar movement in the ____.
- Maxillary Member
- Non- Arcon Articulators are guidance of condylar movement in the ___.
- Mandibular Member
- When are semiadjustable articulars accurate for excursions
- Only when a facebow transfer is used
- What does a facebow relate?
- It relates hinge axis to maxilla