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What causes supraeruption? |
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CO or MIP is determined by |
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Bone to Bone/Ligament guided |
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VDO is smallest in which position |
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Which component of occlusion can a dentist not change? |
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Definition
Condylar Inclincation, CR |
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Occlusion of the teeth is a (static/dynamic) position |
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The rotating condyle is on the (working/balancing) side |
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The rotating condyle is on the (laterotrusive/mediotrusive) side |
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The working side is the synonymous with (laterotrusive/mediotrusive) |
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The orbiting condyle is on the (working/balancing) side |
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Balancing side is synonymous with (non-working/working) side |
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The orbiting condyle is on the (laterotrusive/mediotrusive) side |
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The non-working side is the synonymous with (laterotrusive/mediotrusive) |
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What is the name of the movement where one juts the jaw forward? |
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What does CR stand for in terms of occlusion? |
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Centric relation a term that describes the position of the ___ in the TMJ |
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The does CR say about the position of the teeth? |
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Definition
Nothing! It only has to do with the position of the condyle in the TMJ (a bone to bone interaction) |
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True or False, most people have ideal CR and ICR at the same time |
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What does ICR stand for in terms of occlusion? |
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Which type of contacting relationship describes 1 to 1 tooth occlusion? |
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In optimal occlusion, the condyles are in their most super (posterior/anterior) position |
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In optimal occlusion, the condyles are resting on the (anterior/posterior) slopes of the articular eminences |
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There should be heavier contacts on (anterior/posterior) teeth |
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During protrusive movements, the (anterior/posterior) teeth should disclude immediately |
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Mandibular movement provided by the contact between the anteriors as the mandible moves through excursive movements? |
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Anterior teeth are inclined to the (labial/lingual) approximately __-__ degrees |
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Condylar guidance has greater influence on teeth (anterior/posterior) to the premolars |
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Anterior guidance has the greatest influence on teeth (anterior/posterior) to the premolars |
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An increased horizontal overlap necessitates (shorter/taller) cusps on posterior teeth |
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An increased horizontal overlap necessitates (shallower/deeper) grooves on posterior teeth |
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A decreased horizontal overlap accommodates (shorter/taller) cusps on posterior teeth |
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A decreased horizontal overlap accommodates (shallower/deeper) grooves on posterior teeth |
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With (increased/decreased) horizontal overlap, a change in the teeth is a necessity |
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A decreased vertical overlap necessitates (shorter/taller) cusps on posterior teeth |
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A decreased vertical overlap necessitates (deeper/shallower) grooves on posterior teeth |
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An increased vertical overlap accommodates (shorter/taller) cusps on posterior teeth |
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An increased vertical overlap accommodates (deeper/shallower) grooves on posterior teeth |
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If you have a(n) (increased/decreased) vertical overlap, specific tooth change is a NECESSITY |
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Definition
Decreased (must have shorter cusps, and shallower grooves) |
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The protrusive path is measured in degrees from ___ reference plane |
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The protrusive path ranges from __-__ degrees in humans, with a median of ___ |
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Protrusive path is also known by what 2 other names? |
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Definition
1. Angle of Eminence 2. Condylar inclination (CI) |
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(Steep/flat) condylar inclination produces rapid disclusion |
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(Steep/flat) condylar inclination means long cusps and deep fossae are acceptable |
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(Steep/flat) condylar inclination REQUIRES short cusps and shallow fossae on posterior teeth |
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A flat condylar inclination REQUIRES (short/tall) cusps and (shallow/deep) fossae on posterior teeth |
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Definition
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Lateral excursion path ranges from __-__ in humans, with a median of __-__ |
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In laterotrusive movements, the cusp pathway is (transversely/obliquely) directed |
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In mediotrusive movements, the cusp pathway is (transversely/obliquely) directed |
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The TMJ determines how the (anterior/posterior) teeth behave |
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Mandibular incisal tables function against maxillary ___ in anterior guidance |
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The mandibular canine slides against what part of the maxillary canine? |
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With a flat condylar inclination, you get (more/less) separation of the mandible |
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The steeper the condylar pathway, the (taller/shorter) the cusps and (deeper/shallower) the fossae MAY be |
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The flatter the condylar pathway, the (taller/shorter) the cusps and (deeper/shallower) the fossae MUST be |
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A (steep/flat) condyle necessitates a more specific tooth anatomy |
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Definition
Flat (must have shorter cusps and shallower fossae) |
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Mandibular lateral translation movement is also called what? |
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Side shift is determined by the (orbiting/rotating) condyle |
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What are the three main axises of the jaw? |
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Definition
Horizontal, Vertical, Sagittal |
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Which axis is also called the "terminal hinge axis"? |
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The sagittal axis moves in the ___ plane. |
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What is the terms for when the condyles are in the most superior anterior position of the glenoid fossa with the disc interposed? |
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CR = condyles in the most superior and (anterior/posterior) position of the glenoid fossa with the disc (relaxed/interposed) |
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The maximum opening of the jaw is determined by ___. |
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What ligament stops rotation? |
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Definition
Outer oblique ortion of tmj ligament |
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What ligament limits protrusive movement? |
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The superior limit of the mandible is determined by ___ |
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