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23 Cards in this Set
- Front
- Back
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Defined as "the static relationship between the surfaces of the Max. and Man. Teeth.
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Occlusion
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This position is independent of tooth contact. Condyles are positioned in the most superior-anterior position of the glenoid fossa against the eminences.
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Centric Relation
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The complete closing of the teeth independent of condylar position.
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Maximum Intercuspation
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The occlusion of opposing teeth when the mandible is in centric relation.
i.e. SUPERIOR/ANTERIOR AND OCCLUSION |
Centric Occlusion
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Any tooth contacts other centric occlusion. (i.e. working, balancing, protrusion)
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Eccentric Occlusion
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When the max. teeth overlap in horizontal direction.
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Horizontal Overlap
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When the max. teeth extend over the man. teeth in a vertical direction.
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Vertical Overlap
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Normal, Mesiobuccal cusp of the upper first molar falls in buccal groove of the lower first molar.
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Class I
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Retrognathic meaning the patient profile is deficient in the chin. The mesiobuccal cusp of the upper first molar is anterior to the buccal groove of the lower first molar.( i.e. 'The Simpson's")
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Class II
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Prognathic meaning the patient profile is excessive in the chin length. The mesiobuccal cusp of the upper first molar is posterior to the buccal groove of the lower first molar.( i.e. Billy Bob in Sling-blade")
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Class III
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"VDO holding cusp's." Lingual of the upper and buccal of the lower.
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Stamp Cusp
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Opposite of a "Stamp Cusp". Do not maintain VDO. Buccul of the upper and lingual to the lower.
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Shearing Cusp
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Found in Nature and complete denture occlusion. Divided into occlusal, incisal, facial, lingual, and gingival areas. 1:2 teeth relationship.
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Cusp to Embrasure
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Stamp and shearing cusp relationship is reversed. It is crossed. Coming into occlusion more facial or buccal than the max.
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Crossbite
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The alignment of occluding surfaces of denture teeth developing bilaterial balance.
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Compensating Curve
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Compensates for the Christensen Phenomenon.
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Compensating Curve
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Anterioposterior component of the compensating curve.
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Curve of Spree
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Lateral component of the compensating curve.
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Curve of wilson.
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A specific vertical distance between the upper and lower jaws when in maximum intercuspation.
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Vertical Dimension of Occlusion.
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Distance between upper and lower jaws when the muscles that control the mandible are relaxed.
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Physiologic Rest Vertical Dimension of Occlusion
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Estimates are made to measure the distance between the upper and lower jaws when the "S" and "CH" sounds are spoken.
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Phonetic Vertical Dimension of Occlusion
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Upper and lower jaws are held too far apart. Teeth colliding when pt. speaks. Soreness in the muscles of mastication. Made by dentist or the lab tech.
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Open VDO
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Upper and lower jaws are too close together. Reduced biting power, lots of space when jaw is relaxed, face is collapse like an ol' lady. Caused by Dentist, lab tech or by pt.
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Closed VDO
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