4/3: Interocclusal Contacts and Cuspal Pathways Flashcards
What are synonymous terms for functional cusps?
Supporting, centric, working, stamp cusps
What are synonymous terms for non functional cusps?
Guiding, non centric, non working, shearing cusps
What is the cusp-marginal ridge occlusion?
Each Functional cusp contacts the marginal ridges of opposing pair of teeth or fossae of opposing teeth
What is the arrangement of the cusp-marginal ridge?
One tooth to two teeth arrangement
What kind of occlusion do majority of natural dentitions have?
Cusp-marginal ridge occlusion
What is cusp-marginal ridge occlusion commonly used for?
Single restorations
What is the cusp-fossa occlusion?
Each functional cusp occludes in a fossa
of the opposing tooth
What is the arrangement of cusp-fossa occlusion?
Tooth to tooth arrangement
When is cusp-fossa occlusion used?
When restoring both opposing quadrants of teeth
What does the cusp marginal ridge occlusal relationship allow for?
some cusps to occlude onto
marginal ridges and some others to occlude into occlusal fossae
What does the cusp-fossa relationship allow for?
only for each cusp to occlude into one fossa
Cusp marginal ridge occlusion is “_______ to _____”
Tooth to two teeth
Cusp fossa occlusion is “_______ to _____”
Tooth to tooth
What are the anterior interocclusal contacts for the mandibular central incisor?
contacts the maxillary central incisor
Which teeth oppose only one tooth?
Mandibular central incisor
Max 3rd molar