Occlusion

Which muscle of mastication is likely to undergo spasm when a posterior crown is cemented high in occlusion?
Temporalis muscle.
Lateral pterygoid muscle.
Masseter muscle.
Medial pterygoid muscle.
Name the diagram.
Retruded axial position (RAP) is the position from...
Pr to T
RCP to ICP
RCP to R
R to T
ICP to Pr
A patient came to see you with a failing veneer of tooth 11 and asking for the tooth to be fixed. What can you do at that visit?
Send the patient home.
Composite build up.
Prepare the tooth for crown and provisionalise.
Recement the veneer and check the occlusion.
Extract the tooth.
Do not do anything, immediately refer to a specialist.
Who first proposed the shortened dental arch (SDA) concept?
Kayser
Jepson
Dahl
Wise
What is the basis of SDA concept?
Removable partial denture (RPD) should be the option to replace missing posterior teeth.
Sufficient adaptive capacity where 4 occluding units are left in a symmetrical position.
Implant should be the option to replace missing posterior teeth.
Sufficient phonetics where 4 occluding units are left in a symmetrical position.
What are the possible causes of the pathology pointed by the arrows?
Bur cut.
High restoration.
Cracked tooth syndrome.
Inadequate coronal coverage.
What is the most appropriate treatment option to overcome the problem above?
Replace the amalgam restoration.
Replace the amalgam with composite restoration.
Provide cuspal coverage.
Crown the tooth.
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