18 Questions
What is the purpose of placing firm pressure on the end of the nasion relator before tightening the thumbscrew?
To ensure stability of the bite registration
What is the permanent non-adjustable intercondylar width of the 2200 series instrument?
110 mm
What is the purpose of adjusting the toggles using a hex driver or a T-screw?
To fine-tune intercondylar width
What is the function of the centric lock in an articulator?
Hold condyles in a retruded position
What does Bennett angle refer to in terms of mandibular movement?
Angle formed during lateral mandibular movement
Why is it sometimes difficult to tighten the toggles while the facebow is on a patient's head?
Because of limited space for maneuvering
What is the purpose of using an anterior reference point in a facebow?
To enable duplication of the recorded position on the articulator
What is the main advantage of using a kinematic facebow over an arbitrary facebow?
Enables the clinician to adjust the patient's vertical dimension of occlusion accurately
How does a clinician determine the hinge axis of the mandible using a kinematic facebow?
By observing the movement of the kinematic facebow styli positioned close to the TMJ
What is the purpose of heating a sheet of baseplate wax in hot water when using a facebow?
To adapt the wax to the bitefork uniformly
What should be done after obtaining shallow impressions of only the cusp tips with the wax-covered bitefork?
Allow the patient to close into the wax lightly
What is a key feature of pantograph when used with a fully adjustable articulator?
Determines the hinge axis of the mandible with high accuracy
Which type of denture prosthetic teeth is the material of choice for single dentures opposing natural dentitions?
Composite resin denture teeth
What is a disadvantage of mechanically attaching porcelain denture teeth to resin bases?
Limits the use of the teeth in partial denture fabrication
Why are porcelain denture teeth not indicated in limited interarch spaces?
Difficulty reshaping cervical areas
How do porcelain teeth differ from resin teeth in terms of weight?
Porcelain teeth are heavier
Which property makes porcelain teeth more difficult to grind for occlusal adjustments?
Surface glaze loss
What effect does combining posterior resin teeth with anterior porcelain teeth have on the prostheses?
Creates destructive occlusal forces in the anterior region
Test your knowledge on dental materials for removable prosthodontics, focusing on denture prosthetic teeth made from resin and composite materials. Learn about the esthetics, wear resistance, and bonding properties of different types of denture teeth.
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