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WorksheetsTPD 2
Total questions: 10
Worksheet time: 5mins
*Contraindication of the acrylic resin crowns are:
Very small teeth
Teeth with extended carious lesions
Deep frontal occlusion
To restore the morphology of dental crown.
*The correct answers about the casting the model are:
Its a clinical step
Its a technical step
Dental stones are some of the materials used to make casts
Epoxy resin is not a material used to make casts
*The correct answer about the tooth preparation is:
Before it we need a written consent from the patient
The final preparation must have retentivities
The final preparation must be tronconical to cylindrical
Its a tehnical step
*Examination of the patient:
Is a clinical step
Is not an important step
The patients are not asked about private information.
The person conducting the assement should be a health worker.
The FALSE answer about the impression is:
Conventional impression is realised by using an impression material and tray.
The impression does not register the neighbouring teeth.
Digital impression is realised by using a 3D scan technology.
The impressions register the prepared tooth, the antagonist teeth and the neighbouring teeth
*The FALSE answer about the tooth preparation is:
Its a clinical step
Chamfer is not a type of finishing line of preparation
The selection of the finishing line depend on the materials used for restauration
Its a tehnical step
The correct answer about the gypsum is:
Its not important that the gypsum has abrasion resistance
All the gypsum products have the same chemical structure
Its not obtained from natural gypsum rock
Its rarely used in dental practice
The FALSE answer about the articulator is:
Simulates the movements of the mandible
We dont need a face bow registration
Can be human like(Arcon)
Its used for prosthetic restaurations
The correct answer about the wax up is:
The wax up marginals ridge should not be at the same level as the adiacent teeth
Its the mirror image of the neighbouring tooth
Its a clinical step
Its a technical step
The impressions register:
The prepared tooth
The neighbouring teeth
The antagonists
All the answers above
