MDS PREP
Which of the following is an example of static method of recording centric relation?
1. Intraoral records
2. Needle
3. House
4. Paterson
Prosthodontics
Answer: 1
Which of the following is an example of a static method of recording centric relation: intraoral records.
Which material is carried in a custom tray?
1. High fusing compound
2. Reversible hydrocolloid
3. Metallic oxide paste
4. Irreversible hydrocolloid
Prosthodontics
Answer: 3
Which material is carried in a custom tray: metallic oxide paste.
Oral examination of an edentulous patient should include digital palpation. Why?
1. The arch form is more accurately evaluated
2. Undercut areas may be better evaluated
3. The ridge relationship may be better evaluated
4. None of the above
Prosthodontics
Answer: 2
Oral examination of an edentulous patient should include digital palpation to evaluate undercut areas better.
Which of the following is not true regarding the muscular influence on
denture borders
1. Masseter muscle may influence the borders and flange of the maxillary denture
2. Temporal muscle may influence the denture flange in the maxillary tuberosity
area
3. Medial pterygoid muscle may influence the denture border in the region of the
pterygomaxillary notch
4. None of the above
Prosthodontics
Answer: 3
Explanation: The medial pterygoid muscle primarily functions to move the
mandible medially and assist in closing the jaw. It does not directly influence
the borders of a maxillary denture in the region of the pterygomaxillary notch.
Instead, it is involved in the movement of the mandible and may indirectly
affect the fit and stability of the denture.
What is the purpose of using undercut gauges in dental surveying?
1) To identify the amount of retentive undercut
2) To measure the size of the cast
3) To contour wax patterns
4) To clean the surveyor
Prosthodontics
Answer: 1
Undercut gauges are specifically designed to measure the amount of retentive undercut available on the cast.
Excessive vertical dimension may affect
1. Encroaching the freeway space
2. Proper centric relation
3. Proper retention
4. All of the above
Prosthodontics
Answer: 4
Excessive vertical dimension may affect all of the above: encroaching the freeway space, proper centric relation, proper retention.
The purpose of boxing an impression is
1. Boxing pressure the border width after border molding
2. To serve as a base for cast poured
3. Both A and B
4. None of the above
Prosthodontics
Answer: 3
The purpose of boxing an impression is both to serve as a base for cast poured and to boxing pressure the border width after border molding.
Penumbra in a processed film is related to
1. Magnification
2. Sharpness of image
3. Detail of the image
4. All of the above
Prosthodontics
Answer: 4
Penumbra in a processed film is related to all of the above: magnification, sharpness of image, detail of the image.