MDS PREP
The anatomic landmarks used to establish the posterior extent of the upper complete denture
1. Petrygomaxillary notch and fovea palatine
2. Pterygopalatine fissure and anterior border of the tuberosity
3. Posterior nasal spine and the palatine bone
4. Posterior nasal spine and the posterior border of the tuberosity
Prosthodontics
Answer: 1
The anatomic landmarks used to establish the posterior extent of the upper complete denture are the pterygomaxillary notch and fovea palatine.
Guiding planes
1) Determine the path of insertion
2) Determine the path of removal
3) Assure predicatable clasp design
4) All of the above
Prosthodontics
Answer: 4
Guiding planes are flat, polished surfaces on the abutment teeth that guide the RPD into place. They are crucial for the predictable placement of retentive elements such as clasps and for ensuring that the forces are transmitted along the long axis of the teeth, minimizing horizontal movements. Additionally, they help in the overall stability and function of the denture.
The occlusal plane for the complete denture patient is determined by
1. The face bow device which determines the occlusal plane
2. The position of the upper first molar
3. The height of the retromolar pad and anterior aesthetic height
4. None of the above
The occlusal plane for the complete denture patient is determined by the height of the retromolar pad and anterior aesthetic height.
Retromolar pad
1. Should not be covered by low denture
2. Should be covered by lower denture
3. Has tendon of temporal muscle attached to it
4. All of the above
Prosthodontics
Answer: 2
The retromolar pad should be covered by the lower denture.
Instrument which has a 4 digit formulae;
1) angle former
2) hoe
3) hatchet
4) spoon excavator
Prosthodontics
Answer: 1
Instrument which has a 4 digit formulae is angle former.
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.
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.
All of the following are true regarding the use of cast circumferential clasps, except that, the
1. retentive clasp terminal should originate occlusal to the height of contour
2. retentive terminal should always point towards the gingiva
3. clasp arm should be kept as low on the tooth as possible
4. all of the above
Prosthodontics
Answer: 2
In the design of cast circumferential clasps, the retentive terminal should ideally point away from the gingiva (toward the occlusal surface) to allow for proper engagement and retention without causing trauma to the gingival tissue.