MDS PREP
Broad palatel seal indicates
1. Type A palatal form
2. Type B palatal form
3. Type C palatal form
4. None of the above
Prosthodontics
Answer: 1
Broad palatal seal indicates type A palatal form.
When drilling cylindrical implant sites in bone, which the following is false?
1. Copious irrigation should be used with the drill
2. The drill should not rotate more than 5 secs continuously in contact with bone
3. Only speeds above 20,000 rpm should be used in drilling
4. Enough pressure should be used to proceed 0.5-1mm every 5 seconds
Prosthodontics
Answer: 3
When drilling cylindrical implant sites in bone, the following is false: only speeds above 20,000 rpm should be used in drilling.
The most common reason why hyperplastic tissue is removed or reduced during construction of a complete denture because
1. It interferes with the arrangement of the teeth
2. It is unaesthetic to construct a denture on a hyperplastic tissue
3. It interferes with the stability of the denture
4. All of the above
Prosthodontics
Answer: 3
The most common reason why hyperplastic tissue is removed or reduced during the construction of a complete denture is that it interferes with the stability of the denture.
A dental instrument which creates aerosols containing large number of microorganisms is the
1. Evacuator
2. Ultrasonic scaler
3. Amalgam condenser
4. Endodontic reamer
Prosthodontics
Answer: 2
A dental instrument which creates aerosols containing a large number of microorganisms is the ultrasonic scaler.
The inter-arch distance measure when the occlusal rims are in uniform contact is
1. Freeway space
2. Vertical dimension of occlusion
3. Vertical dimension of rest
4. Christensen"s space
Prosthodontics
Answer: 2
The inter-arch distance measured when the occlusal rims are in uniform contact is vertical dimension of occlusion.
Which survey line is placed in the occlusal third in both near and
far zones?
1) Medium survey line
2) Low survey line
3) High survey line
4) Diagonal survey line
Prosthodontics
Answer: 3
The high survey line is characterized by being positioned in the occlusal third of the tooth in both the near and far zones, which is important for determining the contour of the tooth.
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.
When making peripheral seal for mandibular denture, patient notices that the impression is rising when the patient opens his mouth. It indicates
1. Overextension of the labial and lingual surfaces
2. Overextension of the labial and buccal surfaces
3. Overextension of the lingual surfaces
4. Underextension of the lingual surfaces
Prosthodontics
Answer: 2
When making peripheral seal for mandibular denture, if the impression is rising when the patient opens his mouth, it indicates overextension of the labial and buccal surfaces.