NBDE II – Prosthodontics Questions and
Answers A+ Guide
- correct answers✅✅
- Half or less bone support
- Single retainer cantilever
- Multiple-splinted abutment teeth
- Nonrigid connectors
- Intermediate abutments = pier - correct answers✅✅What
situations carry a poor prognosis for a bridge? (5)
- Compromised endo treated (due to removed dentin making it
weaker)
- Compromised periodontal teeth - correct answers✅✅What
teeth should never be used for bridge abutment ? (2)
1:2
Crown is what is highlighted in the pic
2:3 realistic 1:1 minimum
2:1 poor - correct answers✅✅What is the ideal crown to root
ratio?
PDL surface area of abutment teeth should be equal to or greater
than imaginary PDL surface area of missing teeth - correct
answers✅✅What is Ante's law?
,NBDE II – Prosthodontics Questions and
Answers A+ Guide
distributes - correct answers✅✅Splinting teeth _____________
occlusal forces
Splinting teeth - correct answers✅✅______ is recommended
where periodontal surface of abutment tooth is not sufficient to
support the bridge (Failure of Ante's law)
True - correct answers✅✅T/F - When replacing a canine,
central and lateral should be splinted together to prevent lateral
drifting of the bridge
Divergent
Multiple
Curved
Broad roots - correct answers✅✅Ideal root shape of abutment
tooth is
1. Distal extension
2. Long span
3. Bone loss around potential abutments
4. Bridge or implant too expensive - correct
answers✅✅Indications for RPD (4)
Due to combination syndrome
,NBDE II – Prosthodontics Questions and
Answers A+ Guide
- Severe damage to opposing premaxilla - correct
answers✅✅What is combination syndrome and why is CD
contraindicated in upper when only lower anteriors are present ?
2 in mand
4 in maxilla - correct answers✅✅Classic number of implants
for overdenture ?
True - correct answers✅✅T/F - excess cement can cause peri-
implantitis
Pros - economical, allows minor angle correction, easier to use in
small teeth
Cons - require more chair time and has same propensity to
loosen, excess cement can cause peri-implantitis - correct
answers✅✅Pros and cons of cement-retained imlant
Pros - retrievable, good maintenance
Cons - Screw may loosen during function - correct
answers✅✅Pros and cons of screw-retained implant
Trisodium phosphate - correct answers✅✅What component in
alginate controls setting reaction?
, NBDE II – Prosthodontics Questions and
Answers A+ Guide
Position in which CONDYLES articulate with the thinnest avascular
portion of their respective discs in the most anterior-superior
position against the articular eminence
Independent of teeth - correct answers✅✅****What is centric
relation?
Complete interdigitation of TEETH
Independent of condylar position - correct
answers✅✅Maximum intercuspation (MI) is?
Often referred to as CO
False only 10% - correct answers✅✅TF - 90% of patients in the
population have MI and CR that coincide
True - when MI can be maintained - correct answers✅✅T/F - it
is recommended to mount casts in MI for single fixed procedures
True - correct answers✅✅T/F - casts are mounted in CR when
MI is impossible to maintain (CD< multiple teeth being restored)
True - correct answers✅✅*****T/F - CR is the most reliable and
reproducible jaw position
Answers A+ Guide
- correct answers✅✅
- Half or less bone support
- Single retainer cantilever
- Multiple-splinted abutment teeth
- Nonrigid connectors
- Intermediate abutments = pier - correct answers✅✅What
situations carry a poor prognosis for a bridge? (5)
- Compromised endo treated (due to removed dentin making it
weaker)
- Compromised periodontal teeth - correct answers✅✅What
teeth should never be used for bridge abutment ? (2)
1:2
Crown is what is highlighted in the pic
2:3 realistic 1:1 minimum
2:1 poor - correct answers✅✅What is the ideal crown to root
ratio?
PDL surface area of abutment teeth should be equal to or greater
than imaginary PDL surface area of missing teeth - correct
answers✅✅What is Ante's law?
,NBDE II – Prosthodontics Questions and
Answers A+ Guide
distributes - correct answers✅✅Splinting teeth _____________
occlusal forces
Splinting teeth - correct answers✅✅______ is recommended
where periodontal surface of abutment tooth is not sufficient to
support the bridge (Failure of Ante's law)
True - correct answers✅✅T/F - When replacing a canine,
central and lateral should be splinted together to prevent lateral
drifting of the bridge
Divergent
Multiple
Curved
Broad roots - correct answers✅✅Ideal root shape of abutment
tooth is
1. Distal extension
2. Long span
3. Bone loss around potential abutments
4. Bridge or implant too expensive - correct
answers✅✅Indications for RPD (4)
Due to combination syndrome
,NBDE II – Prosthodontics Questions and
Answers A+ Guide
- Severe damage to opposing premaxilla - correct
answers✅✅What is combination syndrome and why is CD
contraindicated in upper when only lower anteriors are present ?
2 in mand
4 in maxilla - correct answers✅✅Classic number of implants
for overdenture ?
True - correct answers✅✅T/F - excess cement can cause peri-
implantitis
Pros - economical, allows minor angle correction, easier to use in
small teeth
Cons - require more chair time and has same propensity to
loosen, excess cement can cause peri-implantitis - correct
answers✅✅Pros and cons of cement-retained imlant
Pros - retrievable, good maintenance
Cons - Screw may loosen during function - correct
answers✅✅Pros and cons of screw-retained implant
Trisodium phosphate - correct answers✅✅What component in
alginate controls setting reaction?
, NBDE II – Prosthodontics Questions and
Answers A+ Guide
Position in which CONDYLES articulate with the thinnest avascular
portion of their respective discs in the most anterior-superior
position against the articular eminence
Independent of teeth - correct answers✅✅****What is centric
relation?
Complete interdigitation of TEETH
Independent of condylar position - correct
answers✅✅Maximum intercuspation (MI) is?
Often referred to as CO
False only 10% - correct answers✅✅TF - 90% of patients in the
population have MI and CR that coincide
True - when MI can be maintained - correct answers✅✅T/F - it
is recommended to mount casts in MI for single fixed procedures
True - correct answers✅✅T/F - casts are mounted in CR when
MI is impossible to maintain (CD< multiple teeth being restored)
True - correct answers✅✅*****T/F - CR is the most reliable and
reproducible jaw position
