FIXED PROSTHODONTICS EXAM 2 2026
EXAMINATION TEST COMPLETE QUESTIONS
AND ANSWERS GRADED A+
◉ a) Location and extent of the edentulous area or areas
b) Condition of the abutment teeth
c) Occlusal scheme
d) Residual ridge Answer: Prosthodontic Diagnostic Index (PDI): by
ACP, American College of Prosthodontists (Class I to IV)
◉ a) Span length.
b) Span configuration.
c) Abutment alignment.
d) Abutment condition.
e) Occlusion.
f) Periodontal condition.
g) Ridge form.
h) General features. Answer: Factors to consider for Replacement of
Missing Teeth:
◉ a) History: dental and medical
b) TMJ / Occlusal evaluation
,c) Intraoral examination
d) Diagnostic Casts
e) Full mouth radiographs Answer: Elements of Good Diagnostic
Workup: (Shillingburg, P. 2)
◉ a) Treatment of symptoms
b) Stabilization of deteriorating conditions
c) Definitive therapy
d) Program of follow up care Answer: Treatment Sequence:
◉ a) Preservation of tooth structure
b) Preservation of the Periodontium
c) Retention and resistance
d) Structural durability
e) Marginal integrity Answer: Q: What are the tooth preparation
requirements?
◉ Retention:
Prevents removal of the restoration along the path of insertion or
long axis
of the tooth preparation.
Bridges- dislodges in M/D direction, therefore use B/L grooves to
increase
,retention.
Crowns- dislodges in B/L direction, therefore use M/D grooves to
increase
retention.
Resistance:
Prevents dislodgment of the restoration by forces directed in an
apical or
oblique direction and prevents any movement of the restoration
under
occlusal forces. Answer: Retention and Resistance:
◉ Biologic: conservation of tooth structure, prevention of damage
during tooth
preparations, avoidance of over contouring, Supragingival margins,
harmonious
occlusion and protection against root fracture.
Mechanical: Retention and resistance form, avoid deformation
Esthetic: Minimal display of metal substructure, maximum thickness
of porcelain,
porcelain occlusal surfaces, Subgingival margins. Answer: Q: What
are the Fixed partial denture (FPD) considerations?
◉ 1) Taper or parallelism of axial walls of preparation (3 degrees
per wall)
, 2) Length of axial wall of preparation
3) Substitution of internal features (grooves, boxes, pins)
4) Surface area with rough texture
5) Freedom of Displacement
5) Path of insertion limitations (angle of convergence, parallel to
long axis of tooth)
6) Magnitude of dislodging forces
7) Type of cement Answer: Q: What are the factors that determine
Retention and
Resistance?
◉ a) to visualize preparations walls.
b) Prevent undercuts.
c) Compensate for inaccuracies in the fabrication process.
d) Permit better seating of restoration during cementation. Answer:
Taper / angle of convergence of preparations (6 degrees, actual 19-
23
degrees):
◉ a. Destruction of tooth structure.
b. Retention.
c. Esthetics.
d. Plaque control.
EXAMINATION TEST COMPLETE QUESTIONS
AND ANSWERS GRADED A+
◉ a) Location and extent of the edentulous area or areas
b) Condition of the abutment teeth
c) Occlusal scheme
d) Residual ridge Answer: Prosthodontic Diagnostic Index (PDI): by
ACP, American College of Prosthodontists (Class I to IV)
◉ a) Span length.
b) Span configuration.
c) Abutment alignment.
d) Abutment condition.
e) Occlusion.
f) Periodontal condition.
g) Ridge form.
h) General features. Answer: Factors to consider for Replacement of
Missing Teeth:
◉ a) History: dental and medical
b) TMJ / Occlusal evaluation
,c) Intraoral examination
d) Diagnostic Casts
e) Full mouth radiographs Answer: Elements of Good Diagnostic
Workup: (Shillingburg, P. 2)
◉ a) Treatment of symptoms
b) Stabilization of deteriorating conditions
c) Definitive therapy
d) Program of follow up care Answer: Treatment Sequence:
◉ a) Preservation of tooth structure
b) Preservation of the Periodontium
c) Retention and resistance
d) Structural durability
e) Marginal integrity Answer: Q: What are the tooth preparation
requirements?
◉ Retention:
Prevents removal of the restoration along the path of insertion or
long axis
of the tooth preparation.
Bridges- dislodges in M/D direction, therefore use B/L grooves to
increase
,retention.
Crowns- dislodges in B/L direction, therefore use M/D grooves to
increase
retention.
Resistance:
Prevents dislodgment of the restoration by forces directed in an
apical or
oblique direction and prevents any movement of the restoration
under
occlusal forces. Answer: Retention and Resistance:
◉ Biologic: conservation of tooth structure, prevention of damage
during tooth
preparations, avoidance of over contouring, Supragingival margins,
harmonious
occlusion and protection against root fracture.
Mechanical: Retention and resistance form, avoid deformation
Esthetic: Minimal display of metal substructure, maximum thickness
of porcelain,
porcelain occlusal surfaces, Subgingival margins. Answer: Q: What
are the Fixed partial denture (FPD) considerations?
◉ 1) Taper or parallelism of axial walls of preparation (3 degrees
per wall)
, 2) Length of axial wall of preparation
3) Substitution of internal features (grooves, boxes, pins)
4) Surface area with rough texture
5) Freedom of Displacement
5) Path of insertion limitations (angle of convergence, parallel to
long axis of tooth)
6) Magnitude of dislodging forces
7) Type of cement Answer: Q: What are the factors that determine
Retention and
Resistance?
◉ a) to visualize preparations walls.
b) Prevent undercuts.
c) Compensate for inaccuracies in the fabrication process.
d) Permit better seating of restoration during cementation. Answer:
Taper / angle of convergence of preparations (6 degrees, actual 19-
23
degrees):
◉ a. Destruction of tooth structure.
b. Retention.
c. Esthetics.
d. Plaque control.
