Prosthodontics (NDEB of Can) Exam Questions And Answers. Verified And Updated.
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Course
Prosthodontics
Institution
Prosthodontics
Prosthodontics (NDEB of Can) Exam
Questions And Answers. Verified And
Updated.
FPD abutments with how much bone support have a poor prognosis? - answer50% or less
What is the prognosis of a single retainer cantilever FPD? - answerPoor
When is splinting of teeth generally done? - answerDistribu...
Prosthodontics (NDEB of Can) Exam
Questions And Answers. Verified And
Updated.
FPD abutments with how much bone support have a poor prognosis? - answer✔✔50% or less
What is the prognosis of a single retainer cantilever FPD? - answer✔✔Poor
When is splinting of teeth generally done? - answer✔✔Distribute occlusal forces
Why is splinting of teeth performed? - answer✔✔Periodontal surface of the abutment tooth does
not provide the needed support for the prosthesis
When replacing the maxillary or mandibular canine, what should be done with the lateral and
central incisor to prevent lateral drifting of the FPD? - answer✔✔They should be splinted
What is the impact of crown:root ratio on determining whether a tooth can be used as an
abutment? - answer✔✔Teeth with a short crown:root ratio (<1:2) with conical roots should be
avoided as abutments
4 common indications for RPD: - answer✔✔1) No posterior teeth for support of FPD 2) When
the span of teeth to be replaced is beyond the load that the existing teeth can bear 3) Where there
is bone loss with a questionable prognosis if restored with an FPD 4) Where the cost of an FPD
or implants is prohibited
In which patients does combination syndrome occur? - answer✔✔Only the natural mandibular
anteriors remain
In what clinical scenario are completed dentures contraindicated? - answer✔✔When only the
mand. anterior teeth remain
What are the two maxillomandibular relationships in which the mandibular teeth can be oriented
to the maxillary teeth? - answer✔✔1) Centric relation 2) MIP
What maxillomandibular relationship is considered the terminal hinge position? - answer✔✔CR
When the patient is in CR, what is the orientation of the condyle-disc complex? -
answer✔✔Anterior-superior position against the shapes of the articular eminence
Is MIP dependent or independent of condylar position? - answer✔✔Independent
EXAM STUDY MATERIALS July 25, 2024 1:06 PM
,What two devices are used in order to deprogram the existing proprioceptive reflexes and aid to
manipulate the mandible into CR? - answer✔✔1) Leaf gauge 2) Acrylic resin jig
What devices are made to reproduce the lingual concavity and incisal edges of anterior teeth,
which will have a direct influence in guiding the mandible through all excursive movements? -
answer✔✔Custom incisal guide table
What compounds react to form calcium alginate? - answer✔✔Sodium or potassium salts with
calcium sulfate
What is the purpose of adding diatomaceous earth to alginate? - answer✔✔Strength
What is the function of trisodium phosphate in alginate impression material? - answer✔✔Control
the setting time
How soon following the impression should stone be poured to create a cast? - answer✔✔15 min
What type of stone is recommend for use when pouring up impressions? - answer✔✔Type IV or
V
Which articulator has an arc of closure that is not the same as the patient's because the distance
between the hinge and the teeth is significantly shorter than in the patient? -
answer✔✔Nonadjustable articulator
2 types of semiadjustable articulators? - answer✔✔1) Arcon 2) Nonarcon
In which type of articulator are the condyles attached to the lower member and the glenoid fossa
attached to the upper member? - answer✔✔Arcon
The mechanical fossa in an Arcon articulator are fixed to what structure? - answer✔✔Occlusal
plane of the maxillary cast
In an Arcon articulator, to what structure is the occlusal plane fixed too? - answer✔✔Maxillary
cast
What is the primary difference between Arcon and Nonarcon articulators? - answer✔✔The
upper and lower members are rigidly attached
In a Nonarcon articulator, to what structure is the occlusal plane fixed too? -
answer✔✔Mandibular cast
Which articulator is better for fabrication of fixed restorations? - answer✔✔Arcon
Which articulator is better for fabrication of complete and partial dentures? -
answer✔✔Nonarcon
EXAM STUDY MATERIALS July 25, 2024 1:06 PM
, What record is used by semiadjustable articulators to orient the maxillary cast in the anterior-
posterior and mediolateral position in the articulator to anatomic average values? -
answer✔✔Arbitrary facebow record
The fully adjustable articulator uses what kind of facebow? - answer✔✔Kinematic facebow
A kinematic facebow is used to orient and articulate which cast? - answer✔✔Maxillary cast
What is the proper implant-implant distance and tooth-implant distance? - answer✔✔1) 3mm 2)
1mm (1.5mm)
What is the adequate healing time before impression making for implants placed in nonesthetic
areas? - answer✔✔2 weeks
what is the adequate healing time before impression making for implants placed in the esthetic
area? - answer✔✔3-5 weeks
When heavier occlusal loads are expected, what adjustment to implant treatment planning should
be made? - answer✔✔Additional implants are recommended to support multiple units or a long
edentulous span
What impact does implant attachment to a natural tooth have on the implant? -
answer✔✔Concentration of stress at the superior portion of the implant
What is the primary disadvantage of screw-retained prostheses? - answer✔✔Screw loosening
during function because of excessive lateral force
In which direction should occlusal forces be directed along the implant? - answer✔✔Along the
long axis of the implant
If lateral forces cannot be eliminated, what is the proper treatment for management? -
answer✔✔Occlusion should be balanced so that the stress is distributed over as many teeth as
possible
What surgical technique is commonly used to address frenum attachment? - answer✔✔Z-plasty
What is the preferred method of treatment for hypermobile ridge? - answer✔✔Treat with a tissue
conditioner
What is the proper diagnosis for a hyperplastic tissue reaction caused by an ill-fitting or
overextended flange in a denture? - answer✔✔Epulis fissuratum
What is the preferred treatment for epulis fissuratum? - answer✔✔Adjust denture border and use
tissue conditioner
EXAM STUDY MATERIALS July 25, 2024 1:06 PM
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