National Dental Examining Board of Canada (Prosthodontic)

[Editor Keymaster]

patient with ellergic to both ester ad amide GA cant be done absolute need of la we use
1% hydro chloramine
4% nitrous oxide
Benzocaine
1

[Editor Keymaster]

Histology shows elongated reta3pegs with dysplastic cells
A squamous cell carcinoma
B basal cell carcinoma
C veruccous c
D squamous papiloma
c

[Editor Keymaster]

The maximum recommended dosage of 1.8ml cartridges of 2% lidocaine with epinephrine 1:100000 that may be safely administered to a 17kg child is approximately:

A. 0.5
B. 1
C. 1.5
D. 2
E. 2.5
e

[Editor Keymaster]

Chair side disinfectant for GP:
H2O2
5.2% sodium hupochloride***
Saline

To disinfect gutta percha points use:
H2O2
5.2% NaOCl
Chx
All***

[Editor Keymaster]

Canine miler class II recession which flap A.Full thickness with full split B.Full thickness with partial split C.Connective tissue graft with full split D.Connective tissue graft with partial split***

[Editor Keymaster]

Brushing method in which side parts of bristles are activated?
a. Bass
b. Charter
c. Modified stillman
c

[Editor Keymaster]

Attrition patient want to change restorations
Amalgam
Cast metal
Composite
B

[Editor Keymaster]

Patient will have multiple extraction what to do after extraction for denture sake
1_ make interrupted suture cross papilla
2_leave to heal to avoid elevation from sutured papilla
3_make extensive bone smoothening
4_ put surgical pack only
3

[Editor Keymaster]

To a great extent, the forces occur through a removable partial denture can be widely distributed and minimized by the following methods:
A) proper location of the occlusal rests
B) selection of lingual bar major connector
C) developing balanced occlusion
D) all the above
A

[Editor Keymaster]

Child will show an equal number of primary and permanent teeth in his mouth (12 1ry 12 2ry ) at age of : a. 7.5
b. 8.5
c. 9.5
d. 10.5 e. 9-10

[Editor Keymaster]

A patient complains of sensitivity the day following placement of a conservative posterior composite resin restoration. The most probable cause
is:
A. Acid etching.
B. Microleakage.
C. Unpolymerized resin.
D. Prolonged application of the curing light.
E. Inadequate base thickness.
c

[Editor Keymaster]

Irrigation solution for RCT,when there is infection and draining from the canal is:
a) Sodium hypochlorite.
b) Iodine potassium.
c) Sodium hypochlorite and H2O2.
d) Normal saline (Nacl)
c

[Editor Keymaster]

Patient reports with a 1-2 cm lesion on the tongue. The patient has a history of diabetes. The choice of biopsy is
1. Incisional biopsy
2. Punch biopsy
3. Excisional biopsy
4. Fine needle aspiration biopsy
1

[Editor Keymaster]

With age and teeth lose the facial profile tends to shift:
Class 2
Class 3****

[Editor Keymaster]

Epithelial rest of series
A dental lamina
B vestibular lamina
C herwig sheath
A

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