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1000 MCQ's Dental ADC Waysem With Questions And 100% ALL CORRECT ANSWERS
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JACKLINE1000 MCQ's Dental ADC Waysem With Questions And 100% ALL
CORRECT ANSWERS
Pre
Terms in this set (1020)
1. For lower premolars, the purpose of inclining the A. Avoid buccal pulp horn
handpiece lingually is to,
Explanation
A. Avoid buccal pulp horn 1- avoid BUCCAL pulp horn
B. Avoid lingual pulp horn 2- conserve ling. dentine
C. Remove unsupported enamel
D. Conserve lingual dentine So take A and B if available
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,2. For an amalgam restoration of a weakened cusp B. reduce cusp by 2mm following the outline of the cusp
you should,
Explanation
A. reduce cusp by 2mm on a flat base for more F cusp = 0.5-1.5 mm acc. to occlusion.
resistance Cracked cusp = FLAT BASE
B. reduce cusp by 2mm following the outline of the
cusp
C. reduce 2mm for retention form
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3. Before filling a class V abrasion cavity with GIC A. Clean with pumice, rubber cup, water and weak acid
you should,
Explanation
A. Clean with pumice, rubber cup, water and weak also scraping with actual cavity prep.
acid
B. Dry the cavity thoroughly before doing anything
C. Acid itch cavity then dry thoroughly
4. Which of the following statement about the A. The larger the breakdown, the greater the chance of decay.
defective margins of amalgam restorations is true?
Explanation
A. The larger the breakdown, the greater the chance the larger the gap between the restoration and the tooth, the more the chance for rec. decay -->
of decay. replace don't repair.
5. The retention pin in an amalgam restoration A. Parallel to the outer wall
should be placed,
Explanation
A. Parallel to the outer wall RULE OF "2" ???
B. Parallel to the long axis of tooth
,8/7/24, 7:54 PM
A. Injecting too low
Explanation
Failure of inferior alveolar nerve block:
1- Anatomical:
-accessory nerve supply (MH nerve, cervical cutaneous nerve C1, C2)
-variable, variation in course of nerve OR foramen position,
6. The most common cause of failure of the IDN
-bifid alveolar nerve or mandibular canal
"Inferior Dental Nerve" block is,
2- Pathological: infection, inflammation, previous surgery; trismus
3- Pharmacological: chronic alcohol abuse, chronic narcotic drug abuse;
A. Injecting too low
4- Psychological: fear, anxiety, apprehension;
B. Injecting too high
5- Poor technique: this is the most common reason for failure. There are three most commonly
occurring problems with this technique:
-Inadequate mouth opening.
-Improper needle placement:
a) too low.
b) too far forward (laterally) or backward (medially) of the target area (need to insert the needle just
medial to the pterygomandibular raphe à depth of 20 to 25 mm)
-Haste: Waiting three to five minutes after the injection before starting the procedure.
C. H2SiF
7. Which one of the following is used in water
fluoridation:
Explanation
Water fluoridation:
A. SnF
B. 1.23% APF
1- Hydrofluosilicic acid = H2SiF6 (not H2SiF2)
C. H2SiF
2- Sodium silicofluoride = Na2SiF6
D. CaSiF
3- Sodium fluoride = NaF
8. The best way to clean a cavity before the C. Polyacrylic acid
placement of GIC is,
Explanation
A. H2O2 also called:
B. Phosphoric Acid -Polycarboxylic acid
C. Polyacrylic acid -Polyalkenoic acid
A. Peritubular dentine
9. The most mineralised part of dentine is,
Explanation
A. Peritubular dentine
NOT intertubular & NOT interglobular dentine.
1000 MCQ's Dental ADC Waysem
, 8/7/24, 7:54 PM
10. A 45 years-old patient awoke with swollen face, B. Angioneurotic oedema
puffiness around the eyes, and oedema of the
upper lip with redness and dryness. When he went
to bed he had no swelling, pain or dental Angioedma (Type I Allergy) reaction to contrast media.
complaints. Examination shows several deep silicate
restorations in the anterior teeth but examination is
negative for caries, thermal tests, percussion,
palpation, pain, and periapical area of ramififaction.
The patient's temperature is normal. The day before
he had a series of gastrointestinal x-rays at the local
hospital and was given a clean bill of health.
The condition is:
A. Acute periapical abscess
B. Angioneurotic oedema
C. Infectious mononucleosis
D. Acute maxillary sinusitis
E. Acute apical periodontitis
11. Internal resorption is, B. Usually in a response to trauma
A. Radiolucency over unaltered canal
B. Usually in a response to trauma
C. Radiopacity over unaltered canal
12. On replantation of an avulsed tooth you could E. A, C and D
A. Surface resorption, external resorption Explanation
B. Internal resorption (B) Internal resorption doesn't follow avulsion/replantation.
C. Inflammatory resorption
D. Replacement resorption
E. A, C and D
F. All of the above
1000 MCQ's Dental ADC Waysem
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