239.All are true for home bleaching,except

a.Uses 15%carbamide peroxide
b.In addition to bleaching agent carbapol is used
c.Vacuum from vinyl trays are used
d.Both arches bleached simultaneously


Ans-d.Both arches bleached simultaneously

Explanation-sturdvent 4th ed pg 610-612
It is recommended that only one arch be bleached at a time, beginning with maxillary arch.bleaching the maxillary arch first allows theuntreated mandibular arch to serve as a comparison.

85.Axial bones in skull are:

1. 8. 2. 14.

3. 22. 4. 28.

ANS. 4

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53.Broca’s area is:

1. 44 and 45.
2. 40 and 42.
3. 43 and 44.
4. None.


ANS>b
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52.Hypoglossal nerve does not supply:

1. Genioglossus.
2. Palatoglossus.
3. Styloglossus.
4. Hypoglossus.


ANS>b
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50.In a obese person, BMI is :

a)>10 b)>20
c)>30 d)>40


ANS: C


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46.The secretory product of odontoblasts is:

a. Topocollagen. b. Calcium salts.
c. Mantle dentin. d. Hydroxyapatite

ANS.C

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39.The most common site for CSF rhinorrhea

a. frontal bone b. ethmoid bone
c. tegmen tympani d. none

ANS. b ethmoid bone

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38.The largest sized pororsity is:

1. Micro porosity. 2. Pin hole porosity.
3. Suck back porosity 4. Gas inclusion porosity

ANS.3 ref Skinner’s 10th -518


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36.The first dental college in India was started in Calcutta by Dr. Rafiuddin Ahmed in:

1. 1930 2. 1925
3. 1920 4. 1915

ANS.3 ref Soben Peter-12


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35.The ability of a test to identify correctly all those who have the disease, that is minimum false negative result is:

1. Predictivity 2. Negativity
3. Sensitivity 4. Specificity

ANS.2 ref Park-408

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34.Which of the following point is located at geographic center of ramus?

1. Ptm point. 2. Key point.
3. Xi point. 4. Gonion.

ANS. 3.ref pg 98 Gurkeerat Singh – 1st Ed.


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33.Specific gravity of enamel is:

a. 1.9. c. 2.5.

b. 2.2 d. 2.8.

ANS.d ref
Orbans-45


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32. Acroparesthesia is also called as:

1. Anesthesia.
2. Hyperesthesia.
3. Paraesthesia.
4. Coma.

ANS.3 ref Zargar - 13


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32.Which nerve passes through Menke’s cave?

1. Abducent. 2. Facial. 3. Trigeminal. 4. Trochlear.

ANS.3
REF. (BDC III - 100)


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31.Which of the following malocclusion has about 75% of hereditary component associated with it?

1. Class I.2.II.3.III.
4. Both 1 and 3.

ANS.3


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30.Which of the following is also known as scissors bite?

1. Simple posterior cross bite. 2. Buccal non occlusion.
3. Lingual non occlusion. 4. None of the above.

ANS. 2


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29.High FMA angle indicates:

1. Good prognosis.
2. Bad prognosis.
3. Good bone growth.
4. Class III relation

ANS. 2.
ref pg 111,Gurkeerat Singh – 1st Ed.

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28.Which of the following methods of study of physical growth are not longitudinal?

1. Craniometry. 2. Anthropometry.
3. Cephalometric radiography.
4. Both 1 and 2.

ANS. 1.
ref pg 8 Gurkeerat Singh – 1st Ed.


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27. Dental floss is used for cleanning which type of embrasures:

a) Type 1       b)2       c)3      d) all

ANS. A

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26. The most common cause of failure of the IDN “Inferior Dental Nerve” block is

A. Injecting too low
B. Injecting too high
ANS. A

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