AIPGE 2005 Dental 14

131. 1 PPM fluoride implies -

1. 1 mg of fluoride in 1 liter of water.
2. 1 gm of fluoride in 1 liter of water.
3. 0.1 gm of fluoride in 1 liter of water.
4. 1 gm of fluoride in 100 ml of water.

132. Caries activity test that gives a quantitative determination of the acidogenic microorganism in the oral cavity -

1. Fosdick test.
2. Synder test.
3. Abans test.
4. Blawary Reductase test.

133. Class II cavity preparation for amalgam restoration in deciduous teeth requires -

1. More buccolingual extension.
2. More mesiodistal extension.
3. More gingival.
4. More cervical.

134. Amalgam achieves 70% of the strength by -

1. 2 hours.
2. 4 hours.
3. 8 hours.
4. 16 hours.

135. Hand over mouth technique was first described by -

1. Dr. Evangeline Jordan.
2. Addelson and Gold fried.
3. Dr. G. V. Black.
4. Dr. Goldman.

136. Nirous Oxide is a colourless, sweet smelling gas with a density of -

1. 1.5.
2. 0.5.
3. 2.5.
4. 3.5.

137. Oral screen -

1. Causes the child to breathe through the nose.
2. Allows for the passage of air through mouth.
3. Prevents passage of air through nares.
4. Allows the passage of air through mouth and nose.

138. Ormocers are -

1. Organically modified composites.
2. Inorganically modified composites.
3. Organically modified Glass Inomer Cement.
4. Inorganically modified Glass Inomer Cement.

139. Nanotillers are in the range of –

1. 10 – 100 microns.
2. 0.1 – 1 microns.
3. 0.01 – 0.1 microns.
4. 0.005 – 0.01 microns.

140. Speech retardation may be considered if the child does not talk by -

1. 12 months.
2. 18 months.
3. 24 months.
4. 36 months.