Primary and secondary impressions #WikiDentia

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1. For ulcers and unhealthy abused tissues , it is favorable to use

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a. Neutral zone impression technique

b. selective displacement impression

c. Admixed impression technique

d. functional relining impression technique

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2. For maxillary anterior flappy ridge ,prosthetic management can make

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a. surgical removal

b. bone augmentation

c. open window impression technique

d. all of the above

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3. with mandibular unemployed ridge ,favorable management is

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a. selective displacement impression technique

b. splint method impression

c. open window technique

d. butterfly impression technique

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4. With mandibular flat ridge with firmly attached mucosa ,the best way for impression is

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a. selective displacement impression technique

b. admixed technique (mc cord Tyson )

c. open window impression technique

d. mucocompressive imprssion technique

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5. The only material that can record functional movement of tissue is

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a. mouth temperature wax

b. light body bite silicon material

c. tissue conditioner

d. PIP

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6. Neutral zone impression technique is especially indicated for completely edentulous patient with

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a. large torus palatinus

b. large tongue

c. large bilateral undercut

d. well developed ridge

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7. All of the following are symptoms of Kelly syndrome except

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a. overgrowth of tuberosity

b. flabby mandibular anterior region

c. papillary hyper plasia

d. mandibular posterior ridge resorption

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8. The admixed of impression technique and tracing compound can be helpful in case of flat ridge covered by

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a. flappy displaceable tissue

b. firmly attached mucosal tissues

c. atrophic non keratinized tissue

d. irritated unhealthy mucosal tissue

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9. Functional relining impression is not related to occlusal relation of denture

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A. True

B. False

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10. patient complain of bell's palsy ,or parkinsonism disease so has poor adaptation of muscles toward denture so need to manage this problem by

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a. set teeth over crest of the ridge

b. making functional relining impression technique

c. decrease number of artificial teeth

d. making neutral zone impression technique

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11. The posterior boundary of lower tray:

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a. Buccal shelf bone

b. fovea palatina

c. retromolar pad

d. mylohyoid bone

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12. its preferable to make mandibular impression at first as foreign body in mouth causes increased salivation rate

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a. 1st statement is true, 2nd statement is false

b. 1st statement is false, 2nd statement is true

c. both statements are true

d. both statements are false

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13. for lower impression, operator should stand in. ........ O’clock while in upper should stand in ……. o'clock

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a. 4-12

b. 11-1

c. 7-11

d. 11-7

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14. regarding compound impression procedure, Compound is material shaped is as ……. In upper, while in lower shaped is ........

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a. Cube — ball

b. roll — ball

c. ball — roll

d. roll — cube

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15. The most posterior boundary to be recorded of maxillary impression is:

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a. maxillary tuberosity

b. posterior palatal seal

c. fovea palatina

d. hamular notch

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16. All of the maxillary are common faults in compound impression except:

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a. sagging

b. insufficient material

c. improper mixing

d. pressure and exposed tray

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17. Mix of alginate should be:

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a. watery

b. creamy

c. thick trophy

d. solid

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18. Metal showing during alginate procedure of lower arch is due to:

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a. excessive salivation

b. tongue trapped under lingual flange

c. too much pressure used

d. mix failure

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19. Which one of the following is based on pascal's law

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a. Mucostatic theory

b. mucocomprssive theory

c. functional impression

d. selective pressure theory

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20. The ideal impression material to be used minimal pressure impression

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a. compound

b. thick mix alginate

c. agar-agar

d. plaster of paries

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