ct quiz

prior to heating + pulling the EVA material down onto the trimmed model, a reservoir is created on the model which extends shy of the gingivial sulcus by:

a. 5 mm

b. 0.2mm

c. 0.5mm

d.2-3mm

c

what is primary reason for using custom tray for dental tooth whitening?

a. maximize neutralizing effect of potassium nitrate

b. enhance patient comfort

c. teeth experience sustained release of whitening agent

d. decrease dental sensitivity

c

trios intral scanner is:

a. open

b. closed

c. 3d printer

d. milling unit

a

sirona (cerec) is:

a. open

b. closed

c. 3d printer

d. milling unit

b

open systems are able to:

a. use w other tech (easier innovation)

b. no use w other tech (more reliable)

a

closed systems are able to:

a. use w other tech (easier innovation)

b. no use w other tech (more reliable)

b

scan strat for lower arch

a. none

b. o, l, b

c, b, l, o

d, o, b, l

b

scan strat for upper arch

a. none

b. o, l, b

c. b, l, o

d. o, b, l

d

lock feature on the trios used to:

a. protect entire scan from clean up

b. lock entire scan

c. lock margin so new scan data doesn’t override it

d. prevent further editing to digital prescription

c

patient chart # indicator viewed via:

a. f1

b. f3

c. f4

b

deleting image viewed via:

a. f1

b. f3

c. f4

c

shooting modes viewed via:

a. f1

b. f3

c. f4

a

what considered ground-breaking technology in history of intraoral cameras?

a. migration to cloud storage

b. connection via usb

c. elimination of floppy disk

d. camera w endoscopic handpiece

d

sprintray pro printer is what type of processing?

a. pj

b. sla

c. pbf

d. dlp

d

type of processing suitable for printing titanium dental implant

a. pj

b. sla

c. dlp

d. pbf

d

which of following materials currently used for 3d printing in dentistry?

a. metals

b. ceramics

c. resins

d. wax

e. all

e

what statement is accurate describe minimally invasive dentistry?

a. rely on sucessful bonding to enamel + dentin

b. only involves direct restoration using composite resin

c. does not take into account understanding of disease

d. keep preps small even if inadequate access to caries

a

prep of tooth to receive a monolithic zirconia crown after endo treatment. which phase?

a. systemic

b. definitive

c. acute

d. disease control phase

b

which statement incorrect regarding well constructed tx plan?

a. focus of treatment plan must be only surgical treatment of disease

b. involves pt & health care team

c. sequenced series of services designed to eliminate or control the etiologic factor

d. created as a response to problem list of each pt

a

best method to verify flash present

a. apply regular blue curing light

b. passing explorer from resin —> tooth

c. thin stream of air to dry surface

d. passing explorer from tooth —> resin

d

incremental layering helps w following except:

a. effects of c factor

b. post op sensitivity

c. adequate curing

d. removal of oxygen inhibited layer

d

when finishing + polishing composite, it is best that the bur rotate:

a. applying wetting resin to enhance luster

b. resin to tooth structure AND from tooth structure to resin

c. tooth structure to resing

d. resin to tooth structure

d

what do wear facets on stone models represent

a. MI contacts

b. faulty restorations

c. hyperocclusion

d. poor impression

a

what is power of stereo-microscopes on clinic floor?

a. 50X

b. 20X

c. 10X

d. 4X

c

all of the following statement are correct regarding the proper handling and mixing of alginate except:

a. mixing vigorously pressing spatula against the side of the mixing bowl

b. wipe/press the alginate in sequential manner into tray to avoid trapping air pockets

c. warmer the temperature the slower alginate will set

d. powder to water

c

the index tray of kois facial analyzer is used to:

a. capture relationship of maxillary teeth + maxilla to condyles

b. capture position of mandibular teeth in group function

c. register bite to transfer to analyzer bow

d. allows for its placement in diff positions of the adjustable platform

a

if an alginate impression is left in the open for hours before pouring gypsum into impression, the phenomenon that results in impression distorting is called:

a. gelling

b. syneresis

c. colloid hydration

d. imbibition

b

the working principle of trios scanner is:

a. active wavefront

b. active triangulation

c. confocal imaging

d. confocal microscopy

d

data acquired through an digital desktop scanner is:

a. direct data acquisition

b. inverse data acquisition

c. inverted data acquisition

d. indirect data acquisition

d

data acquired through a intraoral scanner is:

a. direct data acquisition

b. inverse data acquisition

c. inverted data acquisition

d. indirect data acquisition

a

what is the order for CAD/CAM dentistry?

a. scanner —> design software —> mill —> furnace

b. scanner —> mill —→ furnace —→ design software

c. scanner —> design software —> furnace —> mill

a

which of the following should be completed before scanning with the Itero?

a. fill in the prescription form in the new scan window

b. apply new wand barrier

c. check if any particle on the wand

d. all of the above

d

which is not a key factor when considering teeth whitening

a. concentration of the white agent

b. duration of whitening agent use

c. type of discoloration

d. patient age

e. all

e

which is following is true about incisor:

a. dimension of enamel + dentin are totally optically dependent

b. gingival aspect of facial should be thick enamel, thin dentin

c. lingual aspect of incisal portion should be thick enamel, thin dentin

d. lingual aspect of the incisal portion should be thin enamel, thick dentin

c

biggest errors is tray show through in the areas of the labial surfaces of anterior teeth. what is the best explanation for this error?

a. alginate mix too thin

b. tray was inserted to posteriorly

c. large void in alginate mix

d. tongue got int the way when inserting the tray

b

which of the following stays the same despite diff workflows?

a. isolation = cotton rolls/dri angles

b. preps

c. tissue management = dental laser or cord

d. all

d

which of the following are at pacific

a. trios 5 move

b. cerec

c. itero

d. sprint ray 3D printers

e. trios 4

f. acquisition only

g. all

a, b, d, f

prep of direct restoration of caries. which phase?

a. systemic

b. definitive

c. acute

d. disease control phase

d

formlabs printer is what type of processing?

a. pj

b. sla

c. pbf

d. dlp

b

stratasys printer is what type of processing?

a. pj

b. sla

c. pbf

d. dlp

a

erosive tooth wear which phase?

a. systemic

b. definitive

c. acute

d. disease control phase

d

removal of deep caries. which phase?

a. systemic

b. definitive

c. acute

d. disease control phase

d

cambra products. which phase?

a. systemic

b. definitive

c. acute

d. disease control phase

d

ortho. which phase?

a. systemic

b. definitive

c. acute

d. disease control phase

b

teeth receiving indirect restorations. which phase?

a. systemic

b. definitive

c. acute

d. disease control phase

b

vital bleaching. which phase?

a. systemic

b. definitive

c. acute

d. disease control phase

b

contouring teeth. which phase?

a. systemic

b. definitive

c. acute

d. disease control phase

b

veneers. which phase?

a. systemic

b. definitive

c. acute

d. disease control phase

b

dentures. which phase?

a. systemic

b. definitive

c. acute

d. disease control phase

b

implants. which phase?

a. systemic

b. definitive

c. acute

d. disease control phase

b

buildup + crown, which phase?

a. systemic

b. definitive

c. acute

d. disease control phase

b

which endo treatment do you do when you have conservative access wo minimal tooth structure loss?

a. seal access opening w composite

b. restore w core buildup + restoration (crown, onlay)

c. restore w post + restoration (crown, onlay)

a

which endo treatment do you do when you have >50% of coronal tooth structure

a. seal access opening w composite

b. restore w core buildup + restoration (crown, onlay)

c. restore w post + restoration (crown, onlay)

b

which endo treatment do you do when you have endodontically treated tooth w significant tooth loss?

a. seal access opening w composite

b. restore w core buildup + restoration (crown, onlay)

c. restore w post + restoration (crown, onlay)

c

esthetic dentistry, which phase?

a. systemic

b. definitive

c. acute

d. disease control phase

b