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23 Implants > 8/23 - Virtual Treatment Planning, Trios, Intraoral Scanning > Flashcards

8/23 - Virtual Treatment Planning, Trios, Intraoral Scanning Flashcards

1
Q

what are the different types of imaging

A
  1. periapical
  2. panoramic
  3. cone-beam computed tomography
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2
Q

advantages of PA radiograph

A
  1. high resolution
  2. detailed
  3. easy aquisition
  4. low exposure
  5. inexpensive
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3
Q

disadvantages of PA radiograph

A
  1. unpredictable magnification
  2. small imaged area (don’t get broad view of pt)
  3. 2D image
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4
Q

indications for a PA

A
  1. determine health of individual teeth
  2. evaluate bone around implant
  3. determine angulation during implant placement
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5
Q

panoramic is also called what

A

orthopantogram

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6
Q

advantages of pano

A
  1. easy acquisition
  2. image both arches (broad view)
  3. anatomical assessment
  4. low exposure
  5. inexpensive
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7
Q

disadvantages of pano

A
  1. unpredictable magnification
  2. lacks details
  3. 2D image
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8
Q

what is the magnification of a pano

A

~25% horizontal and vertical magn

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9
Q

indications for a pano

A
  1. screening image
  2. broad pic, image anatomical structures
  3. rough estimate of distances between teeth and vital structures
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10
Q

what does CBCT stand for

A

cone beam computed tomography

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11
Q

advantages of CBCT

A
  1. 3D representation
  2. predictable magnification
  3. detailed
  4. digital
  5. images entire arch
  6. low dose (compared to medical grade CBCT or CAT scan)
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12
Q

disadvantages of CBCT

A
  1. special equipment
  2. expensive
  3. images entire arch
  4. requires ‘simulation’ software programs
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13
Q

about how much are the CBCT simulation software programs

A

$5000

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14
Q

indications for CBCT

A
  1. implant evaluation
  2. pathology
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15
Q

Virtual implant treatment planning programs utilize what type of files

A

raw dicom files (data from CBCT)

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16
Q

virtual implant treatment planning programs allow simulation of what

A

implant placement virtually

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17
Q

what simulation software is the sister company for Astra

A

Simplant

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18
Q

what are examples of simulation software

A
  1. Simplant
  2. coDiagnosiX
  3. Planmeca Romexis
  4. Anatomage/Invivo
  5. Nobel Clinician
  6. Blue Sky Bio
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19
Q

what are the different anatomical planes that can be used for simulation software

A

axial, coronal, sagittal

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20
Q

are you able to tell if a pt has a bone graft or sinus lift with simulation software

A

YES

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21
Q

using the simulation software, can you determine if a significant sinus lift is needed prior to placing implant

A

YES

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22
Q

All phase I treatment must be completed prior to ___

A

CBCT

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23
Q

what is part of phase I treatment

A
  1. direct restorations
  2. periodontal therapy
  3. endodontic therapy
  4. extractions
  5. interim prostheses
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24
Q

T/F: comprehensive exams must be completed for all patients except referral patients

A

FALSE! comprehensive exams must be done including referral patients

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25
Q

what is done during comprehensive exam

A
  1. clinical exam
  2. probe depths
  3. radiographs
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26
Q

after completing comprehensive exam at step 1, what is done

A

interdepartmental consultation with prosth

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27
Q

if phase I treatment is necessary, what must be done

A

initiate disease control treatment plan - don’t include anything dealing with implant

28
Q

what is the treatment plan during step 1

A
  1. diagnostic casts
  2. implant evaluation
  3. CBCT (max/mand)
  4. 3D treatment plan
29
Q

how much is CBCT

A

$175

30
Q

how much is implant evaluation

A

$100 nonrefundable

31
Q

how long is CBCT acquisition appointment

A

1/2 hour

32
Q

who will interpret CBCT scan and write a report

A

radiologist

33
Q

are we responsible for everything captured in CBCT image? will we receive an email when report is ready?

A

yes, yes

34
Q

what to do once you have a CBCT report

A
  1. correlate radiographic findings w/ clinical evaluation
  2. schedule 1st look of CBCT w/ prosthodontic faculty
35
Q

what are indications for scanning

A
  1. fixed
  2. removable
  3. implants
  4. ortho - aligner tracking
  5. restorative
  6. diagnosis/monitoring
36
Q

how can you use scanning for diagnosis/monitoring

A
  1. gingival changes
  2. wear (bruxism)
  3. ortho relapse
  4. soft/hard tissue monitoring
37
Q

what Trios do we have at school

A
  1. Trios 3 - cordless
  2. Trios 3 Basic - w/ cord
38
Q

what lab to select when implant planning

A

implant concierge

39
Q

what lab to select when completing crown or implant restoration

A

Creighton University Fixed Lab

40
Q

what is the delivery date for a Creighton restoration

A

3 weeks from scan

41
Q

where are scanning tips located

A

dispensing

42
Q

what is the difference between the scanner tip vs protective cover

A

scanning tip has a mirror and protective cover has plastic button

43
Q

does the scanner require time to warm up

A

yes it might

44
Q

when scanning, what arch do you start with

A

lower arch

45
Q

proper scanning generates what

A

clicking sound

46
Q

is it okay if the image on the lower right corner is blurry?

A

NO! should be clear

47
Q

outline of the scanning should be what color? if it is what color, it is not scanning.

A

green; if it’s red, it’s not working

48
Q

how far from the occlusal should the tip of scanner be placed

A

~1 inch

49
Q

what do you do if the scanner starts losing a scan

A

go back to a scan already done and it will usually re-recognize and then continue to the new location

50
Q

when completing scan for implants, what must you capture

A
  1. edentulous area including several mm’s of mucosa
  2. clear deifnition of adjacent teeth
51
Q

what are different post scan functions

A
  1. trim
  2. lock
  3. zoom
  4. HD photo functions
52
Q

order of the different types of scans

A

lower -> upper -> occlusion

53
Q

green areas indicate what?

A

more data is needed

54
Q

yellow areas/arrows indicate what

A

more data is needed near preparation

55
Q

do you scan the occlusion in one whole or separately

A

separately under ‘Bite 1’ and ‘Bite 2’

56
Q

how do you typically start oclusion scan

A

typically start w/ upper molar then move towards canine. begin on single side, scanning distal to mesial, capturing hard and soft tissue w/ rolling motion

57
Q

during analysis, right side tool bar allows for what

A

position, colorization, annotation and individual arch removal

58
Q

during analysis, lower tool bar provides what

A

potions for direction, margin, clearance, annotation, shade and HD photos

59
Q

how to finalize and send a scan

A
  1. click tools icon to reveal post-processing
  2. envelope should be present that will allow you to send processed scan to the lab of choice
60
Q

what are the CBCT atomic planes

A

transverse, coronal, sagittal

61
Q

Trios scan is what kind of f ile

A

.stl

62
Q

T/F: any pathology in CBCT is your liability and you need to address it appropriately

A

TRUE

63
Q

most reliable technique for final implant planning is

A

CBCT

64
Q

what does STL stand for

A
  1. Standard Tesselation Language file format
  2. Stereolithography file format
  3. Standard Triangle Language file format
65
Q

do CBCT have high dosage

A

no

66
Q

do PA radiographs have high resolution

A

Yes

23 Implants (9 decks)

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