Selection Criteria Flashcards

0
Q

Which extra oral views may we take?

A

Oblique laterals
DPT
Lateral ceph

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1
Q

Which intra oral views can we take?

A

Periapical
Bitewing
Occlusal

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2
Q

What are the main indications for bite wings?

A

Detection of interproximal caries
Monitoring profession of caries
Assess existing restorations
Assessment of periodontal pocket depths up to 6mm using vertical bite wings

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3
Q

By how much does the diagnostic threshold for caries detection increase by when using bite wings?

A

4 fold

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4
Q

How much demineralisation is needed before You can see caries radiologically?

A

50% demineralisation is needed

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5
Q

T/F caries needs a low Kv to detect contrast?

A

T

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6
Q

T/F for assessment of periodontal needs, you need higher Kv?

A

T since need less contrast

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7
Q

What are the two methods of taking Periapical radiographs?

A

Long cone paralleling and bisecting angle

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8
Q

Which method of Periapical technique should be used?

A

LONG CONE PARALELLING

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9
Q

Name the occlusal radiographs available

A
Upper standard 
Upper oblique occlusal 
Lower 90 occlusal
Lower 45 occlusal 
Lower oblique occlusal
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10
Q

Which two occlusals are forms of large bisected angle Periapical?

A

Upper standard and lower 45

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11
Q

When would you take an upper standard occlusal?

A

Unable to take a Periapical
Trauma
Palatal pathology
2nd view to aid localisation

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12
Q

When would you take an upper oblique occlusal?

A

Unable to take a bite wing or pa

Provide view from diff angle

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13
Q

When would you take a lower 90 degree occlusal?

A

Detect for salivary calculus
Fracture of ant mandible
Gucci lingual expansion or cortical bone

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14
Q

When would you take a lower 45?

A

Unable to tolerate Periapical
Lesion too large to visualise on intra oral film
Anterior fracture of mandible

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15
Q

When would you take a lower oblique occlusal?

A

Cannot tolerate PAGE

Imaging SM gland

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16
Q

When do you radiograph in endo?

A

Pre op
Prior to obturation
Post obturation

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17
Q

When should you follow up X-rays in Endodontically treated teeth?

A

1 year on

4 years on

18
Q

When should you take a PA in advanced restorative dentistry?

A

Prior to placing a crown or using the tooth as an abutment

19
Q

What shout all X-ray’s be taken with the aid of?

A

Beam aiming devices and X-ray holders

20
Q

When would we take a DPT?

A
Prior to GA
Unerupted tooth in place or size too large that IO film could not be used
Prior to dental clearance
Ortho assessment 
Trauma 
Implant
Perio
21
Q

T/F DPT films should be re taken at timely intervals?

A

F

Only taken in the presence of specific clinical signs and symptoms

22
Q

What are the purposes of lateral Cephs?

A

Assess skeletal pattern
Angularity of incisors
Orthognathic planning

23
Q

When are CBCT’s indicated?

A

Implants

Fracture assessments

24
when would US be used?
Neck lump | Salivary stone
25
When would MRI be used?
Soft tissue lesions | TMJ
26
When is nuclear medicine used?
Rarely | TMJ hyperplasia
27
What angle is the upper oblique taken at?
65 degrees to the horizontal plane
28
What should you use with an upper oblique?
Thyroid collar
29
Which lower occlusal is the head tilted back?
Lower 90
30
Which would you use for salivary caliculi?
Lower 90
31
When would you use a lower oblique occlusal?
SM gland
32
How do you position the head in the oblique lateral?
Rotate head towards side of interest this is so that the Contralateral ramus is out of the way Need to raise the chin
33
What is the name for the space between the back of the ramus and the cervical spine?
The radiographic keyhole
34
When is the radiographic key hole of biggest interest?
When taking lateral obliques
35
What do you need for an oblique lateral?
Cassettes
36
When would we take a peri apical?
Root or pulpal path Extent of coronal pathology in anterior teeth Assessment of apical pathology Assessment of local anatomy
37
When would you take radiographs in perio?
To assess bone loss and furcation involvement Determine the presence of any causative factors Assist in treatment planning Evaluation of treatment
38
What are the guidelines for radiography in perio?
Uniform pocketing of less than 6mm or no recession: horizontal Pocketing of more than 6mm: vertical bitewing polls or minus periaplcals Irregular pocketing: periaplcals Periapical for perio endo Can consider DPT
39
What percentage of adults have at least one crown?
36%
40
What percentage of adults have more than 6 crowns?
5%
41
What is the average number of fillings ?
7
42
T/F bite wings are not recommended in the heavily restored dentition?
F | For caries assessment