Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Orthodontics > Index of Orthodontic Treatment Need (IOTN) > Flashcards

Index of Orthodontic Treatment Need (IOTN) Flashcards

1
Q

What is the score for excessive hypodontia with restorative implications (ie more than one tooth in any quadrant)?

A

5h

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What is 5i

A

impeded eruption of teeth (except of 3rd molars)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What is 5a?

A

increased overjet of more than >9mm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What is the score for reverse overjet of >3.5mm with reported masticatory and/or speech problems?

A

5m

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What is 5p

A

defects of cleft lip and palate/ other craniofacial abnormality

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

what is the score for submerged primary teeth?

A

5s

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

what is 4h

A

less extensive hypodontia requiring restorative input or orthodontic space closure

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

what is the score for an increased overjet of >6mm ≤ 9mm

A

4a

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What is 4b in IOTN?

A

reverse overjet >4.5mm with no reported masticatory or speech problems

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What score would you assign for anterior or posterior crossbites with >2mm displacement

A

4c

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What score would you assign for a reverse overjet of >1mm ≤ 3.5mm with recorded masticatory and speech difficulties?

A

4m

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What is 4I

A

posterior lingual crossbite (scissor bites) with no occlusal contact in one or both buccal segments

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What is 4d?

A

contact point displacement of >4mm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What score would you assign extreme lateral/AOB of >4mm?

A

4e

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What is 4f in IOTN

A

Increased and complete overbite with palatal trauma

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What is 4t in IOTN

A

partially erupted teeth impacted against neighbouring tooth

17
Q

What score do you give supernumerary teeth?

A

4x

18
Q

What is 3a in IOTN?

A

Increased overjet >3.5mm <6mm with incompetent lips

19
Q

what is 3b in IOTN

A

reverse overjet of >1mm < 3.5mm

20
Q

What score would you give anterior or posterior crossbites with >1mm ≤ 2mm discrepancy between CR and CO?

A

3c

21
Q

What is 3d in IOTN?

A

contact point displacement of >2mm ≤ 4mm

22
Q

What score would you give lateral/AOB of >2mm ≤ 4mm?

A

3e

23
Q

What is 3f in IOTN?

A

deep overbite complete on gingival or palatal tissue without trauma

24
Q

What is 2a in IOTN?

A

increased overjet of >3.5mm <6mm but with competent lips

25
Q

What score would you give reverse overjet >0mm <1mm

A

2b

26
Q

What score would you give anterior or posterior crossbite with ≤ 1mm discrepancy between CO and CR?

A

2c

27
Q

What is 2d in IOTN?

A

contact point displacement >1mm ≤ 2mm

28
Q

What is 2e in IOTN?

A

lateral/anterior open bite of >1mm ≤ 2mm

29
Q

What is 2f in IOTN?

A

increased overbite of 3.5mm or more without gingival contact

30
Q

What is 2g in IOTN?

A

pre normal or post normal occlusions with no other anomalies ( < 1/2 unit discrepancies)

31
Q

What is 1 in IOTN?

A

extremely minor malocclusions including <1mm contact point discrepancies

Orthodontics (1 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions