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Table 2B Clinical initial situation and orthodontic findings with regard to a study group of 20 patients diagnosed Down Syndrome

From: Orofacial findings and orthodontic treatment conditions in patients with down syndrome – a retrospective investigation

Patient

Gender

Initial findings according to KIG

Anterior teeth

Transversal dental arch difference (Δ)

Tooth anomalies

  

OJ

OB

anterior

posterior

Number of missing teeth

Hypodontia

Dental hyoplasia

Displacement

1

m

U4

K4

P3

2.5

2.5

5

1

1

32

none

none

2

m

S5

U4

M4

3

1

-3.6

-2.1

6

12, 35, 31, 41, 42, 45

generalized

15

3

f

U4

M4

K4

-2.5

-1.8

0

-6

2

25, 42

generalized

none

4

f

S5

U4

M4

0

1

2.3

-5

10

15, 12, 22, 25, 35, 31, 41, 45

generalized

none

5

f

S5

U4

B4

0

-1.8

4.2

-2.3

2

12, 22

none

15, 25

6

m

U4

M4

K3

3

0

-8.1

-10.1

2

17, 27

none

none

7

m

U4

M4

K3

-1

-2

-7

-13

1

25

generalized

none

8

m

U4

M4

K3

-3

-6

0.7

-7.1

3

12, 22

generalized

14, 44

9

m

U4

S4

M4

-3

-2

1.5

5.2

1

45

none

none

10

m

M4

P4

E3

-1

0

1.5

-5.5

0

0

none

none

11

m

M4

K4

P3

-2

2

-3.7

-4.8

0

0

none

none

12

f

S5

U4

K4

3.5

2.5

0.1

-2.6

6

15, 12, 22, 25, 35, 45

generalized

14, 24

13

m

U4

P4

E3

6.2

3.8

-2.9

-3.8

1

35

isolated (12, 22)

none

14

f

U4

M4

K3

-1

1

-1.1

-4.9

2

35, 45

none

none

15

m

U4

O4

K4

2.5

-4.1

-1.3

-3

4

12, 22, 32, 31, 41

isolated (44, 45)

none

16

m

U4

M4

K4

0

0

-4.5

-7.7

1

12

none

none

17

f

M4

E3

P3

-2

3

0.3

-4

0

0

generalized

none

18

m

U4

M4

K4

-0.5

0

2.5

-2.5

1

31

none

none

19

m

U4

S4

M4

-2

0

-1.5

-9

1

35

none

none

20

m

U4

M4

K3

0

0.5

-2.5

-0.6

2

35, 45

none

none

Mean, SD

    

0.14

± 2.52

-0.02 ± 2.41

-0.91 ± 3.44

-4.39 ± 4.01

2.3

± 2.5

   
  1. OJ: Overjet. OB: Overbite. Δ: Upper – Lower dental arch, SD: Standard deviation