Table 2 Knowledge about oral implants separated by gender (female n = 93, male n = 66) and age group (ag 1 n = 50, ag 2 n = 57, ag 3 n = 52), (Total (all participants) n = 159, n/% - number/percent, Ag – age groups; bold values in the “p” column indicate statistical significance (p – ANOVA and Bonferoni) with a significance level of p < 0.05), * purely descriptive analysis

What material are implants made of?

n = 136

n = 78

n = 58

Not possible

n = 60

n = 48

n = 28

Not possible

Titanium

35 / 25.7

23 / 29.5

12 / 20.7

13 / 21.7

16 / 33.3

6 / 21.4

Ceramic

33 / 24.3

16 / 20.5

17 / 29.3

14 / 23.3

12 / 25.0

7 / 25.0

Steel

25 / 18.4

12 / 15.4

13 / 22.4

12 / 20.0

9 / 18.8

4 / 14.3

Plastic

22 / 16.2

13 / 16.7

9 / 15.5

13 / 21.7

5 / 10.4

4 / 14,3

Others

12 / 8.8

9 / 11.5

3 / 5.2

3 / 5.0

6/ 12.5

3/ 10.7

Gold

9 / 6.6

5 / 6.4

4 / 6.9

5 / 8.3

0 / 0

4 / 14.3

Where are oral implants anchored?

n = 159

n = 93

n = 66

Not possible

n = 50

n = 57

n = 52

Not possible

In the jawbone

128 / 80.5

75 / 80.6

53 / 80.3

39 / 78.0

50 / 87.7

39 / 75.0

I don’t know.

21 / 13.2

13 / 14.0

8 / 12.1

5 / 10.0

3 / 5.3

13 / 25.0

To neighboring teeth

6 / 3.8

2 / 2.2

4 / 6.1

4 / 8.0

2 / 3.5

0 / 0

In the gum tissue

4 / 2.5

3 / 3.2

1 / 1.5

2 / 4.0

2 / 3.5

0 / 0

How long does an oral implant typically last? (in years)

n = 65

n = 34

n = 31

0.031

n = 22

n = 29

n = 14

0.56

Mean ± SD

Median (Range)

13.1 ± 6.1

12 (3–30)

15 ± 6.9

12.5 (5–30

10.9 ± 4.2

10 (3–20)

12.6 ± 5.5

10 (3–20)

14 ± 7.2

12 (5–30)

11.9 ± 3.9

12.5 (5–20)

4

Are special care and hygiene measures necessary when having oral implants?

n = 157

n = 92

n = 65

Not

n = 50

n = 56

n = 51

Not possible

No, they require the same care as natural teeth.

No, they require less care than natural teeth.

Yes, they require more care than natural teeth.

I don’t know.

80 / 51.0

5 / 3.2

47 / 29.9

25 / 15.9

49 / 53.3

0 / 0

28 / 30.4

15 / 16.3

31 / 47.7

5 / 7.7

19 / 29.2

10 / 15.4

possible

22 / 44.0

3 / 6.0

20 / 40.0

5 / 10.0

32 / 57.1

1 / 1.8

17 / 30.4

6 / 10.7

26 / 51.0

1 / 2.0

10 / 19.6

14 / 27.5

Is there an age limit for patients to receive oral implants?

n = 157

n = 91

n = 66

0.782

n = 50

n = 57

n = 50

0.024

Bonferoni

ag1:ag3 0.015

No

Yes

I don`t know.

82 / 52.2

23 / 14.6

52 / 33.1

43 / 47.3

17 / 18.7

31 / 34.1

39 / 59.1

6 / 9.1

21 / 31.8

33 / 66.0

6 / 12.0

11 / 22.0

28 / 49.1

12 / 21.1

17 / 29.8

21 / 42.0

5/ 10.0

24 / 48.0