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Table 3 Association between the responses to time-related knowledge and practice during the restoration of ETT and post-placement with the specialty of a sample of Saudi dentists (n = 203)

From: Do dentists practice what they know? A cross-sectional study on the agreement between dentists' knowledge and practice in restoring endodontically treated teeth

Aspects

Knowledge n (%)

Χ2-value

p value

Practice n (%)

Χ2-value

p value

Time-related aspects

GDP

Resto

Endo

GDP

Resto

Endo

6. Time from obturation to start PSP?

   

5.96

0.427

   

28.69

 < 0.001*

Immediately after obturation

29(24.2)

24(35.3)

7(46.7)

  

15(12.5)

6(8.8)

9(60.0)

  

1–7 days after obturation

48(40.0)

26(38.2)

4(26.7)

  

74(61.7)

39(57.4)

5(33.3)

  

2–4 weeks after obturation

20(16.7)

8(11.8)

1(6.7)

  

18(15.0)

12(17.6)

0(0)

 

More than a month after obturation or duration of time is irrelevant

23(19.2)

10(14.7)

3(20.0)

  

13(10.8)

11(16.2)

(6.7)

  

7. Time of PSP in presence of periapical lesion?

   

58.40

 < 0.001*

   

50.68

 < 0.001*

Immediately after RCT

7(5.8)

15(22.1)

10(66.7)

  

6(5.0)

15(22.1)

10(66.7)

  

One week after RCT

9(7.5)

18(26.5)

2(13.3)

  

15(12.5)

16(23.5)

2(13.3)

  

6 months after RCT

20(16.7)

7(10.3)

1(6.7)

  

19(15.8)

9(13.2)

1(6.7)

  

Until there is evidence of periapical healing

84(70.0)

28(41.2)

2(13.3)

  

80(66.7)

28(41.2)

2(13.3)

  

8. Acceptable time from PSP until cementing the cast post and core?

   

6.24

0.397

   

6.27

0.547

Less than 1 week

46(38.3)

31(45.0)

9(60.0)

  

25(21.9)

17(25.4)

0†

  

1 week

42(35.0)

26(38.2)

4(26.7)

  

42(36.8)

32(47.8)

4(66.7)

  

2 weeks

30(25.0)

9(13.2)

2(13.3)

  

28(24.6)

11(16.4)

1(16.7)

  

More than 2 weeks

2(1.7)

2(2.9)

0

  

19(16.7)

7(10.4)

1(16.7)

  

9. Acceptable time duration from post cementation until cementation of the final crown?

   

18.27

0.006*

   

17.39

0.008*

Less than 1 week

33(27.5)

12(17.6)

3(20.0)

  

22(19.1)

3(4.5)

0†

  

From 1–2 weeks

61(50.8)

28(41.2)

6(40.0)

  

52(45.2)

28(41.8)

0

  

From 2–4 weeks

25(20.8)

18(26.5)

5(33.3)

  

32(27.8)

23(33.8)

3(75.1)

  

More than 1 month

1(0.8)

10(14.7)

1(6.7)

  

9(7.8)

13(19.1)

1(31.2)

  
  1. GDP general dental practitioner, Resto. restorative specialist, Endo. Endodontist, PSP post space preparation, ETT endodontically treated teeth
  2. *Statistically significant at p < 0.05. †Remaining endodontists did not answer since the situation/question did not apply to them, and they were excluded from the statistical test