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Table 4 Comparisons of fracture incidents among different instruments type (%)

From: Factors influencing incidents of complications while using nickel-titanium rotary instruments for root canal treatment

Respondents’ Classification

Which instruments fractured more? (%)

Total

NiTi rotary

SS hand files

NiTi hand files

Same fracture rate

General Dentists

69 (57.5)

33 (27.5)

0 (0)

18 (15)

120 (100)

Endodontists

76 (76.8)

14 (14.1)

3 (3)

6 (6.1)

99 (100)

Others

5 (50)

4 (40)

0 (0)

1 (10)

10 (100)

Total

150 (65.5)

51 (22.3)

3 (1.3)

25 (10.9)

229 (100)