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Table 3 Complications of NiTi-RIs usage and comparisons with other instruments’ types (%)

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

Complications of NiTi-RIs Use

Respondents’ Classification (%)

General Dentists

Endodontists

Others

Total

Cumulative Total

Ledge formation

18 (12.5)

7 (6.7)

1 (8.3)

26 (10)

26 (10)

Root perforation

3 (2.1)

2 (1.9)

1 (8.3)

6 (2.3)

6 (12.3)

Straightening of canals

9 (6.2)

9 (8.7)

0 (0)

18 (6.9)

18 (19.2)

Files wedging

3 (2.1)

3 (2.9)

0 (0)

6 (2.3)

6 (21.5)

Canals’ transportation

3 (2.1)

6 (5.8)

1 (8.3)

10 (3.8)

10 (25.4)

Post-operation pain

9 (6.2)

3 (2.9

1 (8.3)

13 (5)

13 (30)

Instruments fracture

72 (50)

59 (56.7)

6 (50)

137 (52.7)

137 (83.1)

No complications

27 (18.8)

15 (14.4)

2 (16.7)

16 (16.9)

260 (100)

Total

144 (100)

104 (100)

12 (100)

260 (100)

Respondents’ Classification

Which Instruments Caused More Complications (%)

NiTi-RIs

SS hand files

The Same rate

Never had complications

Total

General Dentists

18 (12.5)

87 (60.4)

30 (20.8)

9 (6.2)

144 (100)

Endodontists

1 (1)

82 (78.8)

12 (11.5)

9 (8.7)

104 (100)

Others

1 (8.3)

7 (58.3)

2 (16.7)

2 (16.7)

12 (100)

Total

20 (7.7)

176 (67.7)

44 (16.9)

20 (7.7)

260 (100)