Table 3.
Comparison of categorical variables of Questionnaire 1
| Test statistics | p | ||||||
|---|---|---|---|---|---|---|---|
| Number of root canal treatments performed per week | |||||||
| 1–2 | 3–5 | 6–10 | > 10 | ||||
| Workplace | |||||||
| Public Hospital | 5 (12.2) | 6 (14.6) | 11 (26.8) | 19 (46.3) | 8.704 | 0.191* | |
| Private Practise | 15 (9.6) | 35 (22.4) | 49 (31.4) | 57 (36.5) | |||
| University Hospital | 20 (20) | 20 (20) | 22 (22) | 38 (38) | |||
| Title | |||||||
| General Dentist | 22 (14.5)abc | 32 (21.1)ab | 55 (36.2) | 43 (28.3)a | 80.141 | 0.001** | |
| Endodontic residents/Ph.D. students | 0 (0)c | 0 (0)c | 7 (20.6) | 27 (79.4)b | |||
| Endodontist | 3 (5.1)bc | 9 (15.3)bc | 11 (18.6) | 36 (61)b | |||
| Pediatric Dentistry residents/Ph.D. students | 9 (34.6)a | 12 (46.2)a | 4 (15.4) | 1 (3.8)a | |||
| Pediatric Dentist | 6 (23.1)ab | 8 (30.8)ab | 5 (19.2) | 7 (26.9)a | |||
| Working length determination preference (~) | Graduation year | ||||||
| 1980–1989 | 1990–1999 | 2000–2009 | 2010–2019 | 2020- | |||
| Electronic apex locator | 13 (81.3) | 15 (93.8) | 24 (85.7) | 117 (77.5) | 64 (74.4) | 28.024 | 0.259* |
| Apex locator integrated-endomotor | 4 (25) | 3 (18.8) | 9 (32.1) | 70 (46.4) | 32 (37.2) | ||
| Panoramic radiography | 3 (18.8) | 2 (12.5) | 0 (0) | 8 (5.3) | 4 (4.7) | ||
| Paper point | 1 (6.3) | 0 (0) | 2 (7.1) | 13 (8.6) | 6 (7) | ||
| Finger sensitivity | 4 (25) | 4 (25) | 6 (21.4) | 30 (19.9) | 17 (19.8) | ||
| Periapical radiography | 7 (43.8) | 9 (56.3) | 21 (75) | 94 (62.3) | 48 (55.8) | ||
| Electronic working length determination preference | |||||||
| Yes | No | ||||||
| Year of graduation | |||||||
| 1980–1989 | 16 (100) | 0 (0) | 2.241 | 0.630* | |||
| 1990–1999 | 16 (100) | 0 (0) | |||||
| 2000–2009 | 28 (100) | 0 (0) | |||||
| 2010–2019 | 144 (95.4) | 7 (4,.) | |||||
| 2020- | 80 (93) | 6 (7) | |||||
| Workplace | |||||||
| Public Hospital | 31 (75.6)a | 10 (24.4) | 27.711 | < 0.001* | |||
| Private Practise | 154 (98.7)b | 2 (1.3) | |||||
| University Hospital | 99 (99)b | 1 (1) | |||||
| Title | |||||||
| General Dentist | 141 (92.8) | 11 (7.2) | 6.48 | 0.104* | |||
| Endodontic residents/Ph.D. students | 34 (100) | 0 (0) | |||||
| Endodontist | 59 (100) | 0 (0) | |||||
| Pediatric Dentistry residents/Ph.D. students | 25 (96.2) | 1 (3.8) | |||||
| Pediatric Dentist | 25 (96.2) | 1 (3.8) | |||||
*Pearson Chi-Square test
**Fisher-Freeman-Halton test
~ Multiple answers
a-cNo difference exists between groups with the same letter