Table 4.
DD use in adult/paediatric patients and in various clinical procedures
| Mandatory usage of DD, N (%) | Actual application frequency of DD, N (%) | I have never done this before | |||||||
| Mandatory | Optional | Always (100%) | Mostly (76%–99%) |
Often (51%–75%) | Occasionally (26%–50%) | Rarely (1%–25%) | Never (0%) | ||
| Adult patients | |||||||||
| CQMU | 0 (0.0) | 76 (100.0) | 0 (0.0) | 6 (7.9) | 12 (15.8) | 9 (11.8) | 18 (23.7) | 31 (40.8) | 0 |
| CQTGMC | 0 (0.0) | 162 (100.0) | 0 (0.0) | 5 (3.1) | 8 (4.9) | 19 (11.7) | 36 (22.2) | 94 (58.0) | 0 |
| Child patients | |||||||||
| CQMU | 0 (0.0) | 53 (100.0) | 0 (0.0) | 2 (3.8) | 4 (7.5) | 3 (5.7) | 6 (11.3) | 38 (71.7) | 23 |
| CQTGMC | 0 (0.0) | 157 (100.0) | 0 (0.0) | 3 (1.9) | 5 (3.2) | 10 (6.4) | 22 (14.0) | 117 (74.5) | 5 |
| Anterior composites | |||||||||
| CQMU | 0 (0.0) | 71 (100.0) | 0 (0.0) | 3 (4.2) | 3 (4.2) | 5 (7.0) | 8 (11.3) | 52 (73.2) | 5 |
| CQTGMC | 0 (0.0) | 156 (100.0) | 0 (0.0) | 3 (1.9) | 9 (5.8) | 9 (5.8) | 18 (11.5) | 117 (75.0) | 6 |
| Anterior glass-ionomer cement | |||||||||
| CQMU | 0 (0.0) | 60 (100.0) | 0 (0.0) | 2 (3.3) | 4 (6.7) | 3 (5.0) | 5 (8.3) | 46 (76.7) | 16 |
| CQTGMC | 0 (0.0) | 153 (100.0) | 0 (0.0) | 2 (1.3) | 6 (3.9) | 7 (4.6) | 16 (10.5) | 122 (79.7) | 9 |
| Posterior composites | |||||||||
| CQMU | 0 (0.0) | 74 (100.0) | 0 (0.0) | 3 (4.1) | 5 (6.8) | 9 (12.2) | 18 (24.3) | 39 (52.7) | 2 |
| CQTGMC | 0 (0.0) | 159 (100.0) | 0 (0.0) | 6 (3.8) | 12 (7.5) | 12 (7.5) | 26 (16.4) | 103 (64.8) | 3 |
| Posterior glass-ionomer cement | |||||||||
| CQMU | 0 (0.0) | 64 (100.0) | 0 (0.0) | 1 (1.6) | 5 (7.8) | 6 (9.4) | 14 (21.9) | 38 (59.4) | 12 |
| CQTGMC | 0 (0.0) | 152 (100.0) | 0 (0.0) | 4 (2.6) | 6 (3.9) | 9 (5.9) | 17 (11.2) | 116 (76.3) | 10 |
| Posterior amalgams | |||||||||
| CQMU | 0 (0.0) | 33 (100.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 3 (9.1) | 5 (15.2) | 25 (75.8) | 43 |
| CQTGMC | 0 (0.0) | 107 (100.0) | 0 (0.0) | 1 (0.9) | 1 (0.9) | 6 (5.6) | 14 (13.1) | 85 (79.4) | 55 |
| Root canal treatment of anterior teeth | |||||||||
| CQMU | 0 (0.0) | 66 (100.0) | 1 (1.5) | 4 (6.1) | 5 (7.6) | 1 (1.5) | 2 (3.0) | 53 (80.3) | 10 |
| CQTGMC | 0 (0.0) | 162 (100.0) | 0 (0.0) | 3 (1.9) | 8 (4.9) | 14 (8.6) | 24 (14.8) | 113 (69.8) | 0 |
| Root canal treatment of premolar teeth | |||||||||
| CQMU | 2 (3.2) | 61 (96.8) | 2 (3.2) | 3 (4.8) | 7 (11.1) | 4 (6.3) | 8 (12.7) | 39 (61.9) | 13 |
| CQTGMC | 0 (0.0) | 161 (100.0) | 0 (0.0) | 5 (3.1) | 6 (3.7) | 14 (8.7) | 25 (15.5) | 111 (68.9) | 1 |
| Root canal treatment of molar teeth | |||||||||
| CQMU | 3 (4.9) | 58 (95.1) | 3 (4.9) | 6 (9.8) | 10 (16.4) | 4 (6.6) | 7 (11.5) | 31 (50.8) | 15 |
| CQTGMC | 0 (0.0) | 154 (100.0) | 0 (0.0) | 7 (4.5) | 13 (8.4) | 14 (9.1) | 26 (16.9) | 94 (61.0) | 8 |
CQMU, Chongqing Medical University; CQTGMC, Chongqing Three Gorges Medical College; DD, dental dam.