29 June 2023: Database Analysis
Unlocking Endocrown Restoration Expertise Among Dentists: Insights from a Multi-Center Cross-Sectional Study
Mohammed M. Al Moaleem 1ACDE* , Nasser M. Al Ahmari 2DFG , Saeed M. Alqahtani 2BEG , Thrya S. Gadah 2DFG , Amal K. Jumaymi 3BG , Mansoor Shariff 2ACF , Amal S. Shaiban 4DG , Wafa H. Alaajam 4BDG , Bandar M.A. Al Makramani 1CEF , Masood A.N. Depsh 5BG , Fayez Y. Almalki 5BG , Nasser A. Koreri 5BGDOI: 10.12659/MSM.940573
Med Sci Monit 2023; 29:e940573
Table 1 Association of knowledge with gender, level of education, country of graduation, and working place.
| Variables | Subcategory | Gender | p-value | Level of education | p-value | ||||
|---|---|---|---|---|---|---|---|---|---|
| Male | Female | Intern | Graduated <5 years of experience | Graduated >5 years experience | |||||
| From where you got information about EC? | Friends | 79 (27.7) | 189 (63.4) | 0.001MC | 154 (46.8) | 52 (38.2) | 62 (52.5) | MC | |
| College | 94 (32.9) | 52 (17.4) | 77 (23.4) | 41 (30.1) | 28 (23.7) | ||||
| Media | 91 (31.9) | 29 (9.7) | 84 (25.5) | 29 (21.3) | 7 (5.9) | ||||
| By email | 14 (4.9) | 28 (9.4) | 14 (4.2) | 14 (10.2) | 14 (11.8) | ||||
| Workshop | 7 (2.4) | 0 | 0 | 7 (5.9) | 0 | ||||
| EC restorations are indicated for? | Molar teeth | 221 (77.5) | 136 (45.6) | 0.001C | 238 (72.3) | 56 (41.1) | 63 (53.3) | C | |
| Anterior teeth | 35 (12.2) | 43 (14.4) | 35 (10.6) | 12 (8.8) | 31 (26.2) | ||||
| Premolar teeth | 14 (4.9) | 42 (14.0) | 14 (4.2) | 34 (25) | 8 (6.7) | ||||
| I don’t know | 77 (25.8) | 15 (5.2) | 42 (12.7) | 34 (25) | 16 (13.5) | ||||
| Goal of EC usage is to achieve minimally invasive preparations and to conserve existing tooth structure? | True | 242 (84.9) | 164 (55.0) | 0.001C | 252 (76.6) | 59 (43.3) | 95 (80.5) | C | |
| False | 21 (7.3) | 43 (14.4) | 21 (6.3) | 36 (26.4) | 7 (5.9) | ||||
| I don’t know | 22 (7.7) | 91 (30.5) | 56 (17) | 41 (30.1) | 16 (13.5) | ||||
| What is the finish line of EC preparation? | Butt joint | 122 (42.8) | 112 (37.5) | 0.001C | 161 (48.9) | 31 (22.7) | 42 (35.5) | C | |
| Shoulder finish line | 56 (19.6) | 59 (19.0) | 56 (17) | 31 (22.7) | 28 (23.7) | ||||
| Chamfer finish line | 56 (19.6) | 15 (5.0) | 35 (10.6) | 15 (11) | 21 (17.8) | ||||
| I don’t know | 51 (17.8) | 112 (37.5) | 77 (23.4) | 59 (43.3) | 27 (22.8) | ||||
| Material of choice for EC is all ceramic? | Yes | 213 (74.7) | 157 (52.6) | 0.001C | 231 (70.2) | 79 (58) | 60 (50.8) | C | |
| No | 35 (12.2) | 50 (16.7) | 28 (8.5) | 22 (16.1) | 35 (29.6) | ||||
| I don’t know | 37 (12.9) | 91 (30.5) | 70 (21.2) | 35 (25.7) | 23 (19.4) | ||||
| ECs are fabricated using? | CAC/CAM technology | 157 (55.0) | 148 (49.6) | 0.09C | 189 (57.4) | 63 (46.3) | 53 (44.9) | C | |
| Pressable technology | 50 (17.5) | 44 (14.7) | 28 (8.5) | 24 (17.6) | 42 (35.5) | ||||
| I don’t know | 78 (27.3) | 106 (35.5) | 112 (34.) | 57 (41.9) | 15 (12.7) | ||||
| EC design showed higher fracture resistance than conventional crown? | True | 123 (43.1) | 92 (30.8) | 0.001C | 98 (29.7) | 42 (30.8) | 75 (63.5) | C | |
| False | 63 (22.1) | 121 (40.6) | 119 (36.1) | 37 (27.2) | 28 (23.7) | ||||
| I don’t know | 99 (34.7) | 85 (28.5) | 112 (34) | 57 (41.9) | 15 (12.7) | ||||
| Recommended pulp chamber height to be left for retention of EC is… | 2 mm | 58 (20.3) | 36 (12) | 0.001C | 56 (17) | 8 (5.9) | 30 (25.4) | C | |
| 3 mm | 85 (29.8) | 135 (45.3) | 119 (36.1) | 64 (47.1) | 37 (31.3) | ||||
| 4 mm | 77 (27.0) | 57 (19.1) | 70 (21.2) | 29 (21.3) | 35 (29.6) | ||||
| I don’t know | 65 (22.8) | 70 (23.4) | 84 (25.5) | 35 (25.7) | 16 (13.5) | ||||
| If floor of pulp chamber is not completely flattened, incidence of failure of ECs will increase? | True | 157 (55) | 79 (26.5) | 0.001C | 126 (38.3) | 37 (27.2) | 73 (61.8) | C | |
| False | 63 (22.1) | 71 (23.8) | 49 (14.8) | 56 (41.2) | 29 (24.5) | ||||
| I don’t know | 65 (22.8) | 148 (49.6) | 154 (46.8) | 43 (31.6) | 16 (13.5) | ||||
| Does EC increase the rate of tooth fracture? | Always | 14 (4.9) | 42 (14) | 0.001C | 35 (10.6) | 7 (5.15%) | 14 (11.8) | C | |
| Never | 156 (54.7) | 79 (26.5) | 119 (36.1) | 52 (38.24%) | 64 (54.2) | ||||
| Sometimes | 115 (40.3) | 177 (59.4) | 175 (53.1) | 77 (56.62%) | 40 (33.9) | ||||
| Can EC be an alternative to conventional post-core? | No | 66 (23.1) | 36 (12) | 0.001C | 35 (10.6) | 39 (28.7) | 28 (23.7) | C | |
| Yes | 190 (66.6) | 199 (66.7) | 231 (70.2) | 82 (60.2) | 76 (64.4) | ||||
| I don’t know | 29 (10.1) | 63 (21.1) | 63 (19.1) | 15 (11) | 14 (11.8) | ||||
| 28 (6.2) | 7 (14.3) | 7 (20) | 0 | MC | 28 (12.1) | 7 (5.5) | 7 (3.2) | 0 | MC |
| 98 (21.8) | 8 (16.3) | 7 (20) | 33 (76.7) | 25 (10.8) | 35 (27.7) | 86 (40.3) | 0 | ||
| 214 (47.6) | 31 (63.2) | 7 (20) | 9 (20.9) | 134 (58.2) | 84 (66.6) | 50 (23.4) | 0 | ||
| 109 (24.2) | 3 (6.1) | 7 (20) | 1 (2.3) | 36 (15.6) | 0 | 70 (32.8) | 14 (100) | ||
| 0 | 0 | 7 (20) | 0 | 7 (3) | 0 | 0 | 0 | ||
| 69 (15.3) | 1 (2.1) | 0 | 8 (18.6) | C | 29 (12.6) | 35 (27.7) | 14 (6.6) | 0 | MC |
| 74 (16.4) | 10 (20.4) | 0 | 1 (2.3) | 57 (24.7) | 14 (11.1) | 21 (9.8) | 0 | ||
| 271 (60.3) | 24 (48.9) | 28 (80) | 34 (79) | 130 (56.5) | 56 (44.4) | 157 (73.7) | 14 (100) | ||
| 35 (7.8) | 14 (28.5) | 7 (20) | 0 | 14 (6) | 21 (16.6) | 21 (9.9) | 0 | ||
| 89 (19.8) | 9 (18.3) | 7 (20) | 1 (2.3) | C | 43 (18.7) | 42 (33.3) | 28 (13.2%) | 0 | MC |
| 14 (3.1) | 21 (42.8) | 7 (20) | 22 (51.1) | 15 (6.5) | 28 (22.2) | 21 (9.8) | 0 | ||
| 346 (77) | 19 (38.7) | 21 (60) | 20 (46.5) | 172 (74.7) | 56 (44.4) | 164 (77) | 14 (100) | ||
| 195 (43.4) | 15 (30.6) | 21 (60) | 3 (6.9) | C | 107 (46.5) | 14 (11.1) | 99 (46.4) | 14 (100) | MC |
| 56 (12.4) | 8 (16.3) | 0 | 7 (16.2) | 28 (12.1) | 14 (11.1) | 29 (13.6) | 0 | ||
| 128 (28.5) | 19 (38.7) | 7 (20) | 2 (4.6) | 44 (19.1) | 70 (55.5) | 49 (23.0) | 0 | ||
| 70 (15.5) | 7 (14.2) | 7 (20) | 31 (72) | 51 (22.1) | 28 (22.2) | 36 (16.9) | 0 | ||
| 89 (19.8) | 23 (46.9) | 0 | 9 (20.93) | C | 37 (16) | 49 (38.8) | 42 (19.7) | 0 | MC |
| 49 (10.9) | 21 (42.8) | 14 (40) | 1 (2.3) | 15 (6.5) | 35 (27.7) | 35 (16.4) | 0 | ||
| 311 (69.2) | 5 (10.2) | 21 (60) | 33 (76.7) | 178 (77.3) | 42 (33.3) | 136 (63.8) | 14 (100) | ||
| 249 (55.4) | 10 (20.4) | 21 (60) | 25 (58.1) | C | 143 (62.1) | 42 (33.3) | 113 (53) | 7 (50) | MC |
| 151 (33.6) | 11 (22.4) | 7 (20) | 8 (18.6) | 50 (21.7) | 56 (44.4) | 71 (33.3) | 7 (50) | ||
| 49 (10.9) | 28 (57.1) | 7 (20) | 10 (23.2) | 37 (16) | 28 (22.2) | 29 (13.6) | 0 | ||
| 159 (35.4) | 9 (18.3) | 0 | 9 (20.9) | C | 44 (19.1) | 42 (33.3) | 84 (39.4) | 14 (100) | MC |
| 139 (30.9) | 23 (46.9) | 14 (40) | 8 (18.6) | 99 (43) | 35 (27.7) | 50 (23.4) | 0 | ||
| 151 (33.6) | 17 (34.6) | 21 (60) | 26 (60.4) | 87 (37.8) | 49 (38.8) | 79 (37) | 0 | ||
| 76 (16.9) | 1 (2.0) | 0 | 17 (39.5) | C | 37 (16) | 14 (11.1) | 43 (20.1) | 0 | MC |
| 166 (36.9) | 17 (34.6) | 28 (80) | 9 (20.9) | 135 (58.7) | 28 (22.2) | 57 (26.7) | 0 | ||
| 89 (19.8) | 23 (46.9) | 7 (20) | 15 (34.8) | 21 (9.1) | 56 (44.4) | 50 (23.4) | 7 (50) | ||
| 118 (26.2) | 8 (16.3) | 0 | 2 (4.6) | 37 (16) | 28 (22.2) | 63 (29.5) | 7 (50) | ||
| 180 (40) | 9 (18.3) | 7 (20) | 10 (23.2) | C | 113 (49.1) | 21 (16.6) | 72 (33.8) | 7 (50) | MC |
| 76 (16.9) | 29 (59.1) | 21 (60) | 8 (18.6) | 36 (15.6) | 35 (27.7) | 63 (29.5) | 0 | ||
| 193 (42.9) | 11 (22.4) | 7 (20) | 25 (58.1) | 81 (35.2) | 70 (55.5) | 78 (36.6) | 7 (50) | ||
| 28 (6.2) | 28 (57.1) | 0 | 0 | C | 21 (9.1) | 7 (5.5) | 28 (13.1) | 0 | MC |
| 166 (36.9) | 9 (18.3) | 21 (60) | 32 (74.4) | 65 (28.2) | 77 (61.1) | 86 (40.3) | 7 (50) | ||
| 255 (56.7) | 12 (24.4) | 14 (40) | 11 (25.5) | 144 (62.6) | 42 (33.3) | 99 (46.4) | 7 (50) | ||
| 54 (12) | 30 (61.2) | 0 | 1 (2.3) | C | 29 (12.6) | 21 (16.6) | 42 (19.7) | 0 | MC |
| 55 (12.2) | 15 (30.6) | 14 (40) | 18 (41.8) | 32 (13.9) | 35 (27.7) | 35 (16.4) | 0 | ||
| 340 (75.7) | 4 (8.1) | 21 (60) | 24 (55.8) | 169 (73.4) | 70 (55.5) | 136 (63.8) | 14 (100) | ||
| C Chi square test; MC Chi square test with Monte Carlo simulation, * indicates statistical significance. | |||||||||