| Some information from the participants about dental implants | Correct | Incorrect | |
| n (%) | n (%) | ||
| The space between two implants during the surgical procedure. | 179 (59.7%) | 121 (40.3%) | |
| The distance between the dental implant and natural teeth during the surgical procedure. | 108 (36%) | 192 (64%) | |
| The distance between the dental implant and the maxillary sinus during the surgical procedure. | 150 (50%) | 150 (50%) | |
| The number of parts in a dental implant. | 183 (61%) | 117 (39%) | |
| The most important factor for the success of dental implants. | 160 (53.3%) | 140 (46.7%) | |
| The best aesthetically retained restorations in dental implants. | 139 (46.3%) | 161 (53.7%) | |
| The retained restorations for fracture resistance in dental implant. | 102 (34%) | 198 (66%) | |
| The main factor in selecting retained restorations in dental implants. | 65 (21.7%) | 235 (78.3%) | |
| The retained restorations to retain the implant. | 159 (53%) | 141 (47%) | |
| The retained restorations to control complications of peri-implant diseases. | 111 (37%) | 189 (63%) | |
| The easy fabrication retained restorations in dental implants. | 192 (64%) | 108 (36%) | |
| Chi-square test | |||
| The average | 141 (46.9%) | 159 (53.1) | |
| Chi (P value) | 0.369 (0.252) | ||