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The aim of this randomized clinical trial is to evaluate the clinical performance through prosthodontic, periodontal and radiographic evaluation of single screw-retained implant-supported restorations fabricated by intraoral scanning of healing abutment with scan peg in comparison to scan body
Evaluation of the clinical performance through prosthodontic, periodontal and radiographic evaluation of single screw-retained implant-supported restorations fabricated by intraoral scanning of healing abutment with scan peg in comparison to scan body
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Healing abutment with scan peg (Neoss implant system, Harrogate, England) | Experimental | 12 participants will receive Neoss implants by fully-guided implant protocol followed by placement of healing abutment with scan peg |
|
| Customized healing abutment | Active Comparator | 12 participants will receive Neoss implants by fully-guided implant protocol followed by placement of customized healing abutment |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Healing abutment with scan peg (Neoss implant system, Harrogate, England) | Other | 12 participants will receive Neoss implants by fully-guided implant protocol followed by placement of healing abutment with scan peg |
| Measure | Description | Time Frame |
|---|---|---|
| Scanning time (healing abutment-scan peg vs scan body) | The scanning time by intraoral scanner will be recorded in both groups | Through study completion, an average of 1 year |
| Quality of proximal contacts of crowns fabricated by intraoral scanning of scan peg vs scan body | The proximal contacts will be evaluated with dental floss
The percentage of proximal contacts will be calculated for each group at day of crown delivery, 3 months and 6 months later. | Through study completion, an average of 1 year |
| Quality of occlusal contacts of crowns fabricated by intraoral scanning of scan peg vs scan body | An evaluation of occlusion will be executed with 2 layers of shim stock of 12µ.
The percentage of occlusal contacts will be calculated for each group at day of crown delivery, 3 months and 6 months later. | Through study completion, an average of 1 year |
| Evaluation of occlusion by digital occlusal analyzer | occlusal force of implant-supported restorations will be measured | Through study completion, an average of 1 year |
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Inclusion Criteria:
Adult patients who are classified as ASA I or II physical status and require mandibular single implants (single missing mandibular posterior teeth) with:
Exclusion Criteria:
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Faculty of Dentistry, Alexandria University | Alexandria | 21527 | Egypt |
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| Customized healing abutment | Other | 12 participants will receive Neoss implants by fully-guided implant protocol followed by placement of customized healing abutment fabricated by intraoral scanning by scan body |
|