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This clinical study will aim to compare and evaluate zygomatic implant stability, occlusal contact, and bone level changes around dental implants
The aim of this study will be to compare and evaluate zygomatic implant stability, occlusal contact, and bone level changes around dental implants and that of the atrophied maxilla rehabilitated with immediate loaded hyprid prosthesis supported by 4 zygomatic implants.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| quad zygomatic hybrid maxillary prosthesis | Experimental | All patients will be rehabilitated with immediate loaded hybrid prosthesis supported by 4 zygomatic implants. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Implant supported hybrid maxillary prosthesis | Device | All patients will receive immediately loaded hybrid prosthesis supported by 4 zygomatic implants. |
|
| Measure | Description | Time Frame |
|---|---|---|
| patient satisfaction | The patient satisfaction will be evaluated using the visual analog scale (VAS) questionnaire at base line, 6, and 12 months later | one year |
| marginal implant bone loss | The implant marginal bone height changes will be measured radiographically at base line, 6, and 12 months later | one year |
| Measure | Description | Time Frame |
|---|---|---|
| posterior area index | the area index of the anterior and posterior maxillary ridge will be measured radiographically at base line, 6, and 12 months later | one year |
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Inclusion Criteria:
Exclusion Criteria:
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Mansoura University ,Faculty of dentistry | Al Mansurah | P.O.Box:35516 | Egypt |
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| ID | Term |
|---|---|
| D011475 | Prosthesis Failure |
| ID | Term |
|---|---|
| D011183 | Postoperative Complications |
| D010335 | Pathologic Processes |
| D013568 | Pathological Conditions, Signs and Symptoms |
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All patients will receive conventional maxillary and mandibular complete dentures The implant size will be selected for each area according to the available bone length and width as measured by CBCT radiograph.
All implants will be surgically installed guided by steriolethognathic stents
- Multi-unit abutments will be connected to implants and will be immedietly loaded by fixed full arch screw retained provisional acrylic restoration.
Final prosthesis will be delivered 6-8 months later
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