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| ID | Type | Description | Link |
|---|---|---|---|
| Iman Adel Asfahani | Other Identifier | Minia university | |
| Hussein Abd Elhady | Other Identifier | Minia UNiversity |
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the aim of this study was to assess the marginal bone loss and soft tissue outcomes of milled and selective laser melted cobalt chromium bar retaining implant mandibular overdenture. Materials and method: twenty completely edentulous patients received new conventional complete dentures. Two implants were placed at mandibular canine areas, patients were randomly allocated into two equal groups: milled co-cr bar group and selective laser melted bar group. Marginal bone loss, modified plaque index (mPI), probing depth (PD) and modified gingival index (mGI) were evaluated at base line, 6 and 12 months follow up visits.
Materials and method: twenty completely edentulous patients received new conventional complete dentures. Two implants were placed at mandibular canine areas, patients were randomly allocated into two equal groups: milled co-cr bar group and selective laser melted bar group. Marginal bone loss, modified plaque index (mPI), probing depth (PD) and modified gingival index (mGI) were evaluated at base line, 6 and 12 months follow up visits.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| group 1: milled cobalt chromium bar | Active Comparator | 10 completely edentulous patients received two implants at canine region bilaterally (3.7mm diameter- 13mm length), within two weeks after surgery (following early loading protocol), an open tray impression technique was made for bar construction which was designed according to randomization patient enrollment |
|
| group 2: Selective laser melted cobalt chromium bar | Experimental | 10 completely edentulous patients received two implants at canine region bilaterally (3.7mm diameter- 13mm length), within two weeks after surgery (following early loading protocol), an open tray impression technique was made for bar construction which was designed according to randomization patient enrollment |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| bar retained implant overdenture | Other | use of bar attachment in completely edentulous patient |
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| Measure | Description | Time Frame |
|---|---|---|
| Radiographic Evaluation (Vertical Marginal bone loss in millimeters) | using periapical x-ray with parallel long cone technique from implant shoulder till bony crest | at 6 and 12 months |
| Measure | Description | Time Frame |
|---|---|---|
| Probing depth in millimeters. | using sensitive pressure plastic probe in four sites mesial, distal, buccal and lingual | at 0,6 and 12 months |
| modified Plaque Index. | using Mombelli charting scale at four aspects (mesial, distal, buccal and lingual) |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Eman A Asfahani, PHD | Minia University | Study Chair |
| Hussein A Elhady, PHD | Minia University | Study Chair |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Minia University | Minya | Minya Governorate | 61511 | Egypt |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 39367394 | Derived | El-Asfahani IA, Abd El-Moatty R, Mohamed GF, Hussein HA. Marginal bone loss and soft tissue health around two-implant mandibular overdenture retained with milled versus selective laser melted cobalt chromium bar: a randomized clinical trial. BMC Oral Health. 2024 Oct 4;24(1):1180. doi: 10.1186/s12903-024-04883-6. |
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| at 0,6 and 12 months follow up |
| modified Gingival Index | using Apsi charting scale at four sites (mesial, distal, buccal and lingual) | at base line, 6 and 12 months |