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This study is aiming to evaluate the retentive forces in PEEK framework RPD compared to Cobalt-Chrome framework RPD during attachment/detachment cycles in mandibular kennedy class I edentulous cases
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| peek framework Removable partial denture | Experimental | polymer-based framework has recently been introduced which is made of polyetheretherketone polymer frame combined with acrylic resin denture teeth and a conventional acrylic resin denture base. |
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| cobalt chromium framework Removable partial denture | Active Comparator | it's the gold standard framework which has many benefits such as they are used in thin sections and are less bulky,provide high strength and stiffness,and some disadvantages include hypersensitivity,metal display and oral galvanism, |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| peek framework RPD | Device | it is a polyetheretherketone polymer frame combined with acrylic resin denture teeth and a conventional acrylic resin denture base made by injecting technique and have several advantages regarding strength and esthetics |
| Measure | Description | Time Frame |
|---|---|---|
| Retention | retention force of RPD during attachment/detachment cycles measured by digital force meter device | change from baseline retention force after one month and after three months |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| haytham mo talaat, master | Contact | +201210520141 | haythamtalaat.zb@gmail.com | |
| ahmed hefny zidan, master | Contact | +201126534668 | ahmedhefnyf@gmail.com |
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Faculty of Oral and Dental Medicine Cairo University | Cairo | Manial | 11311 | Egypt |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 22186813 | Background | Souza JE, Silva NR, Coelho PG, Zavanelli AC, Ferracioli RC, Zavanelli RA. Retention strength of cobalt-chromium vs nickel-chromium titanium vs CP titanium in a cast framework association of removable partial overdenture. J Contemp Dent Pract. 2011 May 1;12(3):179-86. doi: 10.5005/jp-journals-10024-1031. |
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| cobalt chromium framework RPD | Device | standard framework device |
|