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The sample was comprised by 10 patients in which 40 dental implants are placed in an atrophic maxilla. All the implants were connected to 4 types of transepithelial abutment: i.e: parallel anodized abutment(n=10); parallel mechanized abutmen(n=10)t, convergent anodized abutment(n=10); and convergent mechanized abutment (n=10) three months after insertion implants were extracted with the surrounding hard and soft tissues for the histological evaluation of the clinical performance.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Mechanized parallel abutments | Placebo Comparator | Implants were immediately covered with this type of abutments after insertion. This is the most common procedure. It would be the gold standard |
|
| Anodized parallel abutments | Experimental | Implants were immediately covered with this kind of abutments after insertion. Only the surface treatment varies to the gold standard |
|
| Mechanized convergent abutments | Experimental | Implants were immediately covered with this kind of abutments after insertion. Only the geometry of the emergence profile varies with regards to the gold standard |
|
| Anodized convergent abutments | Experimental | Implants were immediately covered with this kind of abutments after insertion. Both the surface treatment and the geometry vary with regards to the gold standard |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| dental implant with transepithelial abutments manufactured by Galimplant Dental System (Spain) | Device | Dental implants with transepithelial abutments with distinct morphology |
|
| Measure | Description | Time Frame |
|---|---|---|
| Bone to implant contact | It is a Percentage estimation of native bone in direct contact to implant determined by histological assessments (optical microscopy) | 3 months after healing |
| Peri-implant inflammation of the soft tissues | Histological assessments as ordinal variables of the grade of inflammatory infiltrate (none, minor, major)according to standard guidelines. | 3 months after healing |
| Density of the peri-implant soft tissues | Histological assessments as ordinal variables of the density of the collagen fibers (low, medium, high) according to standard guidelines. | 3 months after healing |
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Inclusion Criteria:
Exclusion Criteria:
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Clinica Odontológica de la Universidad de Salamanca | Salamanca | 37007 | Spain |
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| ID | Term |
|---|---|
| D009066 | Mouth, Edentulous |
| D001284 | Atrophy |
| ID | Term |
|---|---|
| D009059 | Mouth Diseases |
| D009057 | Stomatognathic Diseases |
| D014076 | Tooth Diseases |
| D020763 | Pathological Conditions, Anatomical |
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| ID | Term |
|---|---|
| D015921 | Dental Implants |
| ID | Term |
|---|---|
| D003764 | Dental Materials |
| D001697 | Biomedical and Dental Materials |
| D017266 | Dental Prosthesis |
| D011476 | Prosthodontics |
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| D013568 | Pathological Conditions, Signs and Symptoms |
| D003813 |
| Dentistry |
| D019736 | Prostheses and Implants |
| D004864 | Equipment and Supplies |
| D008420 | Manufactured Materials |
| D013676 | Technology, Industry, and Agriculture |