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This Randomized Clinical Trial aims to study the efficacy and safety of PRGF-Endoret in alveolar ridge preservation after single molar extractions. The control group is the spontaneous healing occuring after the suturing of the alveolus. The primary endpoint is the bone regeneration measured in biopsies obtained from the regenerated alveolar bone.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Simple suture | Active Comparator | Atraumatic exodontia followed by simple suture |
|
| PRGF-Endoret | Experimental | Atraumatic exodontia followed by simple suture |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Alveolar ridge preservation with a PRP (PRGF-Endoret) | Drug | Filling of the alveolus with PRGF clot and fibrin plug. |
|
| Measure | Description | Time Frame |
|---|---|---|
| Bone regeneration | Quantity of new bone measured in bone biopsies obtained after alveolar ridge preservation | 12 weeks post-extraction |
| Measure | Description | Time Frame |
|---|---|---|
| Visual Analogue Score (VAS) | Evolution of pain assessed by the visual analog scale (VAS). Values ranging 0 to 10 (0=no pain and 10=worst pain) | 3, 7 and 15 days post-extraction |
| Inflammation score |
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Inclusion Criteria:
Exclusion Criteria:
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Clinica Eduardo Anitua | Vitoria-Gasteiz | Spain |
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| ID | Term |
|---|---|
| D001777 | Blood Coagulation |
| ID | Term |
|---|---|
| D006487 | Hemostasis |
| D001790 | Blood Physiological Phenomena |
| D002943 | Circulatory and Respiratory Physiological Phenomena |
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| Blood clot and simple suture | Drug | Filling the alveolus with blood clot |
|
Evolution of inflammation evaluated by ordinal scale from 0 to 3 (0=no inflammation; 3=severe inflammation)
| 3, 7 and 15 days post-extraction |
| Soft tissue healing index | Soft tissue healing index according to the scale of Laundry. Values ranging 1 to 5 (1=poor healing, 5=excellent healing) | 3, 7 and 15 days post-extraction |
| Changes in the dimension of the alveolar ridge | Changes in the dimension of the alveolar ridge by means of superimposition of digital files of models of plaster after 12 weeks post-extraction | 12 weeks post-extraction |
| Soft tissue histomorphometric changes | - Soft tissue histomorphometric changes after evaluated by soft tissue biopsy | 12 weeks post-extraction |
| Change in the bone dimensions of the alveolar ridge | Change in the bone dimensions of the alveolar ridge evaluated by CBCT between the post-extraction day and the week 12 post-extraction. | 12 weeks post-extraction |
| Change in bone density | Change in bone density (Hounsfield units) evaluated by the CBCT at three different points between the post-extraction week and 12 weeks. | 12 weeks post-extraction |
| Vitamin D levels | 12 weeks post-extraction |
| Frequency of surgical and postsurgical complications | 12 weeks post-extraction |