The Influence on Osseointegration of Immediate Functional Loading on Single Crowns: A Randomized, Double-Blind, Split-Mouth Controlled Clinical Trial with Histomorphometric Evaluation.
| Autor: | Yonezawa D, Apaza Alccayhuaman KA, Iezzi G, Piattelli A, Ferri M, Boticelli D |
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| Jazyk: | angličtina |
| Zdroj: | The International journal of oral & maxillofacial implants [Int J Oral Maxillofac Implants] 2024 Oct 16; Vol. 39 (5), pp. 699-706. |
| DOI: | 10.11607/jomi.10759 |
| Abstrakt: | Purpose: To evaluate the influence of immediate loading on the osseointegration and bone density of implants placed in a healed alveolar bone crest and supporting single crowns. Materials and Methods: Two solid titanium transmucosal miniimplants were placed in the distal regions of the mandible in 14 patients. One mini-implant was immediately functionally loaded, whereas the other was left unloaded. After 2 months of healing, biopsy samples were retrieved and the levels of new bone, old bone, and total bone (new + old) were assessed. Results: Histologic examination was performed on biopsies from 12 patients (n = 12). The new bone-to-implant contact percentage (BIC%) was 40.3% ± 16.8% and 55.1% ± 19.1% (P = .043) at the unloaded and loaded sites, respectively; in addition, the total BIC% was 44.9% ± 17.0% and 59.5% ± 18.8%, respectively (P = .034). The new bone density was 45.9% ± 11.6% for the unloaded implants and 45.9% ± 16.7% for the loaded implants (P = .622). Conclusions: Immediate loading had a positive effect on bone apposition at the implant surface, but no effect on bone density was observed after 2 months of healing. |
| Databáze: | MEDLINE |
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