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EnglishPURPOSE: To compare the efficacy of inlay and onlay bone grafting techniques in terms of vertical bone formation and implant outcomes for correcting atrophic posterior mandibles. MATERIALS AND METHODS: Twenty surgical sites were assigned to two treatment groups, inlay and onlay, with iliac crest as donor site. After 3 to 4 months, 43 implants were placed and loaded 4 months later. The median follow up after loading was 18 months. RESULTS: For the inlay versus onlay group, median bone gain was 4.9 versus 6.5 mm (p = .019), median bone resorption was 0.5 versus 2.75 mm (p < .001), and median final vertical augmentation was 4.1 versus 4 mm (p = .190). The implant survival rate was 100% in both groups, while the implant success rate was 90% versus 86.9% (p = .190, not significant). A minor and major complication rate of 20% and 10%, respectively, for both groups was encountered. CONCLUSIONS: Inlay results in less bone resorption and more predictable outcomes, but requires an experienced surgeon. In contrast, onlay results in greater bone resorption and requires a bone block graft oversized in height, but involves a shorter learning curve. Once implant placement has been carried out, the outcomes are similar for both procedures
| Titolo: | INLAY VERSUS ONLAY ILIAC BONE GRAFTING IN ATROPHIC POSTERIOR MANDIBLE: A PROSPECTIVE CONTROLLED CLINICAL TRIAL FOR THE COMPARISON OF TWO TECHNIQUES. |
| Autore/i: | FELICE, PIETRO; Pistilli R; LIZIO, GIUSEPPE; PELLEGRINO, GERARDO; Nisii A; MARCHETTI, CLAUDIO |
| Autore/i Unibo: | |
| Anno: | 2009 |
| Rivista: | |
| Digital Object Identifier (DOI): | http://dx.doi.org/10.1111/j.1708-8208.2009.00212.x |
| Abstract: | PURPOSE: To compare the efficacy of inlay and onlay bone grafting techniques in terms of vertical bone formation and implant outcomes for correcting atrophic posterior mandibles. MATERIALS AND METHODS: Twenty surgical sites were assigned to two treatment groups, inlay and onlay, with iliac crest as donor site. After 3 to 4 months, 43 implants were placed and loaded 4 months later. The median follow up after loading was 18 months. RESULTS: For the inlay versus onlay group, median bone gain was 4.9 versus 6.5 mm (p = .019), median bone resorption was 0.5 versus 2.75 mm (p < .001), and median final vertical augmentation was 4.1 versus 4 mm (p = .190). The implant survival rate was 100% in both groups, while the implant success rate was 90% versus 86.9% (p = .190, not significant). A minor and major complication rate of 20% and 10%, respectively, for both groups was encountered. CONCLUSIONS: Inlay results in less bone resorption and more predictable outcomes, but requires an experienced surgeon. In contrast, onlay results in greater bone resorption and requires a bone block graft oversized in height, but involves a shorter learning curve. Once implant placement has been carried out, the outcomes are similar for both procedures |
| Data prodotto definitivo in UGOV: | 2009-12-14 22:12:23 |
| Data stato definitivo: | 2016-07-18T16:29:37Z |
| Appare nelle tipologie: | 1.01 Articolo in rivista |
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http://hdl.handle.net/11585/80947
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