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http://hdl.handle.net/1942/15006
Title: | Effects of Immediate and Delayed Loading on Peri-Implant Trabecular Structures: A | Authors: | Huang, Yan Van Dessel, Jeroen LIANG, Xin Depypere, Maarten Zhong, Weijian Ma, Guowu LAMBRICHTS, Ivo Maes, Frederik Jacobs, Reinhilde |
Issue Date: | 2013 | Source: | Clinical Implant Dentistry and Related Research, 16 (6), p. 873-883 | Abstract: | PURPOSE: To develop a method for characterizing trabecular bone microarchitecture using cone beam computed tomography (CBCT) and to evaluate trabecular bone changes after rehabilitation using immediate versus delayed implant protocols. MATERIALS AND METHODS: Six mongrel dogs randomly received 27 titanium implants in the maxillary incisor or mandibular premolar areas, following one of four protocols: (1) normal extraction socket healing; (2) immediate implant placement and immediate loading; (3) delayed implant placement and delayed loading; (4) delayed implant placement and immediate loading. The animals were euthanized at 8 weeks, and block biopsies were scanned using high resolution CBCT. Standard bone structural variables were assessed in coronal, middle, and apical levels. RESULTS: Coronal and middle regions had more compact, more platelike, and thicker trabeculae. Protocols (2), (3), and (4) had significantly higher values (p < 0.001) than protocol (1) for bone surface density, bone surface volume ratio, and connectivity density, while significantly lower values (p < 0.001) were found for trabecular separation and fractal dimension. However, protocols (2), (3), and (4) did not show significantly different bone remodeling. CONCLUSIONS: Compared with normal extraction healing, the implant protocols have an improved bone structural integration. Results do not suggest a different bone remodeling pattern when a delayed versus an immediate implant protocol is used. | Notes: | Liang, X (reprint author), Dalian Med Univ, Sch Stomatol, Dalian 116044, Peoples R China lilyliang13@hotmail.com | Keywords: | animal experiments; cone beam CT; dental implants; immediate loading; trabecular bone | Document URI: | http://hdl.handle.net/1942/15006 | ISSN: | 1523-0899 | e-ISSN: | 1708-8208 | DOI: | 10.1111/cid.12063 | ISI #: | 000347039400008 | Category: | A1 | Type: | Journal Contribution | Validations: | ecoom 2016 |
Appears in Collections: | Research publications |
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