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Please use this identifier to cite or link to this item: 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
Depypere, Maarten
Zhong, Weijian
Ma, Guowu
Maes, Frederik
Jacobs, Reinhilde
Issue Date: 2013
Citation: 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
URI: http://hdl.handle.net/1942/15006
DOI: 10.1111/cid.12063
ISI #: 000347039400008
ISSN: 1523-0899
Category: A1
Type: Journal Contribution
Validation: ecoom, 2016
Appears in Collections: Research publications

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