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Titanium Granules for Augmentation of the Maxillary Sinus - A Multicenter Study

Journal article
Authors S. P. Lyngstadaas
A. Verket
E. M. Pinholt
C. Mertens
H. R. Haanaes
G. Wall
Mats Wallström
Lars Rasmusson
Published in Clinical Implant Dentistry and Related Research
Volume 17
Pages E594-E600
ISSN 1523-0899
Publication year 2015
Published at Institute of Odontology, Section 1
Pages E594-E600
Language en
Links dx.doi.org/10.1111/cid.12291
Keywords biomaterials, bone augmentation, implant survival, maxillary sinus floor elevation, FOLLOW-UP, FLOOR AUGMENTATION, IMPLANTS, BONE, ELEVATION, RECONSTRUCTION, COMBINATION, PLACEMENT, HUMANS
Subject categories Biomaterials

Abstract

BackgroundBiomaterials are commonly used to augment the maxillary sinus floor prior to or in conjunction with dental implant installation. Recently, porous titanium granules (PTGs) have been used in oral implant surgery to stabilize implants and function as an osteoconductive matrix. PurposeTo evaluate if PTGs can be safely used in a larger population of patients, treated by different surgeons, when sinus floor augmentation was required in conjunction with implant installation. The primary endpoint was 12-month survival rate of the dental implants. Biopsies for histology were taken from the augmented area. Materials and MethodsAt five centers, 40 subjects with uni or bilateral posterior edentulism and atrophy of the posterior maxilla (3-6mm) were enrolled. In a single-stage procedure, PTG and one to three dental implants were installed in each quadrant. In total, 70 implants were included in the study. ResultsOne immobile implant was removed. The mean marginal bone loss was 0.5mm and 0.8mm, on the mesial and distal side, respectively. Histologically, all biopsies demonstrated bone ingrowth. ConclusionsThe results suggest that PTG can be safely and effectively used as augmentation material in the sinus floor when used with dental implants in a one-stage procedure.

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