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The use of a new bioresorbable barrier for guided bone regeneration in connection with implant installation. Case reports.

Journal article
Authors Dan Lundgren
Lars Sennerby
Hanna Falk
Bertil Friberg
S Nyman
Published in Clinical oral implants research
Volume 5
Issue 3
Pages 177-84
ISSN 0905-7161
Publication year 1994
Published at Institute of Surgical Sciences
Institute of Odontology
Institute of Surgical Sciences, Department of Biomaterials
Pages 177-84
Language en
Keywords Aged, Alveolar Process, physiology, Bone Regeneration, Dental Implantation, Endosseous, methods, Female, Guided Tissue Regeneration, Periodontal, Humans, Lactates, chemistry, Lactic Acid, Male, Membranes, Artificial, Middle Aged, Polymers, chemistry, Treatment Outcome
Subject categories Surgical research


This report presents 4 cases with 6 implant exposures after the installation of Brånemark System implants which called for treatment applying the guided bone regeneration technique. A bioresorbable barrier (GUIDOR Matrix Barrier) was used to cover the defects, 4 defects with and 2 without the support of autologous bone chips. Complete bone filling was found in 4 (2 without and 2 with bone chips) and partial filling in 2 (with bone chips) of the treated defects, as registered at the abutment connection 6-7 months after surgery. Besides its ability to serve as a barrier for guided bone regeneration, it was found that the matrix barrier had the following properties; biocompatibility observed as uneventful tissue healing, malleability facilitating the clinical handling and ability to be resorbed within 6 to 7 months, as evaluated by clinical inspection. The observations of the present case reports indicate that the tested barrier may be used for guided bone regeneration in connection with implant installation. It is advisable, however, to use a supporting material to prevent barrier collapse, although bone regeneration can be achieved in certain situations without such material if the defect morphology is favourable.

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