NDLI: Bioresorbable Collagen Membranes for Guided Bone Regeneration

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Bioresorbable Collagen Membranes for Guided Bone Regeneration

Content Provider	Semantic Scholar
Author	Tal, Haim Moses, Ofer Kozlovsky, Avital Nemcovsky, Carlos E.
Copyright Year	2012
Abstract	Localized lack of bone volume in the jaws may be due to congenital, post-traumatic, postsurgical defects or different disease processes. Increasing the bone volume has long been an attractive field of basic and clinical research. The introduction of implant therapy, and the proven relationship between long-term prognosis of dental implants and adequate bone volume at the implant site (Lekholm et al. 1986), dramatically increased the interest of both clinicians and scientists in this field, making augmentation procedures an important part of contemporary implant therapy. Basically, four methods have been described to augment bone volume: a. osteoinduction, using appropriate growth factors (Reddi 1981; Urist 1965); b. osteoconduction, using grafting materials that serve as scaffolds for new bone growth (Buch et al. 1986; Reddi et al. 1987); c. distraction osteogenesis, by which a surgically induced bone fracture enables slow controlled pulling apart of the separated bone fragments (Ilizarov 1989a,b); d. guided bone regeneration, which allows selective bone tissue growth into a space maintained by tissue barriers (Dahlin et al. 1988, 1991a; Kostopoulos & Karring 1994; Nyman & Lang 1994). Among the different methods, guided bone regeneration (GBR) is the most popular and best documented for the treatment of localized bone defects in the jaws, probably due to its relative simplicity of use while allowing the placement of endosseous implants in areas of the jaw with bony defects and/or insufficient bone volume. Highly predictable success rates can be achieved using GBR; in fact, it has been shown that success rates of implants placed at GBR treated sites and sites without bone augmentation are comparable (Hammerle et al. 2002).
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Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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