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Journal of Long-Term Effects of Medical Implants
SJR: 0.145 SNIP: 0.491 CiteScore™: 0.89

ISSN Imprimir: 1050-6934
ISSN On-line: 1940-4379

Journal of Long-Term Effects of Medical Implants

DOI: 10.1615/JLongTermEffMedImplants.v15.i6.30
pages 599-607

Calcium Sulfate: A Review

Mark V. Thomas
Associate Professor and Chief, Division of Periodontology, University of Kentucky, Lexington, Kentucky, USA
David A. Puleo
Center for Biomedical Engineering, Wenner-Gren Lab, University of Kentucky, Lexington, Kentucky
Mohanad Al-Sabbagh
Assistant Professor and Assistant Program Director, Graduate Periodontology, University of Kentucky, Lexington, Kentucky


Calcium sulfate has a long history of use in medicine and dentistry. It exists in two forms (α and β), which differ greatly in physical properties. It has been used in bone regeneration as a graft material and graft binder/extender and as a barrier in guided tissue regeneration. It is an unusually biocompatible material and is completely resorbed following implantation. It does not evoke a significant host response and creates a calcium-rich milieu in the area of implantation. These calcium ions may provide some stimulation to osteoblasts, which may account for some of the positive results reported with the material. Calcium sulfate can be used as a delivery vehicle for growth factors and antibiotics, although this application has not been thoroughly exploited in the clinical setting. It has been shown that tissue will often migrate over calcium sulfate if primary closure cannot be obtained, which provides further evidence of its biocompatibility. The raw material from which calcium sulfate is made is relatively inexpensive and abundant. Despite these advantages, calcium sulfate has never attracted the same degree of research interest as have other biomaterials. Recently, however, it has enjoyed a resurgence of sorts in the areas of periodontology, sinus augmentation, and orthopedic surgery. Future research must be directed toward improving handling characteristics and strength, while preserving the biocompatibility of the material.

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