A Clinical and Histomorphometric Study of Calcium Sulfate Compared With Freeze‐Dried Bone Allograft for Alveolar Ridge Preservation

Background: Many materials have been found to be effective in ridge preservation. The purpose of this study is to determine whether calcium sulfate (CS) is as effective as freeze‐dried bone allograft (FDBA) in preserving postextraction ridge dimensions and to evaluate the amount of new bone formatio...

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Bibliographic Details
Published in:	Journal of periodontology (1970) Vol. 83; no. 7; pp. 847 - 855
Main Authors:	Toloue, Samira M., Chesnoiu‐Matei, Ioana, Blanchard, Steven B.
Format:	Journal Article
Language:	English
Published:	Chicago, IL American Academy of Periodontology 01-07-2012
Subjects:	Adolescent Adult Aged Alveolar Process - pathology Alveolar ridge augmentation Alveolar Ridge Augmentation - methods Biological and medical sciences Biopsy, Large-Core Needle Bone Matrix - pathology bone regeneration Bone Substitutes - therapeutic use bone transplantation Bone Transplantation - methods Calcium Sulfate - therapeutic use Cephalometry - methods Coloring Agents dental implant Dentistry Female Follow-Up Studies Freeze Drying guided tissue regeneration Head and neck surgery. Maxillofacial surgery. Dental surgery. Orthodontics Humans Image Processing, Computer-Assisted - methods Male Maxillofacial surgery. Dental surgery. Orthodontics Medical sciences Middle Aged Osteogenesis - physiology Otorhinolaryngology. Stomatology Rosaniline Dyes Surgery (general aspects). Transplantations, organ and tissue grafts. Graft diseases Tooth Extraction Tooth Socket - pathology Tooth Socket - surgery Transplantation, Homologous Young Adult Alveolar ridge augmentation Homograft Transplantation Dentistry Dental implant Calcium sulfate Guidance Regeneration Treatment guided tissue regeneration Surgery Graft bone regeneration Bone Tooth alveolus Freeze bone transplantation
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Summary:	Background: Many materials have been found to be effective in ridge preservation. The purpose of this study is to determine whether calcium sulfate (CS) is as effective as freeze‐dried bone allograft (FDBA) in preserving postextraction ridge dimensions and to evaluate the amount of new bone formation and graft clearance through histologic analysis. Methods: Thirty‐one extraction sites were selected. Postextraction clinical measurements were made, and sites were divided randomly into the test group (CS) or the control group (FDBA). After graft placement, all individuals received the same postoperative treatment and instructions. Participants were recalled after 3 months, measurements were made, and sites were re‐entered. Bone samples were harvested and analyzed with histologic methodology for new bone formation and remaining residual graft. Results: Thirteen test and 15 control sites were evaluated. There was no significant change in vertical ridge height before or after surgery within the test and control groups (P = 0.57, P = 0.68, respectively). There was a significant decrease in bucco‐lingual ridge width for both groups (P = 0.0003, P = 0.0075, respectively), but the difference between groups was not significant (P = 0.11). Histologic analysis revealed an average of 32% new bone formation with 2.5% graft remaining for the test group and 16.7% new bone formation with 21% graft remaining for the control. Conclusions: Results indicate that CS is as effective as FDBA in preserving postextraction ridge dimensions in non‐molar extraction sites. There is greater clearance of CS with more new bone formation after ≈3 months compared with FDBA in these sites. This paper received the Maynard K. Hine Award for Excellence in Dental Research presented by the Indiana Section of the American Association for Dental Research and supported by Procter & Gamble.
Bibliography:	ObjectType-Article-2 SourceType-Scholarly Journals-1 ObjectType-News-1 ObjectType-Feature-3 content type line 23
ISSN:	0022-3492 1943-3670
DOI:	10.1902/jop.2011.110470