Abstract
Background. Early bone loss due to tooth extraction can be significantly reduced by socket preservation. The aim of this study was to compare the in vivo effects of hemihydrate calcium sulfate granules (an alloplastic material) and Cerabone (a bovine-derived xenograft) on socket preservation in dogs. Methods. Six male Mongrel dogs were randomly divided into 2 groups (n=3) for sacrificing and histological evaluation 4 and 8 weeks after a surgery. The second and third premolars on both sides of the lower jaw were extracted surgically. The sockets on one side were filled with Cerabone, and with calcium sulfate on the opposite side. In the slides, the ratio of the area of newly formed bone to the area of the entire cavity, and the ratio of the area of fibrous connective tissue to the area of the entire cavity were measured. The presence of inflammation was also examined. Wilcoxon signed-rank test, Sign test and McNemar test were used for statistical analyses (ɑ=0.05). Results. The means of new bone proportion were 11% and 8% for Cerabone and calcium sulfate, respectively (P=0.58). The means of connective tissue proportion were 29% and 33% for Cerabone and calcium sulfate, respectively (P=0.72). No inflammatory cells were observed in the Cerabone group, although 50% of the samples in the calcium sulfate group showed inflammation (P=0.50). Conclusion. The effects of calcium sulfate and Cerabone on socket preservation in dogs on bone formation, fibrous connective tissue and inflammation levels were not significantly different at 4- and 8-week postoperative intervals.
Highlights
The form of the alveolar bone is dependent on teeth, and the evolution of the alveolar process is determined by the form and axis of tooth eruption.[1]
Bone loss due to tooth extraction can be significantly reduced by socket preservation
The aim of this study was to compare the in vivo effects of hemihydrate calcium sulfate granules and Cerabone on socket preservation in dogs
Summary
The form of the alveolar bone is dependent on teeth, and the evolution of the alveolar process is determined by the form and axis of tooth eruption.[1] it is not surprising that the alveolar process undergoes different amounts of bone resorption following tooth loss.[2] It has been shown that within 12 months after tooth extraction, the ridge width is reduced by an average of 50%, and two-thirds of this change occur in the first three months. Bone density and quantity are the primary conditions for dental implantation, and significant loss of bone tissue leads to escalated complexity of implantation in a prosthetically appropriate site.[2] Preservation of the alveolar process after tooth extraction can be predictable. The aim of this study was to compare the in vivo effects of hemihydrate calcium sulfate granules (an alloplastic material) and Cerabone (a bovine-derived xenograft) on socket preservation in dogs
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