Determination of subepithelial connective tissue graft thickness in the dog

Journal of Oral and Maxillofacial Surgery : Official Journal of the American Association of Oral and Maxillofacial Surgeons
Jon PerenackDiana Gardiner

Abstract

In this study, we determined the tissue thickness of healed subepithelial connective tissue grafts, the type of tissue present after healing, and the percentage of shrinkage of subepithelial connective tissue grafts over time in the facial aspect of the canine maxilla. Four dogs each received 2 single-thickness subepithelial connective tissue grafts, 2 double-thickness grafts, and 2 sham-operated sites in the facial aspect of the maxilla bilaterally. The subepithelial connective tissue graft was harvested from the palate and included the periosteum. After the creation of a pouch on the facial aspect of the maxilla, the grafts were sutured directly to the maxillary periosteum and additional sutures were placed to secure the overlying mucosal flap to the graft. Thickness measures of the grafts before placement and after surgery with the grafts in place were made biweekly with a calibrated probe using known reference points on the teeth. Thickness measures were analyzed using a random-effects mixed model. All dogs were killed at 12 weeks, and the tissues were fixed, serially sectioned, and stained with hematoxylin and eosin for microscopic examination. Initial measurements of the sites demonstrated a thickness of 1.5 +/- 0.6 mm. I...Continue Reading

Citations

Feb 6, 2010·Clinical Implant Dentistry and Related Research·Yadollah Soleimani ShayestehBanafsheh Golestan
Nov 13, 2009·Journal of Periodontology·Olivier EtienneChristophe Egles

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