Evaluation of alveolar preservation after tooth extraction using collagen biomaterial: controlled and radomized clinical trial
Dental alveolus, Bone remodeling, bone resorption
Dental extraction is inevitable under certain circunstances disfavoring health function and aesthetic. After thooth extraction the phenomenon of modeling and remodeling in the alveolar process provides for the loss of the periodontal apparatus resulting in atrophy of the periodontal apparatus resulting on atrophy of the alveolar process and the absence of teeth leads to a 40 to 60% reduction on horizontal and verticak directions of the rim. Alveolar preservation after tooth extractons sis necessary to significantly contribute to a possible oral rehabilitation, however some grafting materials used for this purpose have high costs and this can make the alveolar maintenance technique unfeasible. Aiming to seek a satisfactory cost effective alternative with feasibility of clinical use for post extraction alveolar preservation this study proposes to evaluate the effectiveness of lyophilized hydrolyzed collagen spong biomaterial. A randomied clinical study will be carried out, where after extraction the alvéolo will be filled with xenogenized lyophilized hydrolyzed collagen sponge biomaterial (Hemospon ®) and then these sites will be evaluated to find out which of these sites had the best alveolar preservation. To contribute to the analysis patients will perform cone beam CT scans prior to extraction and after 30 days os surgery the data will be cataloged and analyzed through statistical studies ANOVA and MANOVA. This research may bring benefits in the scope of oral surgery, as it is expected to contribute aiming to seek a satisfactory and eficiente cost effective alternative with the viablity of clinical use of grafting materials for alveolar preservation after extraction providing a better bone maintenance of the patient who will contribute for future quality oral rehabilitattion with less morbidity.