D5936 OBTURATOR PROSTHESIS, INTERIM

Synonymous terminology: immediate postoperative obturator. A prosthesiswhich is made following completion of the initial healing after a surgical resection of a portion or all of one or both the maxillae; frequently many or all teeth in the defect area are replaced by this prosthesis. This prosthesis replaces the surgical obturator, which is usually inserted at, or immediately following the resection. Generally, an interim obturator is made to facilitate closure of the resultant defect after initial healing has been completed. Unlike the surgical obturator, which usually is made prior to surgery and frequently revised in the operating room during surgery, the interim obturator is made when the defect margins are clearly defined and further surgical revisions are not planned. It is a provisional prosthesis, which may replace some or all lost teeth, and other lost bone and soft tissue structures. Also, it frequently must be revised (termed an obturator prosthesis modification) during subsequent dental procedures (e.g., restorations, gingival surgery) as well as to compensate for further tissue shrinkage before a definitive obturator prosthesis is made.

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