Sales Training 2014 - Dentistry

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Chapter 39 * Retrograde Filling Materials

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Figure 39.1 Use of MTA (mineral trioxide aggregate) as a retrograde filling material in a surgical case of apiceotomy in the left maxillary central incisor. (A) Preoperative radiograph showing previously done apical surgery. (B) Preoperative photograph showing a failed surgical attempt. (C) Flap raised, destruction of cortical bone vis- ible, with infectious matter in the periapex. (D) Bony crypt created, root resected, canal with gutta-percha is visible. (E) Staining with methylene blue dye to demarcate the root apex and the canal systems. (F) Removal of obturated material and preparation of retrocavity using KIS retropreparation tips. (G) Review of the prepared cavity with the help of a micromirror. (H) Radiograph confirming complete removal of gutta-percha and parallel preparation of the retrocavity. (I) Placing MTA into the retrocavity (refer Figs 39.2 and 39.3 for manipulation and placement techniques of MTA, respectively). (J) Packing/condensing the MTA into the cavity. (K) Final restoration. (L) Checking the radiograph, showing properly condensed MTA. (M) Microsutures in place. (N) Suture removal after 5 days. (O) Postoperative photograph after a month showing excellent healing. (Courtesy: Dr. Marga Ree, Netherlands.)

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