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At least 721 records · Page 40Linked to original sources
PubMed2000

Apical microsurgery for failed endodontics.

The operating microscope allows the surgeon unparalleled visualization of the root end structures for periapical surgery. The ultrasonic root end preparation tips enable debridement of the resected root end 2 to 4 mm in the long axis of the root. These advances have allowed periapical surgery to be performed at a new level of excellence with, we believe, more predictable healing.

Apicoectomy↗
PubMed2001

Re-inventing intentional replantation: a modification of the technique.

Intentional Replantation (IR) has traditionally been considered a treatment of last resort due to complications during extraction, handling, and replantation. Root resorption and failure often resulted from drying of the root surface during extraoral manipulations. Replantation techniques have been recently modified to prevent desiccation. This article presents a modified IR technique with continuous immersion of the tooth in a tissue culture solution. This allows extension of the extraoral time period to permit inspection of the root surfaces, precise root-end resections and preparations, and placement of root-end fillings.

Adult↗
PubMed2000

Mineral trioxide aggregate (MTA) as a root end filling material in apical surgery--a case report.

Many root end filling materials for apical surgeries have been identified either for scientific evaluation or clinical usage but none meets the requirements of an ideal root end filling material. Recently a new cement, Mineral Trioxide Aggregate (MTA) was researched as a potential root end filling material and showed promising results. This paper reports the significant findings of research done on MTA as a root end filling material and presents a clinical case where apical surgery was performed using MTA as retrograde filling.

Aluminum Compounds↗
PubMed2002

Electrical and dye leakage comparison of three root-end restorative materials.

OBJECTIVE: The purpose of this study was to assess three modern root-end restorative materials with electrical and dye leakage tests. METHOD AND MATERIALS: Thirty-three human canine teeth were prepared and filled with gutta-percha and sealer. Stainless steel rods were inserted into the root canals as anodes, and the teeth were varnished. The apical 3 mm of each tooth was resected, and 3-mm root-end preparations were made ultrasonically. Mineral trioxide aggregate, Super EBA, and IRM were used to restore 10 teeth each, and three teeth were varnished as controls. Following 24 hours' setting in blood, the specimens were placed in 1% potassium chloride electrolyte, and leakage was recorded electrically for 70 days. The teeth were then submerged in methylene blue dye for 72 hours, sectioned longitudinally, and scored for leakage by six examiners. RESULTS: In both tests, the mineral trioxide aggregate restorations leaked significantly less than the IRM and Super EBA restorations. Super EBA showed significantly less leakage than did IRM restorations in the electrochemical test but not in the dye leakage experiment. The teeth sealed with mineral trioxide aggregate performed similarly to the varnished negative control teeth. CONCLUSION: The results of this study indicated that mineral trioxide aggregate provides a superior seal in root-end-restorations.

Aluminum Compounds↗
PubMed2002

Endoscope- and video-assisted endodontic surgery.

Since the introduction of microsurgical principles in the 1990s, the field of endodontic surgery has made continuous and substantial progress. Particularly, root-end cavity preparation has been simplified and optimized by means of newly developed surgical microinstruments. However, the successful outcome of endodontic surgery depends to a large extent on accurate intraoperative diagnostics. Conventionally, micromirrors (retromirrors) and microprobes have been used for this purpose. Recently, the surgical microscope has been used to enhance visibility during dental procedures. In addition, endoscopy has been reported to provide the surgeon with outstanding vision and ease of use. This article describes the technical specifications and the diagnostic application of the endoscope during endodontic surgery.

Apicoectomy↗