Pulp revascularization of immature teeth with apical periodontitis: a clinical study.

Introduction: The purpose of this study was to examine the effect of a pulpal revascularization procedure for immature necrotic teeth with apical periodontitis.

Methods: Twelve patients, each with an immature permanent tooth with chronic or acute apical periodontitis, were recruited. A triantibiotic mix (ciprofloxacin, metronidazole, and minocycline) was used to disinfect the pulp for 1 week.

[Comparative study of resosolv and chloroform in retreatment of canal obturated with resinifying agent].

Objective: To evaluate the possibility for removal of resinifying agent, time required for removal and the working length loss by Resosolv or Chloroform.

Methods: 40 human teeth (80 root canals) obturated with FR phenolaldehyde agent were divided into four groups, 20 root canals per group. Group A: Resosolv with K file; group B: chloroform with K file; group C: Resosolv with Ultrasonic K file; group D: Chloroform with ultrasonic K file.

[Location and negotiation of second mesiobuccal canals in maxillary molars].

Objective: To investigate prevalence, location, negotiation and the effect of operating microscope (OM) in the treatment of the second mesiobuccal canal (MB2) in maxillary molars.

Methods: 113 maxillary molars were studied. The crowns of the teeth were removed 1 mm above the chamber bottom for searching MB2 canal.