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Ultrasonic preparation improves outcome in apical surgery
1Department of General Dentistry, Fukuoka Dental College, Fukuoka, Japan.
Design:
This was a randomised controlled trial (RCT).
Intervention:
Root-end resection and preparation with a round dental bur was compared with the use of ultrasonic diamond coated retro-tips.
Outcome Measure:
Treatment was considered a success when the radiological and clinical criteria listed (Table 1) were met.
Results:
Out of a total group of 399 patients who were included in the study, adequate followup could be obtained in 290 patients. The overall success rate in the ultrasonic group was 80.5% and in the group treated with a bur was 70.9% (P 0.056). In molars, the difference in success rate was significant (P 0.02).
Conclusions:
The use of an ultrasonic device in apical surgery showed a clear benefit over the traditional treatment. Especially in molars, the results were significant.