Abstract
Objective: To compare frequency of postobturation flare ups between two apical limit of instrumentation and obturation in root canal
treatment
Study Design: Comparative Randomized clinical trial
Place and Duration: At Department of Operative Dentistry Isra Dental College from 19th Feb 2014 to 18th Feb 2015.
Methodology: Total hundred patients of either gender who were diagnosed for pulp necrosis of single rooted teeth and required root
canal treatment were divided into two groups by randomization. In Group-A, instrumentation and obturations were done up to apical
constriction and in Group-B, instrumentation and obturations were done up to apical terminus. The patients were instructed to record
the pain severity in case of flare ups on performa by visual analogue scale and called for follow-up after three days. Pain was recorded
as no pain, mild pain, moderate pain and severe pain accordingly.
Results: Frequency pain on 3rd post- operative day was recorded as 32% patients reported no pain, 58% mild pain, 6% moderate pain
and 4% severe pain (flare-up) in Group A. In Group B, 2% patients reported no pain, 34% mild pain, 44% moderate pain and 20%
severe pain (flare-up). There was a significant difference of flare-ups (P=0.028 <0.05) between Group A and Group B.
Conclusion: There is a difference in frequency of flare-ups between the two apical limit and frequency increased when the apical limit
was kept at the terminus compared to the apical constriction
Talha Asad Khan, Zahid Iqbal. (2019) Comparison of postobturation flare ups between two apical limit of instrumentation and obturation in root canal treatment in vivo study, Isra Medical Journal, Volume 11, Issue 1.
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