To compare the incidence of post-operative pain after single-visit versus two-visit non-surgical endodontic retreatment.
Post treatment failure could be treated by two options including orthograde retreatment and apical surgery . In a previous study, orthograde retreatments presented a success rate of 81 % classified as healed and 93 % as no symptoms and fully functional. In a systematic review, it has also been concluded that endodontic surgery offers more favorable initial success but orthograde retreatment yields to a better long-term outcome . Although early results of single-visit treatments are contradictory ; Completing the treatment in a single appointment reduces the treatment time and cost, decreases micro leakage risk and avoids recontamination of root canals between appointments in multiple-visit treatments . Again, reviewing the literature concerning primary treatment showed that, no significant differences were observed in healing of periapical radiolucency between teeth treated in single-visit and those treated in two-visits. Even, after using calcium hydroxide for four weeks . The presence of a positive bacterial culture at the time of filling did not influence the outcome of treatment . Thorough online search revealed that, few studies are found concerning post- operative pain after single visit retreatment . The present study is designed to compare the effects of single-visit and two-visit root canal treatments on postoperative pain in retreatment cases. The primary outcome measure of this study is proposed to be whether single-visit root canal retreatment influenced the occurrence of postoperative pain as compared to two-visit treatment.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
SINGLE
Enrollment
62
Full medical and dental history using a schematic dental chart, will be obtained from all patients treated during this study.
Incidence and intensity of postoperative
Evaluate incidence and intensity of postoperative pain at 6,12,24, 48hours , and one week using numerical visual scale (NRS) after each visit endodontic retreatment
Time frame: At one week after each visit
Number of analgesic tablets
Number of analgesic tablets taken by the patient after endodontic retreatment
Time frame: baseline
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