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The aim of the study is to evaluate the effect of preoperative administration of acetaminophen- codeine -caffeine combination on the success of the inferior alveolar nerve block versus bacetaminophen alone or placebo in patients with symptomatic irreversible pulpitis.
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After ensuring eligibility, patients will be given premedication 1hr before treatment,which will be done in single visit.
After 1 hour, Pretreatment pain "pain after administration of analgesic or placebo" will be recorded using 0-10 numerical rating scale (NRS) .
Local anesthesia will, then, be done through inferior alveolar nerve block using 1.8 ml Mepivacaine.
The teeth will be isolated using rubber dam and access cavity will be prepared using #2 high-speed round bur.
The patients will be asked to rate their pain on the NRS. The degree of pain during access preparation and/or instrumentation will be recorded.
Success will be defined as no pain or mild pain during endodontic access preparation and/or instrumentation. Any pain more than no pain or mild pain will considered a failure.
The patients will be instructed to return after 2 days to complete the treatment procedures.
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69 participants in 3 patient groups, including a placebo group
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Data sourced from clinicaltrials.gov
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