A randomized clinical trial that aims to study the effect of chitosan nanoparticles (CS-np) versus sodium hypochlorite as a root canal irrigant on postoperative pain and antibacterial activity against E.faecalis in infected root canal.
This trial aims to study the effect of chitosan nanoparticles (CS-np) versus sodium hypochlorite as a root canal irrigant on postoperative pain and antibacterial activity against E.faecalis in infected root canal. initial pre-treatment root canal sample will be taken.These will be designated as sample no.1. after first sample, according to random sequence, the patients will be randomly assigned into two groups. In Group I: Sodium hypochlorite (NaOCL 2.5%) will be used during instrumentation of the canals.In Group II: chitosan nanoparticles (CS-np) will be used. after preparation, the sample no.2 will be taken.Pain will be assessed by giving the patient the numerical pain rating scale (NRS) to assess his pain at 24, 48 and 72 hours after the first visit.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
DOUBLE
Enrollment
24
Chitosan is a bioactive polymer obtained from deacetylation of chitin and is used in biomedical application due to its antimicrobial properties and biocompatibility and ability to resist aging for longer periods provide antibacterial effect in root canal disinfection.10ml of cs-np will be used during instrumentation in intervention group
Sodium hypochlorite (NaOCL) is the most recommended irrigant due to its broad antibacterial effect, necrotic tissues and dentin collagen dissolving capability and inactivation of endotoxins.10ml of 2.5%NaOCL will be used during instrumentation in control group
antibacterial activity
antibacterial activity will be evaluated by Sampling and culture method. The samples will be subjected to microbiological analysis to ascertain their individual microbiological load after 24h, this will be analyzed by counting the colony forming units (CFUs).
Time frame: two samples will be taken at the same visit of endodontic treatment at day 1, the outcome measures will be assessed after 24h. the data will be reported after study compeletion about 1 year
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