Postoperative Pain of Root Canal Therapy With Three Techniques

Study Overview
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Brief Summary
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The purpose of this prospective, randomized, double-blind study was to compare the prospective pain in asymptomatic mandibular molar teeth with necrotic pulp and periapical lesion using three different instrumentation files: Hand, Protaper Universal, and Wave-One files.

Detailed Description
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ProTaper Universal system is one of the conventional multi-file rotary systems that prepared root canals with six files: three shaping files and three finishing files. A unique design element is varying tapers along the instruments' long axes. The three shaping files have tapers that increase coronally, and the reverse pattern is seen in the five finishing files. Wave-One is reciprocation-based systems that instrumented root canals with only single file. Some studies demonstrated that it has outperformed conventional continuous rotary nickel-titanium (NiTi) preparation in some aspects. The reciprocating motion of Wave-One relieves the stress on the file by special counterclockwise (cutting action) and clockwise (release of the instrument) movements and, therefore, extends the durability of a NiTi instrument and increases its fatigue resistance in comparison with continuous rotation motion.

Conditions
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Pain

Intervention / Treatment
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* Procedure: Instrumentation technique with hand file
* Procedure: Instrumentation technique with ProTaper
* Procedure: Instrumentation technique with WaveOne


Participation Criteria
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Eligibility Criteria
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Inclusion Criteria: Healthy patient Exclusion Criteria: Allergy to anesthetics, pregnancy, breastfeeding, vital teeth, unrestorable teeth, and teeth associated with pain or swelling

Ages Eligible for Study
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Minimum Age: 20 Years
Maximum Age: 45 Years

Sexes Eligible for Study
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All

Accepts Healthy Volunteers
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Accepts Healthy Volunteers

Study Plan
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How is the study designed?
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Design Details

Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Double


Arms and Interventions

| Participant Group/Arm | Intervention/Treatment |
| --- | --- |
| Experimental: Hand file<br>Instrumentation technique | Procedure: Instrumentation technique with hand file<br>* type of instrumentation technique for root canal treatment<br>|
| Experimental: ProTaper file<br>Instrumentation technique | Procedure: Instrumentation technique with ProTaper<br>* type of instrumentation technique for root canal treatment<br>|
| Experimental: Wave-One file<br>Instrumentation technique | Procedure: Instrumentation technique with WaveOne<br>* type of instrumentation technique for root canal treatment<br>|

What is the study measuring?
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Primary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| Pain as assessed by Heft-Parker VAS | Pain as assessed by Heft-Parker VAS | After each technique, up to 72 hours | 

 Terms related to the study
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Keywords Provided by Centre Hospitalier Valida
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root canal therapy, endodontics, file, pain