- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04006717
Comparison Between Low-level Laser Therapy, Intracanal Cryotherapy and Their Combination, on Post-endodontic Pain Level
Evaluation of Post-Endodontic Pain Control Using Low- Level Laser Therapy in Comparison to Intra-canal Cryotherapy: A Randomized Placebo-controlled Clinical Trial
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Selection of patients:
Ninty-five patients shall be selected from the regular pool of patients visiting Misr International University Dental Clinic Complex. After application of inclusion and exclusion criteria, preoperative and percussion pain shall be recorded on a 10-cm VAS by the patients. Percussion will be performed by tapping on the occlusal surfaces of the teeth with the back of a mirror handle. It will be assessed prior to the root canal treatment by the operator who shall be performing the root canal treatment. Diagnosis of the tooth as symptomatic apical periodontitis will be done according to the book Cohen's Pathways of the Pulp. Clinical symptoms are going to be defined as follows:
- Severe preoperative pain (VAS >6)
- Severe percussion pain (VAS > 6) Patients with all inclusion criteria will be offered to participate in the study.
Grouping of samples:
Each selected patient will get a unique serial code that is previously distributed among the 5 groups randomly. Nineteen patients in each as follows; Group 1: Control (no intervention), Group 2: Placebo (mock laser therapy), Group 3: LLLT, Group 4: ICCT and Group 5: Combination of both LLLT and ICCT. New patients will be incorporated in the study in place of lost patients.
Method:
After the patient signs the attached consent form, profound anesthesia and rubber dam application shall be ensured. Standard chemo-mechanical preparation parameters (Master Apical File: size #25 to #40 k-files depending on anatomical features of the roots) shall be followed. Obturation will be performed using lateral compaction technique. In Group 4 and Group 5, cold saline with temperature ranging from 2-4 °C, will be used as a final rinse using a conventional syringe. LLLT using diode laser (EPIC™ BIOLASE) with wavelength 940nm will be applied towards the tissues surrounding the roots of treated molars in Group 3 and 5 after completing obturation and sealing the access cavity. In Group 2, the diode laser tip shall be placed at approximately 10 mm from the tissue around the apices of the treated roots; however, it won't be activated.
Data collection:
All patients will be instructed to complete a survey at home. Pain is going to be evaluated based upon a questionnaire filled by the patient after 6 hrs, 12 hrs, on 2nd day and 5th day after root canal treatment. Any of the patients taking analgesics after the treatment, shall be advised to note this in the questionnaire. The information collected from the questionnaires covers the occurrence and the intensity of PEP. The intensity of pain will be evaluated on a numeric rating scale (VAS) of 0 for "no pain" to 10 for "unbearable pain". Patients will return the filled questionnaire on the 5th day after treatment and they shall be assured via telephone contact.
Blinding:
Outcome assessors and statistician will be blinded. Both the participants and principal investigators can't be blinded owing to the use of two obviously different methods, LLLT and ICCT or no intervention.
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Contacts and Locations
Study Locations
-
-
-
Cairo, Egypt
- Misr International University
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Patients having a molar tooth with symptomatic apical periodontitis indicated for root canal treatment.
- Systemically free patients. ASA I
- Teeth with mature apex.
- Teeth without root resorption.
Exclusion Criteria:
- Patients with other pulpal diagnoses.
- Medically compromised patients.
- Pregnant females.
- Patients taking analgesics or anti-inflammatory drugs.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Prevention
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Single
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
No Intervention: Control
Routine root canal treatment
|
|
Placebo Comparator: Low-Level Laser Placebo
Patient informed that laser will be applied but device won't be turned on
|
Diode laser (EPIC™ BIOLASE) with wavelength 940nm
|
Experimental: Low-Level Laser Therapy
Low-Level Laser Therapy following root canal treatment
|
Diode laser (EPIC™ BIOLASE) with wavelength 940nm
|
Experimental: Intracanal Cryotherapy
Cold saline irrigation before obturation
|
Irrigation with cold saline 2-4 C
|
Experimental: Combination of LLLT and ICCT
Both cold saline irrigation before obturation and Low-level laser Therapy after root canal treatment
|
Diode laser (EPIC™ BIOLASE) with wavelength 940nm
Irrigation with cold saline 2-4 C
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Post-endodontic pain
Time Frame: 5 days
|
Score on Visual Analogue scale, ranging from 1 (No pain) to 10 (Worst pain)
|
5 days
|
Collaborators and Investigators
Sponsor
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Anticipated)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Other Study ID Numbers
- MisrIU
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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