Efficacy of Different Drugs to Control Post Root Canal Treatment Pain

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE2

Total Enrollment

170 participants

Study Classification

INTERVENTIONAL

Study Start Date

2012-08-31

Study Completion Date

2015-01-31

Brief Summary

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Root canal therapy will ideally eliminate post-endodontic pain but occasionally analgesics are needed to diminish the pain \[1\]. Development of pain after completion of root canal treatment may undermine patients' confidence in the procedure and the clinician \[2\]. Non-steroidal anti-inflammatory drugs are one of the most frequently taken analgesic medications for dental pain. Their popularity attributed to their efficacy in relieving pain and fever and low side effect profile at therapeutic doses \[3\]. Mono-therapy analgesic has a low effect on dental pain. Improvement was performance by combining analgesics with different mechanisms of action without raising any adverse effects \[4\], was effective in controlling moderate to severe pain. The combination of a non-steroidal anti-inflammatory drug (NSAID) and paracetamol has shown additive analgesia for treating dental pain in several studies \[5,6\]. Endodontic treatment with a lower prevalence of postoperative pain is usually the treatment of choice. There have been no controlled dental studies evaluating the additive effects of combining a non-steroidal anti-inflammatory drug with paracetamol. Breivik et al \[6\] \& Menhinick et al \[7\] found that a combination of acetaminophen and ibuprofen was more effective than ibuprofen alone in managing postoperative pain. Aim of the present study, to evaluate the efficacy of the paracetamol when used alone and in combinations with three groups of drugs to control postoperative endodontic pain.

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Detailed Description

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Background: Management of pain is challenging part of dental treatment, sometimes pain is a major postoperative symptom after many dental procedures especially for endodontics. The aim of the present randomized clinical trial was to investigate the efficacy of using paracetamol alone and three combinations of non-steroidal anti-inflammatory drugs with paracetamol, to control postoperative endodontics pain.

Methodology: 185 patients who had anterior or premolar teeth with irreversible pulpitis without any signs and symptoms of apical periodontitis and with moderate to severe pain. Patients were divided by allocation randomization into five groups. Four experimental groups receiving different medication; group I (single dose of paracetamol); group II (ibuprofen / paracetamol); group III (diclofenac k / paracetamol), group IV (mefenamic acid /paracetamol) and group V (no medication group). The groups received the medication after the first appointment where the pulp removed, and canals fully prepared. Pain intensity was scored based on 10-point VAS before and after treatment for up to 8 hours postoperatively. Sign test used for comparing pain score before and after treatment. This randomized control clinical trial was conducted on patients who were considered potential candidates if they had moderate to severe spontaneous pain of odontogenic origin (40-100 mm on a visual analogue scale, VAS). Patients were selected from those attending the Conservative dentistry clinics in both the University and the Teaching Hospital Emergency Clinic.

The medications were prepared in the laboratories of faculty of Pharmacy. Four groups of medications were prepared as follows; Group I: paracetamol 1000mg Group II: ibuprofen 600mg + paracetamol 1000mg, Group III: Mefenamic acid 500mg + Paracetamol 1000mg Group IV: Diclofenac K 50mg + paracetamol 1000 mg

Conditions

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Pain Postoperative Pain Irreversible Pulpitis

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

QUADRUPLE

Participants Caregivers Investigators Outcome Assessors

Study Groups

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Group I

paracetamol 1000mg

Group Type ACTIVE_COMPARATOR

Root Canal Treatment

Intervention Type PROCEDURE

A standardized endodontic procedures performed.

Paracetamol

Intervention Type DRUG

Group II

ibuprofen 600mg + paracetamol 1000mg,

Group Type EXPERIMENTAL

Root Canal Treatment

Intervention Type PROCEDURE

A standardized endodontic procedures performed.

Paracetamol

Intervention Type DRUG

Ibuprofen

Intervention Type DRUG

Group III

Mefenamic acid 500mg + Paracetamol 1000mg

Group Type EXPERIMENTAL

Root Canal Treatment

Intervention Type PROCEDURE

A standardized endodontic procedures performed.

Paracetamol

Intervention Type DRUG

Mefenamic acid

Intervention Type DRUG

Group IV

Diclofenac K 50mg + paracetamol 1000 mg

Group Type EXPERIMENTAL

Root Canal Treatment

Intervention Type PROCEDURE

A standardized endodontic procedures performed.

Paracetamol

Intervention Type DRUG

Diclofenac

Intervention Type DRUG

Group V

No medication

Group Type PLACEBO_COMPARATOR

Root Canal Treatment

Intervention Type PROCEDURE

A standardized endodontic procedures performed.

Interventions

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Root Canal Treatment

A standardized endodontic procedures performed.

Intervention Type PROCEDURE

Paracetamol

Intervention Type DRUG

Ibuprofen

Intervention Type DRUG

Mefenamic acid

Intervention Type DRUG

Diclofenac

Intervention Type DRUG

Other Intervention Names

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Endodontic treatment

Eligibility Criteria

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Inclusion Criteria

1. Patient reported spontaneous pain moderate to severe, ranging from 50 to 100 mm on a VAS (0-100 mm);
2. Adult patients presented for emergency endodontic treatment with a symptomatic maxillary or mandibular tooth (anterior and premolar) with a pulpal diagnosis of Irreversible pulpitis and normal periapex.
3. Patient choose to have root canal treatment for pain of endodontic origin.
4. The patient presented with American Society of Anesthesiologists (ASA) I or II medical history (ASA 1963).
5. The patient had read and thoroughly understood the pain score level sheet

Exclusion Criteria

1. Patients below 18 years of age;
2. Analgesic taken within the last 4 hours;
3. History of allergy to NSAIDs, paracetamol or local anaesthetics;
4. History of uncontrolled systemic disease \[gastrointestinal (GI) disorders, oesophageal reflux, active asthma, decreased hepatic function, haemorrhagic disorders, or poorly controlled diabetes mellitus\].
5. Patients currently taking opioids, monoamine oxidase inhibitors, tricyclic antidepresssants, carbamazepine, diuretics, or anticoagulants;
6. There was history of opioid addiction or abuse; and
7. Pregnant or nursing female patients.

Minimum Eligible Age

18 Years

Maximum Eligible Age

60 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes