Comparison of Anesthetic Efficacy of Dexmedetomidine and Epinephrine With Lidocaine in Irreversible Pulpitis

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

UNKNOWN

Clinical Phase

NA

Total Enrollment

100 participants

Study Classification

INTERVENTIONAL

Study Start Date

2018-02-01

Study Completion Date

2018-04-30

Brief Summary

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Aim of the study is to determine and compare the anaesthetic efficacy of dexmedetomidine and epinephrine in combination with 2% lidocaine for inferior nerve block in patients with irreversible pulpitis. Study will be conducted in Post Graduate Institute of Dental Sciences, Rohtak in department of Conservative Dentistry \& Endodontics. Vital mature permanent mandibular molars with radiographically exposed dentinal caries and with signs of irreversible pulpitis will be included in the study. The patients will be randomly allocated into two control and two experimental groups and nerve block will be given according to standard protocol.

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Detailed Description

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AIMS AND OBJECTIVES:

To evaluate the efficacy of conventional inferior alveolar nerve block in mandibular molars with symptomatic irreversible pulpitis with injection dexmedetomidine plus injection lignocaine and compare it with injection lignocaine plus adrenaline.

MATERIALS AND METHODS - Study subjects will be recruited from OPD of Department of conservative dentistry and endodontics, PGIDS, Rohtak.

METHODOLOGY- Prior to treatment, a thorough clinical and radiological examination will be carried out and a thorough history will be taken.

Clinical procedure:

Mature mandibular permanent molars exhibiting deep caries involving pulp radiographically will be chosen for the study. The teeth will be evaluated by periapical radiographs, periodontal probing, percussion test, and vitality assessment with thermal test and electric pulp test; teeth determined to have irreversible pulpitis will be included and with reversible pulpitis will be excluded. All periapical radiographs will be exposed by using constant kVP, mA, and exposure time (70 KVP, 8 mA, and 0.8 sec.) with a Rinn paralleling device.

Study groups:

The subjects will be randomly assigned to 2 EXPERIMENTAL AND 2 CONTROL groups. CONTROL GROUP 1 - The study subjects will receive conventional inferior alveolar nerve block with 1.8 ml of 2% inj lignocaine with adrenaline 1:80000.

CONTROL GROUP 2 - The study subjects will receive conventional inferior alveolar nerve block with 3.6 ml of 2% inj lignocaine with adrenaline 1:80000.

EXPERIMENTAL GROUP 1 - conventional inferior alveolar nerve block with1.8 ml of injection lignocaine plus injection dexmedetomidine 1micromol/ ml.

EXPERIMENTAL GROUP 2 - conventional inferior alveolar nerve block with3.6 ml of injection lignocaine plus injection dexmedetomidine 1micromol/ ml.

* Patients will be explained the treatment procedure and use of pain scales.
* Patients will mark their pretreatment pain on a 170-mm HP VAS
* The area of injection will be dried by using sterile gauze, and topical anesthesia of 20% benzocaine (Mucopain; ICPA, Mumbai, India) will be applied by using sterile cotton-tip applicator for 60 seconds.
* The solution will be injected via a 5-mL disposable syringe (pricon, jodhpur, India) with a 24-gauge needle .
* The anterior border of the mandibular ramus will be palpated and coronoid notch located.
* The needle will be inserted on an imaginary line drawn from coronoid notch to the pterygomandibular raphe, 2 mm above the occlusal plane of mandibular molars.
* The barrel of the syringe will be in the opposite corner of the mouth, between the mandibular premolars.
* The needle will be inserted until bony resistance felt. After reaching the target area, aspiration will be performed, and the solution will be deposited with a rate of 1 ml/min. No anaesthetic solution will be deposited during needle insertion and placement.

Heft-parker visual analogue scale (Heft \& Parker 1984), with 170-millimetre line marked with various terms describing the levels of pain, will be used. The millimetre marks will be removed from the scale, and the scale will be divided into 4 categories:

* 'no pain' corresponding to 0 mm;
* 'faint, weak or mild' pain corresponding to 1-54 mm;
* 'moderate' pain corresponding to 55-114 mm; and
* severe pain corresponding above 114 mm and included 'strong, intense and maximum possible' pain.

* After 15 minutes, each patient will be asked whether his or her lip is numb.
* If profound lip numbness is not recorded, the block will be considered unsuccessful, and the patients will be excluded from the study.
* A conventional access opening will be initiated after isolation with a rubber dam. Patients will be instructed to raise their hand if any pain felt during the procedure.
* In case of pain during the treatment, the procedure will be stopped, and patients will be asked to rate the pain on HP VAS.
* The extent of access preparation and/or instrumentation will be recorded as
* within dentin,
* within pulpal space,
* and instrumentation of canals. • Success will be defined as no pain or weak/mild pain during endodontic access preparation and instrumentation

Conditions

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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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1.8 ml Lignocaine plus adrenaline

The study subjects will receive conventional inferior alveolar nerve block with 1.8 ml of 2% inj lignocaine with adrenaline 1:80000.

Group Type ACTIVE_COMPARATOR