Efficacy of Two Injection Techniques on Success Rate of Inferior Alveolar Nerve Anesthesia

Study Overview
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Brief Summary
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Forty healthy patients with including criteria who failed to infra alveolar nerve block injection (without lip numbness) have been randomly divided into two groups on a random basis and have received Gow-Gates or another inferior alveolar nerve block injection. Endodontic access cavity preparation has been initiated after complete anesthesia. If patients felt any pain during the steps of caries or dentin removal, Endodontic access cavity preparation or canal working length determination, treatment has been stopped and their pain has been measured by Heft Parker 170 mm Visual Analog Scale (Zero as no pain and 170 as maximum pain ).The data has been analyzed by Mann-U-Whitney and CHI- SQUARE tests.

Detailed Description
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The aim of this study was to assess the efficacy of Gow-Gates and inferior alveolar nerve block on success rate of anesthesia in patients with irreversible pulpitis. In this prospective, randomized, double-blind study , forty healthy patients with symptomatic irreversible pulpitis and including criteria who failed to infra alveolar nerve block injection (without lip numbness) have been randomly divided into two groups on a random basis and have received Gow-Gates or another inferior alveolar nerve block injection. Their pain has been evaluated by electric pulp tester every 5 minutes for two times. Endodontic access cavity preparation has been initiated after complete anesthesia. If patients felt any pain during the steps of caries or dentin removal, Endodontic access cavity preparation or canal working length determination, treatment has been stopped and their pain has been measured by Heft Parker 170 mm Visual Analog Scale (Zero as no pain and 170 as maximum pain ). The patients have been instructed to rate any pain during each of the mentioned steps. The data have been analyzed by Mann-U-Whitney and CHI- SQUARE tests.

Official Title
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Comparative Efficacy of Gow-Gates and Inferior Alveolar Nerve Block Injection Techniques on Success Rate of Anesthesia in Patients With Symptomatic Irreversible Pulpitis

Conditions
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Failed Mechanical Induction

Intervention / Treatment
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* Other: Injection technique


Participation Criteria
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Eligibility Criteria
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Inclusion Criteria: Patients with symptomatic irreversible pulpitis ( Visual Analog Scale ≥ 54) in one mandibular molar who need root canal treatment without systemic diseases non smoking non analgesic/sedative or any medicine consumption non pregnant non breast feeding the patients who received one conventional inferior alveolar nerve block and their block was failed ( without lip numbness) Exclusion Criteria:

Ages Eligible for Study
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Minimum Age: 18 Years
Maximum Age: 65 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

Primary Purpose: Treatment
Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Double


Arms and Interventions

| Participant Group/Arm | Intervention/Treatment |
| --- | --- |
| Active Comparator: Gow-Gates injection<br>An injection technique for infra alveolar nerve anesthesia | Other: Injection technique<br>* One group received Gow-Gates technique and the other group received Infra Alveolar Nerve Block technique for their failed first one anesthesia<br>|
| Active Comparator: Infra alveolar nerve block injection<br>An injection technique for infra alveolar nerve anesthesia | Other: Injection technique<br>* One group received Gow-Gates technique and the other group received Infra Alveolar Nerve Block technique for their failed first one anesthesia<br>|

What is the study measuring?
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Primary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| Pain Score | Heft Parker 170 mm Analog Visual Scale | 4 Hours |