A Comparative Study of the Effectiveness of Different Anatomical Landmarks for Inferior Alveolar Nerve Block

Phase 1

• Conditions: Patient with impacted mandibular third molar on both sides of mandible.; Inferior alveolar nerve block; IANB; Internal oblique ridge; Alternative technique for inferior alveolar nerve block; Local anesthesia of mandible; Mandibular third molar; Wisdom tooth

• Registration Number: TCTR20230704003
• Lead Sponsor: Faculty of Dentistry, Chiang Mai University, Chiang Mai, Thailand

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Study Start: 2023-07-04
• Study Completion: 2024-02-29
• Last Update Posted: 19 August 2024

Recruitment & Eligibility

• Status: Pending (Not yet recruiting)
• Sex: All
• Target Recruitment: 36

Inclusion Criteria

1. Age between 18 - 60 years old.
2. Healthy status (American Society of Anesthesiologists: ASA class I and II).
3. Patient with bilaterally impacted mandibular third molars that require both bone removal and tooth section.
4. Patient who is able to receive the treatment and follow-up on the scheduled date.

Exclusion Criteria

1. History of serious systemic diseases.
2. History of allergy to local anesthesia.
3. During pregnancy or breast feeding.
4. Active infection or pathology of impacted mandibular third molar.
5. History of receiving medicine that could affect the pain perception within last 2 weeks (such as sedative drugs, anti-anxiety drugs, antidepressant drugs).
6. Patient who requires surgery on both sides of impacted mandibular third molar at the same time.
7. Incompetency of communication (such as deafness and visual problems).
8. Illiteracy.

Study & Design

• Study Type: Interventional
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
Success rate of anesthesia From the end of nerve block administration to a negative response to pulp sensibility test within 15 minutes 1.Subjective symptoms: Patient reports tingling or numbness of lower lip at the same side 2.Objective symptoms: Negative response to pulp sensibility test

Secondary Outcome Measures

Name	Time	Method
Onset of anesthesia From the end of nerve block administration to a negative response to pulp sensibility test Timing from the end of nerve block administration to a negative response to pulp sensibility test ,Duration of anesthesia From the end of nerve block administration to the moment that patient begins to feel pain at the site of surgery Patient reports outcome using a questionnaire,Pain assessment during injection During injection Heft-Parker visual analogue scale,Pain assessment during operation During operation Heft-Parker visual analogue scale