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Local anaesthesia or numbing is done before tooth extraction. This study compares two different methods of numbing molar teeth before extraction. It compares them on the basis of pain during the procedure and on discomfort after the procedure as well. It will help dentists better understand the benefits of the two techniques, and their usage case to case.
The study was designed as a randomized controlled trial. The purpose of this study was to examine the differences in efficacy of the intraligamentary anaesthetic technique and the inferior alveolar nerve block for mandibular posterior tooth extraction cases. Pain intensity, duration of anaesthesia, incidence of post-operative dry socket, success rates, onset of anaesthesia were examined. It was done in a split-mouth method so that two different techniques were used in the same patient, thus minimizing individual variations.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Split-mouth group | Active Comparator | It includes bilaterally indicated teeth. ILA and IANB were used on opposite sides in the same person; the second tooth was anesthetized only after the first extraction had completed and had been recorded. |
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| Group 2 ILA | Active Comparator | The patients in group 2, with unilateral extractions, that were only administered Intraligamentary anaesthesia. |
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| Group 2 IANB | Active Comparator | The patients in group 2, with unilateral extractions, that were only administered the Inferior Alveolar Nerve Block. In case of multiple unilaterally indicated teeth that were to be extracted under IANB, only the tooth best fitting all criteria was considered for the study. |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Intraligamentary anaesthesia | Procedure | Injection of anesthetic solution into the intraligamentary space along the long axis of a tooth root using a pressure syringe. |
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| Measure | Description | Time Frame |
|---|---|---|
| Injection pain | Rating of injection administration pain from 0-10. | Through the duration of injection (within a few seconds to 1 minute) |
| Pain during extraction procedure | Pain during extraction procedure on a scale of 0-10. | For the duration of treatment (estimated within 1 hour) |
| Unpleasantness of treatment | A rating of 0-10 for overall discomfort felt by the patient during the treatment. | For the duration of treatment (estimated within 1 hour) |
| Latency time of anesthesia (minutes) | The onset of anesthesia after injection | Anesthesia was tested with a dental probe on the marginal gingiva at: 1) immediately after the injection and 2) every 10 seconds (ILA) / every 30 seconds (IANB) until complete painlessness was achieved. |
| Anesthetic effect | 4 categories: Complete, sufficient, insufficient or no effect. | For the duration of treatment (estimated within 2 hours) |
| Amount of anesthetic solution (mL) | The average amount of anaesthetic solution injected per procedure. | For the duration of treatment (estimated within 1 hour) |
| Duration of treatment (minutes) | Time in minutes taken from the injection to the complete extraction of tooth. |
| Measure | Description | Time Frame |
|---|---|---|
| Incidence of Dry socket | Dry socket incidence reported by the patient int he recovery period of 14 days | From the complete extraction of tooth to 14 days after the extraction of tooth |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Amjad Bari, MDS | Nishtar Medical University | Study Chair |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Nishtar Institute of Dentistry | Multan | Punjab Province | 60000 | Pakistan |
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A split-mouth group was included with 70 teeth extracted from 35 patients. In such cases, involving bilaterally indicated teeth, ILA and IANB were used on opposite sides, but the second tooth was anesthetized only after the first extraction had completed and had been recorded. The second group had 500 patients with unilateral extractions. ILA was compared with IANB in each group separately, and the results in group I were then compared descriptively with those in group II.
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| Inferior alveolar nerve block | Procedure | Anaesthetic injection into the pterygomandibular space to block the Inferior alveolar nerve at the mandibular foramen point. |
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| For the duration of treatment (estimated up to 1 to 2 hours) |
| Duration of local numbness (minutes) | Total duration of local numbness reported by the patient | For the duration of treatment (estimated up to 1 to 2 hours) |
| ID | Term |
|---|---|
| D004368 | Dry Socket |
| ID | Term |
|---|---|
| D009059 | Mouth Diseases |
| D009057 | Stomatognathic Diseases |
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