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Related Concept Videos

Local Anesthetics: Adverse Effects01:12

Local Anesthetics: Adverse Effects

411
While local anesthetics are generally safe and well-tolerated, they can occasionally cause adverse effects that vary in severity. Local anesthetics can induce toxicity at two distinct levels. They can either produce local effects through direct contact with the neural elements or be absorbed into the bloodstream from the injection site, leading to systemic effects.
Once absorbed into the systemic circulation, local anesthetics can affect the organs that depend on the functioning of sodium...
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Blood and Nerve Supply to the Bones01:29

Blood and Nerve Supply to the Bones

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Bones are dynamic organs that require a rich supply of oxygen and nutrients. Around 5% to 10% of the cardiac output supplies blood to the bones. A typical long bone has three main sources: the nutrient artery, the metaphyseal and epiphyseal arteries, and the periosteal arteries.
Nutrient Artery
The nutrient artery is the main blood vessel that enters the diaphysis via the nutrient foramen. While most long bones have only one nutrient foramen, large bones, such as the femur, may have two. This...
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Related Experiment Video

Updated: Jun 24, 2025

Ethanol-Induced Cervical Sympathetic Ganglion Block Applications for Promoting Canine Inferior Alveolar Nerve Regeneration Using an Artificial Nerve
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Frequency of Inferior Alveolar Nerve Injury During Third Molar Extraction.

Sehrish Maqbool1,2, Najia Sajjad Khan, Iram Abbas1,2

  • 1Department of Oral and Maxillofacial Surgery, Ayub Medical College, Abbottabad, Pakistan.

Journal of the College of Physicians and Surgeons--Pakistan : JCPSP
|June 6, 2024
PubMed
Summary

The frequency of inferior alveolar nerve injury during third molar extraction was 1.2%. Careful surgical planning and technique can minimize risks associated with this common dental procedure.

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Area of Science:

  • Oral and Maxillofacial Surgery
  • Dental Anesthesiology

Background:

  • Inferior alveolar nerve injuries are a potential complication of third molar extraction.
  • Paraesthesia is a common symptom following such injuries.
  • Understanding the frequency and associated factors is crucial for risk mitigation.

Purpose of the Study:

  • To determine the incidence of inferior alveolar nerve injury following third molar extraction.
  • To investigate potential associations between surgical variables and nerve injury.

Main Methods:

  • A descriptive study was conducted on 163 patients undergoing third molar surgery.
  • Patients were assessed at one week, one month, and three months post-operatively.
  • Chi-square test was used to analyze the relationship between surgical variables and nerve injury.

Main Results:

  • The incidence of inferior alveolar nerve injury was observed to be 1.2% (n=2).
  • No statistically significant association was found between surgical variables (age, gender, impaction type, surgical technique) and nerve injury (p > 0.05).

Conclusions:

  • The study identified a 1.2% frequency of inferior alveolar nerve injury in third molar extractions.
  • Emphasizes the importance of meticulous treatment planning, advanced imaging, surgical expertise, and precise technique to reduce nerve injury risks.