Multiple choice

Periodontal ligament injection or intraligamentary injection is not recommended in patients with cardiovascular diseases because it causes

  1. a transient decrease in blood pressure

  2. a transient increase in blood pressure

  3. a decrease in heart rate

  4. none of the above
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A Correct answer
Explanation

Intraligamentary injection is considered as intraosseous injection because of the distribution of the anesthetic in the medullary spaces adjacent to the periodontal ligament. In some patients, it causes a transient decrease in blood pressure and an increase in heart rate. These changes are manifested clinically as palpitations and anxiety.

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