Local Anesthesia in Oral and Maxillofacial Surgery Part 1

What is the maximum recommended dosage for articaine?

• 0.5 mg/kg body weight

• 0.8 mg/kg body weight

• 1.0 mg/kg body weight

• 1.5 mg/kg body weight

Which of the following is a contraindication for the use of articaine?

• Idiopathic methemoglobinuria

• Hypoxia

• Cardio-respiratory failures

• All of the above

What is the importance of vasoconstrictors in local anesthetic solution?

• To increase tissue perfusion

• To decrease the absorption of local anesthetics into the circulatory system

• To decrease the duration of action of the local anesthetic

• To increase the risk of toxicity

Which of the following is a commonly used vasoconstrictor?

• Epinephrine

• Norepinephrine

• Levonordefrin hydrochloride

• All of the above

What is the concentration of vasoconstrictor in a 1:100,000 dilution?

• 0.01 mg/ml

• 0.05 mg/ml

• 0.1 mg/ml

• 1.0 mg/ml

What is the recommended dose of phentolamine for reversal of local anesthesia?

• 0.2 mg

• 0.4 mg

• 0.6 mg

• 0.8 mg

Which technique is used for inferior alveolar nerve block?

• Halsted technique

• Akinosi technique

• Gow-Gates technique

• Vazirani technique

What areas are anesthetized by the inferior alveolar nerve block?

• Mandibular teeth and surrounding bone

• Buccal gingiva in relation to mandibular anterior and premolar teeth

• Lower lip on the same side

• All of the above

What is the most common problem associated with inferior alveolar nerve block?

• Hematoma formation

• Transient facial nerve palsy

• Trismus

• Failure to obtain anesthesia

What is the treatment for hematoma formation after inferior alveolar nerve block?

• Surgical drainage

• Antibiotic therapy

• Symptomatic treatment

• Physiotherapy