Category: Dental anesthesia

Originally approved for treating hypertensive episodes, the application of phentolamine in dentistry, under the brand name OraVerse, has become one of its most widely utilized and frequently applied uses today. This alpha-blocker is also critically important in emergency medicine, particularly for managing hypertensive crises caused by excess catecholamines and preventing tissue damage from vasoconstrictive drugs.

According to a 2024 case report, trismus, a restricted mouth opening, can be a prolonged and challenging complication following a local anesthetic injection. This condition most commonly occurs after an inferior alveolar nerve block, and understanding **which nerve block causes trismus** is key to prevention.