Dermatology Research
Open AccessAnesthetic Technique for Aesthetic Procedures in the Facial Region
Authors: Gabriela Ducioni Matos, Isabela Naomi Kuroda Costa, Lorena Maria Moraes Pithon Napoli, Brian Adans Carvalho, Gustavo Moraes Pithon Napoli, João Vitor Moraes Pithon-Napoli.
Abstract
While local anesthesia effectively numbs tissue, its high-volume injections can cause swelling and tissue distortion, increasing bleeding risk and reducing treatment precision. In contrast, nerve block anesthesia is a more accurate technique. By injecting a smaller volume of anesthetic near specific nerves, it achieves targeted pain control without the tissue swelling and deformation seen with local anesthesia. This makes it particularly beneficial for delicate areas like the face. This nerve block technique is particularly advantageous for delicate areas such as the face. We will address the technique of nerve blocks in the facial region using the Neutral Anesthesia of Pithon (SANEP), providing a step-by-step guide for its application at the supraorbital, infraorbital, and mental foramen. Supraorbital Foramen: Located on the superior orbital margin, typically in line with the pupil. For anesthesia, a 30G needle is inserted perpendicular to the skin, without penetrating the foramen. Infraorbital Foramen: Located approximately 1 cm below the infraorbital rim, also in line with the pupil. The intraoral technique involves inserting the needle into the superior vestibular mucosa, near the first premolar. The extraoral technique uses the index finger to palpate the foramen, and the needle is inserted at a 90-degree angle to the skin, without entering the foramen. Mental Foramen: Located on the mandible, between the lower premolars. The intraoral technique is performed via the inferior vestibular mucosa, between the first and second premolars. The extraoral technique involves palpating the foramen with a finger and injecting the needle at a 90-degree angle, directing it toward the foramen without penetrating it. In all cases, the recommended dose of local anesthetic is 0.5 to 1mL. Performing facial nerve blocks is a skill that can be easily and quickly learned. For this, a crucial understanding of the anatomy of the facial nerves is required for effective procedure execution.
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