Buccal Fat

The buccal fat pad consists of a main body and four extensions : buccal, pterygoid, pterygomandibular, and temporal. The body is centrally positioned. The buccal extension lies superficially within the cheek and the pterygoid, pterygomandibular, and temporal extensions are more deeply situated.

The buccal extension is the most superficial segment of the fat pad and imparts fullness to the cheek. It enters the cheek below the parotid duct and extends along the anterior border of the masseter as it descends into the mandibular retromolar region. It overlies the main portion of the buccinator muscle as it crosses the cheek. In the cheek, the fat is anterior to the ramus. Its caudal extension intraorally is on a plane tangential with the occlusal surface of the mandibular third molar


fat pad. The parotid duct lies superficial to the fat pad and then penetrates the fat pad and buccinator to enter the oral cavity opposite the second molar. The buccal extension of the fat pad is limited by the masseteric fascia. A deep extension of the masseteric fascia blends with the fascia along the lateral surface of the buccinator. This fascial layer lines the deep surface of the buccal fat that is in contact with the buccinator.

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