What Is the Little Flap of Skin on the Inside of My Cheek?

Many people occasionally notice a small flap of tissue inside their cheek. This article clarifies what this structure is, its role in oral function, and when to seek professional advice.

Anatomy of the Buccal Mucosa Flap

The small flap of tissue inside the cheek is known as the parotid papilla. This normal anatomical structure serves as the opening for the parotid salivary gland duct, also called Stensen’s duct. It typically appears as a small, slightly raised bump.

This papilla is usually found on the inner surface of the cheek, opposite the upper second molar tooth. Its appearance can vary, from a barely noticeable elevation to a more distinct flap of tissue. Despite these variations, its presence is a standard part of human oral anatomy.

Its Role in Oral Health

The primary function of the parotid papilla is to facilitate the delivery of saliva from the parotid gland into the oral cavity. The parotid glands, located in front of and below the ears, are the largest major salivary glands. They produce a watery saliva. This saliva travels through Stensen’s duct and exits into the mouth via the parotid papilla. Saliva plays a multifaceted role in maintaining oral health. It begins the digestive process, lubricates the mouth for speaking and swallowing, and helps cleanse food debris from teeth and oral tissues. Saliva also neutralizes acids and supplies minerals to protect tooth enamel from decay.

When to Seek Professional Advice

While the parotid papilla is a normal structure, certain changes might indicate a need for professional evaluation. Persistent pain, noticeable swelling, redness, or pus discharge from the papilla are concerning signs.

Any significant change in the papilla’s size or color, or if it interferes with chewing or speaking, warrants attention from a dentist or doctor. These issues might stem from blockages within Stensen’s duct, parotid gland infections, or trauma from accidental cheek biting. Prompt assessment can help identify the cause and guide appropriate treatment.

Caring for Your Oral Tissues

Maintaining good oral hygiene benefits all oral tissues, including the buccal mucosa and the parotid papilla. Regular brushing twice daily and flossing remove food particles and plaque, reducing bacterial accumulation. This contributes to a healthy oral environment.

Staying hydrated by drinking plenty of water supports salivary flow, important for saliva’s cleansing and protective functions. Avoiding habits like chronic cheek biting can prevent localized trauma to the papilla and surrounding tissues. Regular dental check-ups allow for professional cleaning and early detection of oral health concerns.