Incisive papilla

Anatomical structure in the mouth

The incisive papilla is a small, raised area of tissue located on the roof of the mouth, just behind the maxillary central incisors. It is an important anatomical landmark in the oral cavity and plays a role in various dental and orthodontic procedures.

Anatomy

Diagram of the palate showing the incisive papilla

The incisive papilla is situated at the anterior part of the hard palate, near the midline. It is a small, rounded projection of mucosa that covers the opening of the incisive canal. This canal is a passageway that allows the nasopalatine nerve and blood vessels to travel from the nasal cavity to the oral cavity.

Function

The primary function of the incisive papilla is to protect the underlying structures, including the nasopalatine nerve and blood vessels. It also serves as a landmark for various dental procedures, such as the fabrication of dental prostheses and the placement of orthodontic appliances.

Clinical Significance

The incisive papilla is often used as a reference point in dentistry. For example, it is used to determine the midline of the dental arch during the construction of dentures. It is also a key landmark in orthodontics for aligning the teeth properly.

In some cases, the incisive papilla may become inflamed or enlarged, a condition known as papillitis. This can occur due to irritation from dental appliances or poor oral hygiene.

Development

During embryonic development, the incisive papilla forms as part of the development of the palate. It is present at birth and remains throughout life, although its size and shape may change slightly with age.

Related Structures

The incisive papilla is closely associated with the incisive foramen, which is the opening of the incisive canal. The nasopalatine nerve that passes through this canal provides sensory innervation to the anterior part of the hard palate.

Related Pages

• Hard palate
• Nasopalatine nerve
• Dental anatomy
• Orthodontics