What is the purpose of a direct pulp cap?

A direct pulp cap is a dental procedure used primarily to protect the dental pulp after it has been exposed due to various reasons such as caries or trauma. The main goal of applying a direct pulp cap is to seal the pulp and create an environment conducive to healing. When the pulp is exposed, there is a risk of infection and further damage, so the material used for the cap (often a biocompatible substance like calcium hydroxide, dental cement, or a similar material) helps create a barrier against bacteria while also stimulating the formation of reparative dentin.

This procedure is particularly beneficial as it allows the tooth to potentially remain vital and avoid extraction, thus preserving the tooth structure and function. The direct pulp cap aims not only to protect the pulp but also to ensure that it can heal and regenerate, thereby enhancing the long-term prognosis of the tooth.