Understanding the Oral Ceiling: What is the Hard Palate?

In dentistry, the term "ceiling" refers specifically to the hard palate, which forms the upper limit of the oral cavity. It is composed of bone covered by a layer of mucous membrane. The surface of the palate features numerous small folds and ridges called rugae, which help in creating friction to enhance the sense of taste and facilitate the movement of food during chewing and swallowing.