👉 Perimetritis is a medical term used to describe the condition where there is an abnormal opening or gap in the back of the mouth. It can be caused by various factors, such as tooth decay, gum disease, or other dental issues, and it can lead to discomfort or even pain if not treated promptly. Perimetritis can range from a small opening to a large hole that extends past the lips. It is important to seek medical attention immediately if you experience any symptoms of perimetritis,