Webwhile gaps can develop anywhere in your mouth, diastema is most common between your two front teeth (midline diastema). Gaps between your teeth may be small or large. Diastema usually doesn’t have a negative impact on your oral health. However, in some cases, it could be a symptom of gum disease. Weba gap tooth doesn't really fall into any of those categories. Websep 24, 2023 · a diastema is a gap between teeth that is wider than 0. 5 millimeters. It can develop between any teeth. Treatment is not usually…