Tracey Bell Dental~Aesthetic Medical Clinics on Instagram: "What is abfraction — and why does it matter? Abfraction is a common but often misunderstood cause of tooth sensitivity. It appears as a sharp notch at the gum margin and is not decay. 🔹 It is caused by excessive biting forces 🔹 Teeth flex microscopically under load 🔹 Micro-cracks form in enamel 🔹 Enamel fractures away 🔹 Dentine becomes exposed → sensitivity In this clinical case, the teeth will be restored because the dentine is ex

A is for Abfraction. Ever notice a sharp “chip” right at the gum line and wonder where it came from? That’s abfraction — not a cavity, not decay, but stress on the tooth over time. Clenching, grinding, and bite forces can literally flex a tooth and cause a hard-edged defect at the gum line. It can look small, but it can be sensitive and get worse if ignored. In this series, I’m breaking dentistry down A–Z so you actually understand what’s happening in your mouth — no fear tactics, no fluff. If y