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