Why The Incisal Surface Of Your Teeth Is Thinning So Rapidly bejo 6909 Share Why The Incisal Surface Of Your Teeth Is Thinning So Rapidly Incisal gap Month 3 Week 3/4 - is this normal? Teeth still feel sore ... Incisal Edge Anatomy - Lee Ann Brady, DMD's Dental Blog Read also: Most Posterior Composites Fail If You Don't Follow These Rules