Best dental clinic in Kovilambakkam Chipped or Fractured Teeth The most common dental injury is a chipped tooth. Chipped teeth can usually be repaired with a filling, but if the chip exposes the pulp of the tooth, a root canal may be needed. The same goes for cracked or split teeth in the back of the mouth. When the crack extends into the root, affecting the pulp, root canal treatment can save all or part of the tooth.