Contouring after IPR

Contouring involves using a diamond strip to adjust the contact points between teeth, specifically after interproximal reduction (IPR). The goal is to shape these areas into a convex (curved) rather than flat surface to enhance the tooth's natural appearance.

Procedure for Contouring

• Initial Condition After IPR: Typically, using a diamond disc for IPR results in flat surfaces between teeth with potential sharp edges, which might not be aesthetically pleasing or physiologically functional.
• Objective: Proper contouring modifies these flat areas and sharp corners to mimic the natural curvature of teeth, concealing any signs of IPR. This not only improves the appearance but also facilitates better alignment by allowing teeth to rotate smoothly without sharp corners causing space issues. Rounded edges can also enhance oral hygiene as they create ideal contact points rather than flat contacts which can trap food particles and plaque.
• Instruments Needed for Contouring:
  • Diamond Strips (available in medium, fine, and extra-fine grits)
• Steps to Contour Teeth:
  • Smooth the Edges: After completing IPR, use a diamond strip to smooth any sharp corners on the teeth.
  • Technique: Shape the strip into a "U" form and maintain this shape while moving it back and forth across the tooth's surface. Focus on the edges you wish to round off, avoiding extensive contact with the central part of the interproximal area to prevent over-reduction.

By following these detailed steps, you can ensure that the teeth look better and are positioned to meet functional standards of dental health and aesthetics.