A Step-By-Step Approach to a Diastema Closure

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A Dual-Purpose Technique that Manages Black Triangles,
by Marcos Vargas, DDS, MS

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A Step-By-Step Approach to a Diastema Closure

  1. 1. A Dual-Purpose Technique that Manages Black TrianglesA Step-By-Step Approach toa Diastema ClosureMarcos Vargas, DDS, MS
  2. 2. Freehand direct resin composites provide an esthetic and conservative approach for closing diastemas and should be part of the armamentarium of every cosmetic dentist. By applying a step-by-step approach to diastema closure when usingdirect resin composites, the practitioner has the opportunity to creatively incorporate shade selection, tooth preparation, material selection, composite layering material blending, proper gingival contouring, and polishing to close diastemas in a predictable and efficient manner in daily practice. Adapted from the full article, which originally appeared in the AACD’s Journal of Cosmetic Dentistry, Fall 2010 issue. For more information, visit www.AACD.com. © 2010-2013 American Academy of Cosmetic Dentistry, All Rights Reserved
  3. 3. Preoperative view of a patient who presented with a diastema between teeth #8 and #9.The appropriate shade ofdirect composite isselected.
  4. 4. The enamelsurface of the teethis minimallyprepared forcompositeplacement.The enamelsurface of teeth#8 and #9 isetched.
  5. 5. An adhesive bonding agent isapplied to the preparationsand light-cured.
  6. 6. Two increments of nano-composite resin are applied to the diastema simultaneously and contoured to optimal proportion on the mesial aspect.An IPC instrument isused to adapt the resinto the proper contour.
  7. 7. A small brush is used tosmooth the composite. These increments of composite are light- cured.
  8. 8. After the matrix isplaced, thecomposite islayered against thematrix lingually andpulled throughtoward the facial.The facial surfaceis finishedusing a finishingdisk.
  9. 9. Surfacecharacteristics arecreated with adiamond bur, withoutwater irrigation.The use of polishingcups contributes tothe creation of therestoration’s finalluster and surfaceanatomy.
  10. 10. Postoperative view after the diastema between teeth #8 and #9 was closed with direct composite resin.
  11. 11. To receive the quarterly, peer-reviewed Journal of Cosmetic Dentistry, become an AACD member at www.AACD.com/join

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