Clinical Study

Clinical Outcomes after Treatment of Periodontal Intrabony Defects with Nanocrystalline Hydroxyapatite (Ostim) or Enamel Matrix Derivatives (Emdogain): A Randomized Controlled Clinical Trial

Figure 4

Distribution (%) of patient perceptions 1 week after treatment. * ; exact χ 2 test. EMD: enamel matrix derivate; NHA: nanocrystalline hydroxyapatite.
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