Chitosan Nano-hydroxyapatite Hydrogel in Non-Surgical Treatment of Intrabony Defect

The periodontal pockets more than or equal 3-5mm were isolated. Chitosan and nano-HAP hydrogel were prepared in the same steps that were mentioned in the methodology and then the prepared gel was applied to the test site of patients with the deepest probing pocket measurement once per week for 3 weeks. Periodontal dressing (Coe-pack) was to secure the hydrogel in place.