Virgin Coconut Oil as a New Concept for Periodontal Tissue Regeneration via Expressions of TNF-α and TGF-β1

Figure 5

TGF-β1 (brown) in immunohistochemistry preparation on the 7th and 14th day. (a) Treatment group: combination of SRP + VCO gel. (b) Positive control group: SRP + metronidazole gel. (c) Negative control group: SRP.