Physiological Gingival Melanin Hyperpigmentation Treatment with Injectable Vitamin C and Scalpel Technique: A Randomised Controlled Clinical Trial

Figure 4

Vitamin C mesotherapy (test group); vitamin C injected with insulin syringe (a), preoperative view (b), intraoperative view (c), one month postoperative view (d), and three months postoperative view (e).

(a)

(b)

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(d)

(e)