The client is a 28-year-old woman. A gingival lesion involvi…
The client is a 28-year-old woman. A gingival lesion involving the interproximal papillae between teeth #7 and #8 on the labial surface is bright red, soft, and spongy; it bleeds easily, with no pus and it is caused by an irritant. The histology report shows a proliferation of connective tissue containing numerous blood vessels and inflammatory cells occurring as a response to injury. Which of the following is the most likely lesion?