Linear gingival erythema (LGE) is a periodontal disorder diagnosed based on distinct clinical characteristics. It was originally thought that LGE was directly associated with HIV, and it was thus called HIV-associated gingivitis (HIV-G). Later research confirmed that LGE also occurs in HIV negative immunocompromised patients, and it was thus renamed.[1]
LGE is limited to the soft tissue of the periodontium, appearing as a red line 2–3 mm in width adjacent to the free gingival margin. Unlike conventional periodontal disease, though, LGE is not significantly associated with increased levels of dental plaque.[1]
The prevalence of LGE remains unclear[2] and there is no known treatment.
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