During the dental and periodontal assessment, you record generalized marginal gingival inflammation, generalized moderate interproximal subgingival calculus deposits, generalized bleeding on probing, with 2-4 mm probing depths. Existing restorations include teeth #14-MO, #4-MOD, #13-MO, #18-MO, and #19-B. Radiographs reveal no evidence of bone loss, proximal carious lesions on 29D, 30M, and 19M and restoration overhangs on #14M and #4D. She brushes once a day and does not use an interproximal cleaning aid.
Which of the following conditions represents the MOST accurate periodontal disease classification?