The dental clinician notes the following clinical signs duri…

The dental clinician notes the following clinical signs during the periodontal assessment of a young male teenager: Moderate plaque biofilm present at the gingival margin, Gingival redness and tenderness, Bleeding on gentle probing, Gingival margin in a normal position, Probe depths of 2-3mm, Inflammatory response that seems appropriate given the amount of biofilm. Which of the following types of periodontal disease should the hygienist suspect for this patient?