[Appropriate periodontal care: a historical case in light of minimally invasive care].

A 39-year-old woman with severe periodontal inflammation was referred to a periodontist in 2013. Intraoral examination and additional diagnostics revealed generalized periodontitis, stage IV, grade C, with the presence of Aggregatibacter actinomycetemcomitans in the subgingival plaque, according to current classification. Treatment and treatment outcomes are described, followed by consideration of the treatment decisions in light of minimally invasive care and current treatment guidelines.