One-year outcomes of repeated adjunctive photodynamic therapy during periodontal maintenance: a proof-of-principle randomized controlled clinical trial
Martina Lulic, Isabelle Leiggener Görög, Giovanni E. Salvi, Christoph A. Ramseier, Nikolaos Mattheos, Niklaus P. Lang Prince Philip Dental Hospital, The University of Hong Kong, Hong Kong, China; School of Dental Medicine, University of Bern, Bern, Switzerland; School of Medicine and Oral Health, Griffith University, Gold Coast, Qld, Australia