Demonstrate Effective PAD™ in Supragingival Plaques
Article by Qin Y. et al Lasers in Medical Science. 2008. 23: 49-54. A laboratory study to demonstrate effectiveness of PAD™ in supragingival plaques depends on increasing doses of light and photosensitiser

Vivo Study in Animals
Paper by Komerik N. et al Antimicrobial Agents and Chemotherapy. 2003. 47.3: 932-940. Further confirmation of effectiveness of PAD™ against p.gingavalis