Gingivitis

• Notre Dame Court (Seniors Independent Living) — Dallas, Texas, United States
• Dickinson Place (Seniors Independent Living) — Dallas, Texas, United States

• Magda Mensi — Brescia, Lombardy, Italy

• Virginia Commonwealth University — Richmond, Virginia, United States

• Adams School of Dentistry — Chapel Hill, North Carolina, United States

• University of Texas Health Science Center at San Antonio — San Antonio, Texas, United States

• Magda Mensi — Brescia, Lombardy, Italy

• Kajsa H Abrahamsson — Gothenburg, Sweden

• AOUS — Siena, Italy

Not specified

• Marshfield Clinic-Marshfield Center — Marshfield, Wisconsin, United States