Minors (1) Origin (1) Zero (The number) (1) Valuation (1) Teeth (1) Stocks (1) Public health personnel (1) Mouth--Care and hygiene (1) Medical personnel (1) Hygiene (1) History (1) Health promotion (1) Health education (1) Health (1) Fountains (1) Education (1) Dental caries (1) Communication (1) Children (1) Boca--Cuidado e higiene (1) Origen (1) Personal de salud pública (1) Personal sanitario (1) Promoción de la salud (1) Cantidad (1) Valoración (1) Salud (1) Caries dental (1) Fuentes (1) Estudio (1)