Lina Agozzino RDH, now operates LA Dental Hygiene. Lina is an Honours graduate from the George Brown Dental Hygiene program. She has been offering her services in Richmond Hill and Toronto since 1985 and is registered with the CDHO (College of Dental Hygienists of Ontario) . Lina is also a member of the CDHA (Canadian Dental Hygienists Association) and the ODHA (Ontario Dental Hygienists Association).