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Department of Pedodontics and Orthodontics,
Institute of Dentistry, University of Helsinki
Department of Oral and Maxillofacial Diseases,
Helsinki University Central Hospital, Helsinki, Finland


Quantitative and Qualitative
Characterization of Mutans Streptococci
in Saliva and in the Dentition


Lisa Grönroos


Academic Dissertation
To be presented with the assent of the Faculty of Medicine of the University of Helsinki for public examination in the main auditorium of the Institute of Dentistry,
Mannerheimintie 172, Helsinki, on 18 August 2000, at 12 noon.

Helsinki 2000




Supervised by:
Professor Satu Alaluusua, DDS, PhD
Department of Pedodontics and Orthodontics
Institute of Dentistry
University of Helsinki, Finland


Reviewed by:
Docent Kaisu Pienihäkkinen, DDS, PhD
Department of Community Dentistry
Institute of Dentistry
University of Turku, Finland


Docent Jaana Vuopio-Varkila, MD, PhD
Department of Special Bacterial Pathogens
National Public Health Institute, Helsinki, Finland

Professor Markus Haapasalo, DDS, PhD
Division of Endodontics
Institute of Dentistry
University of Oslo, Norway


Cover photo: Mutans streptococci on mitis salivarius bacitracin agar (MSB). To the left, colony representing Streptococcus sobrinus. In the middle and to the right, colonies representing Streptococcus mutans.

ISBN 952-91-2381-7
ISBN 952-91-2382-5 (PDF)
ISBN 952-91-2383-3 (HTML)
Helsinki 2000

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