If you are wondering why Tonga’s Minister of Health, Dr Viliami Tangi, sitting in the dentist’s chair is smiling, it is because at last Tonga has a Preventive Dentistry Unit for reaching school children. The Ministry of Health has been without a mobile school dental van for more than 10 years. From Matangi Tonga Magazine Vol. 17, no. 1, May 2002.