The cost-effectiveness of supportive periodontal care: A global perspective

1. Pennington, M.
2. Heasman, P.
3. Gaunt, F.
4. Güntsch, A.
5. Ivanovski, S.
6. Imazato, S.
7. Rajapakse, S.
8. Allen, E.
9. Flemmig, T.
10. Sanz, M.
11. Vernazza, C.