Media type: E-Article Title: Changes in the position of posterior teeth in relation to ruga points Contributor: van der Linden, Frans P.G.M. imprint: Elsevier BV, 1978 Published in: American Journal of Orthodontics Language: English DOI: 10.1016/0002-9416(78)90081-7 ISSN: 0002-9416 Origination: Footnote: