Media type: E-Article Title: An economic evaluation of maxillary implant overdentures based on six vs. four implants Contributor: Listl, Stefan; Fischer, Leonhard; Giannakopoulos, Nikolaos Nikitas Published: Springer Science and Business Media LLC, 2014 Published in: BMC Oral Health, 14 (2014) 1 Language: English DOI: 10.1186/1472-6831-14-105 ISSN: 1472-6831 Origination: Footnote: Access State: Open Access