* Quaas S, Martin T, Luthardt RG. Die Versorgung von Lückengebisssituationen durch Verbundbrücken. Zahnmedizin up2date, 2020; 14: 239-252.
* Just BA, Quaas S, Rudolph H, Walter M, Foest EM, Luthardt RG. A Novel Surrogate Parameter Measuring the Outcome in Dental Clinical Trials. Research & Reviews: Journal of Dental Sciences, 2017:5(1):70-75.
* Rudolph H, Graf MRS, Kuhn K, Rupf-Köhler S, Eirich A, Edelmann C, Quaas S, Luthardt RG. Performance of Dental Impression Materials: Benchmarking of Materials and Techniques by Three-dimensional Analysis. Dent Mater J. 2015;34(5):572-84.
* Quaas S, Loos R, Rudolph H, Luthardt RG. Randomized controlled Trial comparing direct intraoral digitizing with extraoral digitizing after Impression taking. Int J Prosthodont 2015; 28(1):30-32.
* Maiorana C, King P, Quaas S, Sondell K, Worsaae N, Galindo-Moreno P. Clinical and Radiographic Evaluation of early loaded narrow diameter implants: 3 years follow-up. Clin Oral Impl Res 2015;26(1):77-82.
* Martin T, Luthardt RG, Rudolph H, Ahlskog L, Quaas S. RCT on the survival rates of implant-supported and tooth-implant-supported bridges. Poster anlässlich der „34rd Annual Meeting & Exhibition of the AADR“ vom 19.- 22. März 2014 in Charlotte, USA.
* Rudolph H, Röhl A, Walter MH, Luthardt RG, Quaas S. Performance of fast-set impression materials in the reproduction of subgingival tooth surfaces without soft-tissue retractions. Int J Prosthodont 2014;27(4):366-75.
* Rudolph H, Quaas S, Haim M, Preißler J, Walter MH, Koch R, Luthardt RG. Randomized controlled clinical trial on the three-dimensional accuracy of fast-set impression materials. Clin Oral Invest 2013;17(5):1397-406.
* Moldan MC, Rudolph H, Quaas S, Rupf SC, Boeckers T, Wilke H, Luthardt RG. Dynamic loading of primary stable implants in an innovative chewing-simulator. Vortrag anlässlich der General Session der IADR vom 20. – 23.03.2013 in Seattle, USA.
* Botzenhart UU, Henningsen A, Quaas S, Luthardt RG, Proff P, Spassov A, Gedrange T. 3D assisted morphological analysis of palatal upper central and lateral incisor surfaces. Biomed Tech 2012; 57:71–77.
* Quaas S, Rudolph H. CAD/CAM-gestützte Fertigungsverfahren. In: Jahrbuch Digitale Dentale Technologien 2011; Oemus Media AG, Leipzig, 87-90.
* Luthardt RG, Walter MH, Quaas S, Koch R, Rudolph H. Comparison of the three-dimensional correctness of impression techniques: a randomized controlled trial. Quint Int 2010;41(10): 845-53.
* Rudolph H, Quaas S. CAD/CAM-gefertigte Restaurationen - Grundlagen und Technologien für die zahnärztliche Praxis. Spitta Verlag, Balingen; 1. Aufl. 2009; ISBN: 978-3-938509-70-8.
* Haim M, Luthardt RG, Rudolph H, Koch R, Walter MH, Quaas S. Randomized controlled clinical study on the accuracy of two-stage-putty-and-wash impression materials. Int J Prosthodont 2009;22(3):296-302.
* Quaas S, Rudolph H, Luthardt RG. CAD/CAM-Systeme für die Praxis. zm – Zahnärztliche Mitteilungen 2008;98(23):52-58.
* Rudolph H, Quaas S. Dentales CAD/CAM heute: Technologien und Werkstoffe. Der Freie Zahnarzt 2008;52(10):49-57.
* Quaas S, Rudolph H, Luthardt RG. Direct mechanical data aquisition of dental impressions for manufacturing CAD/CAM crowns and bridges. J Dent 2007;35:903-8.
* Luthardt RG, Loos R, Quaas S. Accuracy of Intraoral Data Acquisition in Comparison to the Conventional Impression. Int J Comput Dent 2005;8:283-94.