Sam Doerken
Overview
Explore the profile of Sam Doerken including associated specialties, affiliations and a list of published articles.
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Articles
15
Citations
132
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0
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Recent Articles
1.
Staus P, von Cube M, Hazard D, Doerken S, Ershova K, Balmford J, et al.
Clin Epidemiol
. 2022 Sep;
14:1053-1064.
PMID: 36134385
Purpose: When studying nosocomial infections, resource-efficient sampling designs such as nested case-control, case-cohort, and point prevalence studies are preferred. However, standard analyses of these study designs can introduce selection bias,...
2.
Strasding M, Abou-Ayash S, Laziok T, Doerken S, Kohal R, Patzelt S
Materials (Basel)
. 2022 Sep;
15(17).
PMID: 36079517
(1) Background: An alternative material to precious metal alloys are non-precious metal alloys. The material properties of these are different and, therefore, their clinical, biological and mechanical behaviors may also...
3.
Spitznagel F, Bonfante E, Campos T, Vollmer M, Boldt J, Doerken S, et al.
Materials (Basel)
. 2021 Dec;
14(24).
PMID: 34947134
To evaluate the failure-load and survival-rate of screw-retained monolithic and bi-layered crowns bonded to titanium-bases before and after mouth-motion fatigue, 72 titanium-implants (SICvantage-max, SIC-invent-AG) were restored with three groups (...
4.
Hein M, Neu J, Doerken S, Schoechlin S, Dorfs S, Zeh W, et al.
Eur J Cardiothorac Surg
. 2021 Oct;
61(3):657-665.
PMID: 34643685
Objectives: Abnormal invasive exercise haemodynamics in asymptomatic patients with severe mitral regurgitation were associated with higher regurgitation burden. We analysed the association between parameters of invasive exercise testing with mortality...
5.
Burkhardt F, Spies B, Riemer L, Adolfsson E, Doerken S, Kohal R
Clin Oral Implants Res
. 2021 Aug;
32(11):1288-1298.
PMID: 34352139
Objective: To evaluate the influence of artificial aging on the transformation propagation and fracture resistance of zirconia implants. Methods: One-piece (with integrated implant abutment, 1P; regular diameter [4.1mm]; n = ...
6.
Doerken S, Metsini A, Buyet S, Wolfensberger A, Zingg W, Wolkewitz M
Infect Control Hosp Epidemiol
. 2021 Aug;
43(8):1022-1031.
PMID: 34348807
Objectives: In 2017, a point-prevalence survey was conducted with 12,931 patients in 96 hospitals across Switzerland as part of the national strategy to prevent healthcare-associated infections (HAIs). We present novel...
7.
Doerken S, Avalos M, Lagarde E, Schumacher M
PLoS One
. 2019 May;
14(5):e0217057.
PMID: 31107924
Estimating and selecting risk factors with extremely low prevalences of exposure for a binary outcome is a challenge because classical standard techniques, markedly logistic regression, often fail to provide meaningful...
8.
Ganter J, Hellwig E, Doerken S, Al-Ahmad A
Clin Oral Investig
. 2019 Apr;
24(1):113-122.
PMID: 31030274
Objectives: The aim of the present study was to evaluate the growth and acid synthesis of cariogenic pathogens in vitro when rebaudioside A was the sole source of carbon, compared...
9.
Spies B, Fross A, Adolfsson E, Bagegni A, Doerken S, Kohal R
Dent Mater
. 2018 Sep;
34(10):1585-1595.
PMID: 30180975
Objective: To investigate the long-term stability of a metal-free zirconia two-piece implant assembled with a carbon fiber-reinforced (CRF) screw by means of transformation propagation, potential changes in surface roughness, the...
10.
Doerken S, Mandel M, Zingg W, Wolkewitz M
Lancet Infect Dis
. 2018 Feb;
18(3):252.
PMID: 29485090
No abstract available.