Silke Jacker-Guhr

Silke Jacker-Guhr
Hannover Medical School | MHH · Department of Conservative Dentistry, Periodontology and Preventive Dentistry

About

21
Publications
1,674
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329
Citations
Citations since 2017
7 Research Items
144 Citations
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20172018201920202021202220230102030
20172018201920202021202220230102030

Publications

Publications (21)
Article
Purpose: To investigate the effects of dentin decontamination procedures with ethylenediaminetetraacetic acid (EDTA) after contamination with two hemostatic agents, ViscoStat (VS) and ViscoStat Clear (VSC), on the microtensile bond strength (μTBS) of two different universal adhesives, before and after thermocycling (TC). Materials and methods: D...
Article
Full-text available
This study examined the influence of surface contamination during repair procedures with hydrofluoric acid, silane, or ammonium polyfluoride on the bond strength of universal adhesives to dentin using different etching modes before and after thermocycling. Dentin surfaces of human molars were contaminated in different ways (silane, hydrofluoric aci...
Article
Purpose: The pretreatment of glass-ceramic before adhesive cementation can be performed with hydrofluoric acid (HF)/silanization (S) or with an ammonium polyfluoride-containing primer (APF). It can be modified by application of a silane-containing universal adhesive (UA) and/or additional silanization. The aim of this study was to evaluate the bon...
Article
Full-text available
The purpose of this in-vivo study was to evaluate the clinical performance of restorations placed in non-carious cervical lesions (NCCLs), using different cavity preparation designs, after 7.7 years. A total of 85 NCCLs with coronal margins in enamel and cervical margins in dentin were randomly assigned to the following treatment protocols: dentin...
Article
Purpose: The purpose of this in vitro study was to compare the shear bond strength of different universal adhesives to enamel and dentin with and without additional phosphoric acid etching before and after thermocycling (TC). Materials and methods: The mesial, distal, lingual, and buccal surfaces of the teeth were ground flat to expose two ename...
Article
Full-text available
Objectives The aim of this study was the evaluation of microleakage in class V cavities using micro-CT imaging and dye penetration. Materials and methods Sixty class V cavities were prepared, randomly divided into five groups (Adper Single Bond Plus (ASB), ExciTE (EX), iBond TE (ITE), Optibond Solo Plus (OSP), Prime & Bond NT (PB)) and restored wit...
Article
Das Bleichen von Zähnen stellt heute einen wichtigen Teil der ästhetischen Zahnheilkunde dar. Bereits vor 150 Jahren wurden die ersten Bleichvorgehen dokumentiert. Im Allgemeinen muss unterschieden werden, ob es sich um das Bleichen eines oder mehrerer pulpaavitaler Zähne (internes Bleichen), um das Bleichen vitaler Zähne (externes Bleichen) oder e...
Article
Das Hauptaugenmerk der Patienten in der heutigen Zeit liegt nicht mehr ausschließlich auf der Zahn- und Mundgesundheit, sondern auch auf einem strahlend weißen Lächeln. Dies führte zu einer Zunahme an Bleichtherapien. Grundvoraussetzung für eine solche Behandlung ist, die Ursache der Zahnverfärbung zu klären. Unterschieden werden interne und extern...
Article
Full-text available
Introduction: The aim of the study was to examine the effect of an elaborate feedback and an audience response system (ARS) on learning success. Methods: Students of the 1st clinical semester were randomly assigned to a study and a control group. The randomization was carried out considering the factors of age, gender and power spectrum during pre...
Article
Aim of the study was the investigation of the repairability of a silorane (Filtek Silorane, 3M Espe, Seefeld, Germany) after different surface pretreatments in vitro. 54 silorane specimens (5 mm × 5 mm × 5 mm) were fabricated and stored in saline solution (24 h/37°C). Their surface was polished with abrasive paper (600 grit), etched with phosphoric...
Conference Paper
Objectives: Aim of this study was to analyze microleakage of class-V-composite restorations with enamel and dentin margins using two-step total-etch adhesive systems. Methods: Class-V-cavities (3.5x3x1.5mm), with dentin (D) and bevelled enamel margins (E), were prepared in human molars (n=8), and etched with phosphoric acid (GlumA Etch 35 Gel...
Article
Self-adhesive resin cements should ease the placement of dental restorations. The purpose of this study was to evaluate their shear bond strength to enamel and dentin. Sixty molars were randomly assigned to 12 test groups (each n = 10), and the approximal surfaces were ground flat to get an enamel and dentin surface with a diameter of at least 4 mm...
Article
Full-text available
Clinical Relevance When using self-etch adhesives to bond composite materials to enamel, there is concern about the ability to achieve bond strengths comparable to approved etch-and-rinse systems. An additional phosphoric acid etching can improve the shear bond strength of self-etch adhesives to enamel.
Article
The presence and regulation of basic fibroblast growth factor and its high-affinity tyrosine kinase receptor FGFR3 in sensory neurons during development and after peripheral nerve injury suggest a physiological role of the fibroblast growth factor-2 system for survival and maintenance of sensory neurons. Here we investigated L5 spinal ganglia of in...
Conference Paper
Objectives: Aim of the study was the in-vitro-investigation of the repairability of a dental silorane (Filtek Silorane, 3M Espe, Seefeld, Germany) after different surface pretreatments. Methods: 54 silorane specimens (5x5x5 mm) were fabricated and stored in saline solution (24h/ 37C). Their surface was polished with abrasive paper (600grit),...

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