Karina Zierden

Up to 30 years of clinical performance of double-crown-retained removable dental prostheses with spark-eroded friction pins placed in a general dental practice

Karina Zierden, Seline Werdecker, Bernd Wöstmann, Peter Rehmann

PURPOSE: The purpose of this retrospective cohort study was to investigate the clinical performance and longevity of double-crown-retained removable-dental-prostheses (DCR-RDP) with spark-eroded friction pins inserted in a general dental practice and followed up over a period of 30 years. MATERIALS AND METHODS: …

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Clinical Longevity of Obturators in Patients with Jaw Defects: a Retrospective Cohort Study

Karina Zierden, Carolin Julia Koch, Bernd Wöstmann, Peter Rehmann

OBJECTIVES: The primary objective of the present retrospective clinical study was to determine the survival time of obturators while analyzing possible influencing factors. MATERIALS AND METHODS: This retrospective clinical cohort study analyzed the influence of various clinical factors on the survival probability …

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Survival of Double-Crown-Retained Implant-and-Tooth- Supported Removable Partial Dentures: A ≥ 5-Year Clinical Follow-up Study

Karina Zierden, Sarah Marie Reich, Jonas Helmut Adrian Vogler, Bernd Wöstmann et autres

PURPOSE: To assess the survival of double-crown-retained implant-and-tooth-supported removable partial dentures (DCR-ITSRPDs), evaluate abutment survival, and identify first aftercare measures. MATERIALS AND METHODS: The influence of various factors on the survival of the DCR-ITSRPDs and the abutments were observed in this retrospective …

Clinical longevity of obturators in patients with jaw defects; a retrospective cohort study

Karina Zierden, Carolin Julia Koch, Bernd Wöstmann, Peter Rehmann

Abstract Objectives The primary objective of the current retrospective clinical study was to determine the survival time of obturators while analyzing possible influencing factors. Materials and Methods This retrospective clinical cohort study analysed the influence of various clinical factors on the survival …

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Survival time of post and cores after recementation: A 16-year retrospective study with special focus on loss of retention

Jonas Adrian Helmut Vogler, Moritz Lehmann, Maximiliane Amelie Schlenz, Karina Zierden et autres

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Which Patient-Related Factors Influence the Outcome of Telescopic-Retained Removable Implant-Supported Dental Prostheses in Edentulous Patients?

Karina Zierden, Bernd Wöstmann, Peter Rehmann

PURPOSE: To survey the clinical performance of telescopic-retained removable implant-supported dental prostheses (TR-RISDPs) in edentulous patients, as well as incidental maintenance measures and technical complications. MATERIALS AND METHODS: In this retrospective analysis, the former presence of oral cancer, prosthesis location (maxilla or …

Clinical performance of different types of dental prosthesis in patients with head and neck tumors—a retrospective cohort study

Karina Zierden, Juliane Wöstmann, Bernd Wöstmann, Peter Rehmann

OBJECTIVES: To investigate how different types of dental prosthesis perform in patients with head and neck tumors. MATERIALS AND METHODS: In this retrospective clinical cohort study, the impact of different patient-related factors was analyzed as influencing factors on the survival probability of …

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Clinical Outcomes of Implant-Supported Dental Prostheses: A Retrospective Analysis Considering Patient-Related Factors

Karina Zierden, L. Pardo Grau, Bernd Wöstmann, Peter Rehmann

PURPOSE: To investigate the clinical performance of implant-supported dental prostheses (ISDPs), this retrospective clinical study observed influencing factors on survival of the prostheses and necessary maintenance treatments during the observation time and complications of the dental implants. MATERIALS AND METHODS: Patients who …

Nonprecious Alloy vs Precious Alloy Telescopic Crown–Retained Removable Partial Dentures: Survival and Maintenance Needs

Karina Zierden, Luisa Kurzrock, Bernd Wöstmann, Peter Rehmann

PURPOSE: The purpose of this retrospective clinical study was to evaluate the clinical outcomes of nonprecious alloy (NPA) vs precious alloy (PA) telescopic crown-retained removable partial dentures (TRPDs), the factors influencing survival, and the type and number of maintenance procedures required during …

Langzeitbewährung neuer Chairside gefräster CAD/CAM-Hybridkeramiken – eine In-vitro-Studie im Kausimulator

Karina Zierden, Johann Acar, Peter Rehmann, Bernd Wöstmann

Zusammenfassung Ziel dieser In-vitro-Studie war es, das Abrasions- und Bruchverhalten von Chairside gefrästen Hybridkeramiken nach der künstlichen Alterung im Kausimulator zu untersuchen und mögliche Vor- und Nachteile gegenüber konventionellen Keramiken aufzuzeigen. Es kann gesagt werden, dass Materialien, die eine hohe Eigenabrasion (Lava …

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Wear and Fracture Strength of New Ceramic Resins for Chairside Milling

Karina Zierden, Johannes Acar, Peter Rehmann, Bernd Wöstmann

PURPOSE: The purpose of this in vitro study was to evaluate wear and fracture strength of chairside-milled new ceramic resins after artificial aging in a chewing simulator. MATERIALS AND METHODS: Two ceramic resins (Lava Ultimate and Vita Enamic) and two conventional ceramics …