Christoph J. Roser
YOU?
Author Swipe
View article: Biological Response of Osteoblasts to Zirconia Manufactured via FFF, DLP, and Milling
Biological Response of Osteoblasts to Zirconia Manufactured via FFF, DLP, and Milling Open
(1) Background: Zirconia (ZrO2) is increasingly used in dental implantology due to its biocompatibility and favorable mechanical and biological properties. While subtractive and stereolithographic additive manufacturing techniques are well…
View article: Digital Occlusal Contact Area Indicates Masticatory Performance for Normal Occlusion, but Not for Malocclusion
Digital Occlusal Contact Area Indicates Masticatory Performance for Normal Occlusion, but Not for Malocclusion Open
Objectives Since 1949, occlusal contact area (OCA) has been recognised as an indicator of masticatory performance (MP), but it required individual and laborious analog measurement. Today, a digital workflow could provide automatic quantifi…
View article: Development and in vitro testing of an orthodontic miniscrew for use in the mandible
Development and in vitro testing of an orthodontic miniscrew for use in the mandible Open
Objective Temporary anchorage devices (TADs) have been successfully used in the maxilla. However, in the mandible, lower success rates present a challenge in everyday clinical practice. A new TAD design will be presented that is intended t…
View article: A digital CAD/CAM configurator for the production of orthodontic appliances – Going new ways
A digital CAD/CAM configurator for the production of orthodontic appliances – Going new ways Open
View article: CAD-based functional therapy during aligner treatment – the “En-Nova”-protocol (technical report)
CAD-based functional therapy during aligner treatment – the “En-Nova”-protocol (technical report) Open
View article: Finite Element Analysis of Fixed Orthodontic Retainers
Finite Element Analysis of Fixed Orthodontic Retainers Open
The efficacy of retainers is a pivotal concern in orthodontic care. This study examined the biomechanical behaviour of retainers, particularly the influence of retainer stiffness and tooth resilience on force transmission and stress distri…
View article: A new CAD/CAM tooth mobility simulating model for dental in vitro investigations
A new CAD/CAM tooth mobility simulating model for dental in vitro investigations Open
Objectives To validate a new tooth mobility simulating in vitro model for biomechanical tests of dental appliances and restorations. Material and methods Load-deflection curves for teeth in CAD/CAM models ( n = 10/group, 6 teeth/model) of …
View article: Comparison of six different CAD/CAM retainers vs. the stainless steel twistflex retainer: an in vitro investigation of survival rate and stability
Comparison of six different CAD/CAM retainers vs. the stainless steel twistflex retainer: an in vitro investigation of survival rate and stability Open
Purpose To compare failure rates and maximum load capacity (F max ) of six different computer-aided design/computer-aided manufacturing (CAD/CAM) retainers with those of the hand-bent five-stranded stainless steel twistflex retainer. Mater…
View article: Influence of Individual Bracket Base Design on the Shear Bond Strength of In-Office 3D Printed Brackets—An In Vitro Study
Influence of Individual Bracket Base Design on the Shear Bond Strength of In-Office 3D Printed Brackets—An In Vitro Study Open
(1) Background: Novel high-performance polymers for medical 3D printing enable in-office manufacturing of fully customized brackets. Previous studies have investigated clinically relevant parameters such as manufacturing precision, torque …
View article: Concept for the Treatment of Class III Anomalies with a Skeletally Anchored Appliance Fabricated in the CAD/CAM Process—The MIRA Appliance
Concept for the Treatment of Class III Anomalies with a Skeletally Anchored Appliance Fabricated in the CAD/CAM Process—The MIRA Appliance Open
Objective: Intermaxillary elastics, anchored skeletally, represent a promising concept for treatment in adolescent patients with skeletal Class III anomalies. A challenge in existing concepts is the survival rate of the miniscrews in the m…
View article: Precision of slot widths and torque transmission of in-office 3D printed brackets
Precision of slot widths and torque transmission of in-office 3D printed brackets Open
Purpose To investigate a novel in-office three-dimensionally (3D) printed polymer bracket regarding slot precision and torque transmission. Methods Based on a 0.022″ bracket system, stereolithography was used to manufacture brackets ( N = …
View article: In vivo assessment of artefacts in MRI images caused by conventional twistflex and various fixed orthodontic CAD/CAM retainers
In vivo assessment of artefacts in MRI images caused by conventional twistflex and various fixed orthodontic CAD/CAM retainers Open
Purpose To assess magnetic resonance imaging (MRI) artefacts caused by different computer-aided design/computer-aided manufacturing (CAD/CAM) retainers in comparison with conventional hand bent stainless steel twistflex retainers in vivo. …
View article: Diagnostic compatibility of various fixed orthodontic retainers for head/neck MRI and dental MRI
Diagnostic compatibility of various fixed orthodontic retainers for head/neck MRI and dental MRI Open
View article: Osteoblast behaviour on zirconia fabricated by additive and subtractive technology
Osteoblast behaviour on zirconia fabricated by additive and subtractive technology Open
Zirconia is an attractive material for the manufacturing of oral implants and patient-individual barriers for guided bone regeneration. This study compared osteoblast behaviour on additive manufactured and milled 3-mol% yttria-stabilized t…
View article: Orthodontic shear bond strength and ultimate load tests of CAD/CAM produced artificial teeth
Orthodontic shear bond strength and ultimate load tests of CAD/CAM produced artificial teeth Open
View article: Influence of Preventive Tooth Extractions on Quality of Life in Patients with Antiresorptive Intake—A Prospective Longitudinal Study
Influence of Preventive Tooth Extractions on Quality of Life in Patients with Antiresorptive Intake—A Prospective Longitudinal Study Open
Background: To find out whether preventive tooth extractions in patients on antiresorptive therapy have a direct impact on the patients’ overall quality of life (QoL); Methods: QoL using the five-level version of the EuroQol Group’s EQ-5D …
View article: Mechanical properties of CAD/CAM-fabricated in comparison to conventionally fabricated functional regulator 3 appliances
Mechanical properties of CAD/CAM-fabricated in comparison to conventionally fabricated functional regulator 3 appliances Open
View article: Expression of apoptosis repressor with caspase recruitment domain (ARC) in familial adenomatous polyposis (FAP) adenomas and its correlation with DNA mismatch repair proteins, p53, Bcl-2, COX-2 and beta-catenin
Expression of apoptosis repressor with caspase recruitment domain (ARC) in familial adenomatous polyposis (FAP) adenomas and its correlation with DNA mismatch repair proteins, p53, Bcl-2, COX-2 and beta-catenin Open
Background Colorectal familial adenomatous polyposis (FAP) adenomas exhibit a uniform pathogenetic basis caused by a germline mutation in the adenomatous polyposis gene ( APC ), but the molecular changes leading to their development are in…
View article: Evaluation of magnetic resonance imaging artifacts caused by fixed orthodontic CAD/CAM retainers—an in vitro study
Evaluation of magnetic resonance imaging artifacts caused by fixed orthodontic CAD/CAM retainers—an in vitro study Open