Christoph Bourauel

TL;DR: A friction-testing assembly simulating three-dimensional tooth rotations was constructed to study factors affecting friction magnitude and recommends the application of 0.016 x 0.022 inch stainless steel wire combined with a medium or wide bracket for an arch-guided mechanism with an 0.018 inch slot.

TL;DR: It has been suggested that intraoral temperature variations might transiently affect their properties and that the fracture resistance of used Ni-Ti wires is reduced, and a clear definition of limitations of laboratory experimental configurations might be instrumental in confining the clinical impact of research findings to their actual extent.

TL;DR: Incisor torque, premolar derotation and molar distalization can be performed using Invisalign® aligners and the staging and the total amount of planned movement have a significant impact on treatment efficacy.

TL;DR: Using the non-destructive techniques of atomic force microscopy (AFM) and of laser specular reflectance, the surface roughness of 11 nickel-titanium orthodontic wires, a stainless steel and a beta-Titanium wire was measured.

TL;DR: The forces and moments generated by aligners of the Invisalign system are within the range of orthodontic forces and the force change is exponential while a patient is wearing removable thermoplastic appliances.