Compressive residual stresses in the surface-near layer lead to in an increased tooth root load carrying capacity. However, their effect is usually limited to the outermost surface layer, which is why deeper material areas are of greater importance. Microscopic defects (e.g. non-metallic inclusions and coarse grains) play an important role. As a result, the desired load carrying potential cannot be reliably exploited due to the resulting sub-surface initiated fisheye failures. Therefore, the aim of this work is to extend the current state of knowledge on the influence of microscopic defects on the tooth root bending strength.
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Compressive residual stresses in the surface-near layer lead to in an increased tooth root load carrying capacity. However, their effect is usually limited to the outermost surface layer, which is why deeper material areas are of greater importance. Microscopic defects (e.g. non-metallic inclusions and coarse grains) play an important role. As a result, the desired load carrying potential cannot be reliably exploited due to the resulting sub-surface initiated fisheye failures. Therefore, the aim...
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