Volker Opitz

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OBJECTIVES Polyamide-12 (PA) is a flexible material suited for denture bases and clasping. This study investigated its potential aging effects with a focus on surface roughness, color stability, and elasticity. METHODS PA specimens (Valplast) of 40×10×2 mm and equally measuring PMMA specimens (Palapress) as control were fabricated. Color changes after(More)
Genuine prolapse of the vaginal stump following total hysterectomy, which must be differentiated from the relatively frequent vaginal descent after hysterectomy usually not requiring additional surgery, is generally a rare positional anomaly of the female genitalia and is by no means easy to correct. This phenomenon requires special surgery to restore or(More)
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