This in vitro study evaluated the biocompatibility and abrasivity of whitening conventional toothpastes. Samples (non-whitening) - Edel White Infant (EWI) toothpastes Whitening (EWW), CAREFORTE (EWC), Colgate Total 12 Ò Professional (C), Oral-B (OB) were dissolved culture medium (0.2 g sample weight per mL). Human gingival fibroblasts (hGF) placed contact with different dilutions media that had...

A novel subspace approach for speech enhancement using a subband whitening filter is proposed. Previous subspace approaches for enhancement either assumed white noise or used a fullband pre-whitening filter before enhancement for colored noise. The previous approaches were successful only in reducing the upper bound of the signal distortion while reducing noise. However, the proposed method min...

Carbamide and hydrogen peroxide are the most frequently utilized compounds for various whitening techniques, that differ as per level, method of administration, exposure period, when it comes to active solutions accessible important tooth whitening. The 10±1% carbamide dosage was only level date acquire American Dental Association's stamp approval, ensuring its safety effectiveness at-home with...

J.J. García-Medina, M. García-Medina a Servicio de Oftalmología, Hospital General Universitario Reina Sofía, Murcia, Spain b Departamento de Oftalmología, Optometría, Otorrinolaringología y Anatomía Patológica, Facultad de Medicina, Universidad de Murcia, Murcia, Spain c Unidad de Investigación Oftalmológica Santiago Grisolía, Valencia, Spain d Servicio de Oftalmología, Complejo Hospitalario de...

AIM The aim of this in vitro study was to evaluate the surface roughness and hardness of both unbleached and bleached (opalescence; 10% carbamide peroxide) human enamel brushed with water (without dentifrice), fluoride abrasive dentifrice (Colgate Total) and whitening dentifrice (Natural White). MATERIALS AND METHODS Human enamel samples were obtained from third molars and randomly divided in...

BACKGROUND The tooth whitening substances for extrinsic use that are available in Brazil contain hydrogen peroxide or carbamide peroxide. Several studies have attributed the appearance of lesions in the enamel morphology, including hypersensitivity, to these substances. Such lesions justify fluoride therapy and application of infrared lasers, among other procedures. However, there is no consens...

Assessment of bone quality is an emerging solution for quantifying the effects of bone pathology or treatment. Perhaps one of the most important parameters characterising bone quality is the toughness behaviour of bone. Particularly, fracture toughness, is becoming a popular means for evaluating bone quality. The method is moving from a single value approach that models bone as a linear-elastic...