The objective of our study was to determine the frequency use skin lightening/whitening products, level self-esteem among university students, and any association between them. A cross-sectional conducted at Jinnah Medical Dental College University Karachi over a period 12 months on convenient sample 499 students both genders. Self-esteem measured using Rosenberg Self Esteem Scale, whitening pr...

Effects of constant temperature and humidity testing on the adhesive properties phosphate-anodized AZ91D magnesium alloy were evaluated to produce multiple materials for lightening fabrication these materials. Phosphate-anodized alloy, after immersion in dilute nitric acid solution, maintained strong strength even testing. These findings suggest that anodization film is bonded chemically by sol...

Background: Acne vulgaris is the most common condition encountered in dermatologic practice. Recent literature suggests racial and ethnic difference in the sequelae of acne complications with post acne hyperpigmentation topping the list. Therapeutic goals include promoting degradation of melanosomes and inhibiting their formation. Thus it is a challenge to treat patients of darker skin and find...

The design of products with elastic properties is a paradigm for engineers because the material define correct functionality product. Fused filament fabrication (FFF) allows printing in thermoplastic polyurethanes (TPU). Therefore, it offers ability to freedom forms that this technology and also greater variation than conventional process. internal structures thickness can be used facilitate di...

From the Department of Dermatology, Kaohsiung Medical University and Armed Forces Tso-Ying Hospital Accepted for publication: August 23, 2004 Reprint requests: Gwo-Shing Chen, M.D., Department of Dermatology, Kaohsiung Medical University. No.100, Shih-Chuan 1st Rd., Kaohsiung, Taiwan, R.O.C. TEL: 886-7-3208214 FAX: 886-7-3216580 Hemochromatosis is a disorder of chronic iron overload associated ...

The effect of various agents that cause metaphase arrest in dividing cells was studied on the rapid reversible darkening of frog skin under the influence of melanocyte-stimulating hormone (MSH). Darkening is due to dispersion of melanin granules in melanocytes and is thought to be accompanied by a gel-to-sol cytoplasmic transformation. After subsequent washing the skin lightens, with aggregatio...

OBJECTIVE The goal of this study was to evaluate the enamel whitening effects of 2 new test formulations, one of which was a rinse, and the other a whitening strip. MATERIALS AND METHODS Forty enamel chips were prepared from 20 healthy extracted teeth (2 from each tooth). After pre-staining and colorimetry to measure L* and b* values, 20 matched samples were immersed in either test or control...