We investigated how spatial pattern, background, and dynamic range affect perceived gloss in brightly lit real scenes. Observers viewed spherical objects against uniform backgrounds. There were three possible objects. Two were black matte spheres with circular matte white dots painted on them (matte-dot spheres). The third sphere was painted glossy black (glossy black sphere). Backgrounds were ...

This in vitro study evaluated the color stability, gloss, and surface roughness (Ra) of four indirect composites. Enamel and dentin shades of Radica, Sculpture Plus, Belleglass-NG, and Gradia Indirect were evaluated for color stability. Specimens were stored in a staining solution (coffee) and assessed every 3 days for a period of 21 days, after which color difference (∆E*) was calculated. Only...

osting by E ress: 7 A 4832999 tmail.com Abstract Background: Thyroglossal duct cysts are the most common cause of midline congenital cyst formation in the neck that may present at any age. Classically, it presents as an anterior midline neck swelling that moves with deglutition and protrusion of the tongue. Occasionally, thyroglossal duct cyst presents in atypical manner either clinically or ra...