Publications by authors named "M Rayyan"

Background: Translucency of dental ceramics have great impact on the esthetic and success of dental restorations. The goal of the study is to investigate the effect of the aging process on the translucency of zirconia-reinforced lithium silicate ceramic material, and lithium disilicate ceramic material made using CAD/CAM and press processes.

Methods: Thirty disc-shaped specimens with 0.

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  • The study aims to compare the fracture resistance of canine teeth restored with TRINIA Endocrowns using three different preparation depths (2 mm, 3 mm, and 4 mm).
  • Thirty extracted maxillary canines were endodontically treated and divided into three groups, each receiving endocrowns bonded using a dual-cure resin cement.
  • Results indicated that endocrowns with 2 mm and 3 mm preparations exhibited significantly higher fracture resistance compared to the 4 mm preparation, with the 2 mm version being mostly reparable after failure.
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  • Herlyn-Werner-Wunderlich (HWW) syndrome is a rare condition some girls are born with that affects their reproductive system and kidneys.
  • A 19-year-old girl with this syndrome had stomach pain and problems with her vagina, and doctors found she had two of some organs and one kidney missing.
  • After surgery to fix her health problems, she was able to get pregnant and had a healthy baby, showing that early treatment is very important for women with HWW syndrome.
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Introduction: En-plaque meningioma (EPM) presents preoperative diagnostic challenges due to its atypical radiologic features. This case report describes the preoperative diagnostic challenges in identifying EPM that affected its operative management.

Case Report: A 58-year-old female patient presented to the emergency department with decreased consciousness and a history of a fall on the head two months earlier.

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Preterm birth, defined as birth before the gestational age of 37 weeks, affects 11% of the newborns worldwide. While extensive research has focused on the immediate complications associated with prematurity, emerging evidence suggests a link between prematurity and the development of kidney disease later in life. It has been demonstrated that the normal course of kidney development is interrupted in infants born prematurely, causing an overall decrease in functional nephrons.

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