statement of problem: targis restorations provide good esthetic and clinical success; however, improving marginal accuracy requires further investigations. purpose: the aim of this was to study evaluate the effect of relining on the marginal accuracy of ceromer crowns. material and methods: one ivorine maxillary central incisor was prepared for targis crown. 10 acrylic models were duplicated fr...

To ascertain whether the , ·elocity of Ice Stream B, \\'est Antarctica, may be controlled by the stres e in its marginal shear zones \ the .. Snake" and the .. Dragon'· ), we undertook a determination of the marginal hear stress in the Dragon near Camp up B by using ice itself as a stress meter. The ob erved marginal shear strain rate of0.14 a I is used to calculate the marginal shear stress fr...

STATEMENT OF PROBLEM Three main factors which determine the success of an All-ceramic restoration are esthetic value, resistance to fracture and third being the marginal fit. Marginal fit and internal adaptation are crucial factors in increasing the longevity of the restoration. Newer and economical CAD CAM systems have been introduced claiming better marginal fit and adaptation of All ceramic ...

UNLABELLED Microleakage can be related to margin misfit. Also, traditional microleakage techniques are time-consuming. This study evaluated the existence of correlation between in vitro margin fit and a new microleakage technique for complete crowns cemented with 3 different luting agents. Thirty human premolars were prepared for full-coverage crowns with a convergence angle of 6 degrees, chamf...

background. this study aimed to evaluate whether the parents’ knowledge about the adverse effects of oral habits and dentoskeletal discrepancies would improve by an educational pamphlet. methods. a parallel-group randomized clinical trial was conducted on parents in kindergartens of shiraz, iran, 2013. the parents completed a designed questionnaire to determine the pre-intervention score. the s...

Abstract Aim and Objective The main aim of this study was to evaluate the effect three different types pattern materials on vertical marginal accuracy complete cast crown. Material Methods Three groups 20 specimens each were made based materials, that is, blue inlay wax, autopolymerizing acrylic resin, light cure resin. Castings examined using stereo microscope for discrepancy. Results result s...