Christian Brenes: CAD/CAM MATERIALS AND TECHNOLOGIES FOR ALL CERAMIC RESTORATIONS: A REVIEW OF THE LITERATURE (Under the direction of Ibrahim Duqum) Objectives: Evaluate the marginal fit of CAD/CAM all ceramic crowns made from lithium disilicate and zirconia using two different fabrication protocols (model and model-less). METHODS: Forty anterior all ceramic restorations (20 lithium disilicate,...

OBJECTIVES The aim of this in vitro study is to evaluate the marginal and internal fit of zirconia core crowns manufactured following different digital and traditional workflows. METHODS A 6° taper shoulder prepared abutment tooth was used to produce 20 zirconia core crowns using four different scanning techniques: scanned directly with the extraoral lab scanner, scanned with intraoral scanne...

This study assessed whether there are differences in marginal fit between laser-fusion and conventional techniques to produce fixed dental prostheses (FDPs). A master steel die with 2 abutments was produced to receive a posterior 4-unit FDPs and single copings. These experimental models were divided into three groups (n = 20/group) manufactured: group 1, Ni-Cr alloy, with a lost-wax casting tec...

BACKGROUND Different CAD/CAM machines' generation may impact the restoration overall quality. The present study evaluated the marginal fit of CAD/CAM restorations manufactured with different generations of CEREC milling unit systems. MATERIAL AND METHODS Sixteen typodont teeth were divided into two groups (n=8) according to the machine's generation assigned. These are control group (G1): Cere...

AIM Relating the marginal fit of the castings, to the accuracy of the impression produced using laminated hydrocolloid impression technique, alginate and double-mixed polyvinyl siloxane. Basic objective of the study is to check the feasibility of the use of laminated hydrocolloid impression technique in the fixed partial denture. MATERIALS AND METHODS The precisely machined metal die was desi...

It has recently been widely argued that all consciousness is perceptual, including the conscious experience of action. This paper argues that there can be a conscious component of the experience of action that is not perceptual. The argument is based on Searle’s concept of “direction of fit” and the conditions of satisfaction of an intention. The conditions of satisfaction of an intention diffe...

February 19, 2015 Version 1.4.7 Date 2013-03-04 Author Peter Frommolt Maintainer Peter Frommolt Title Inferences for biand trifactorial trial designs Depends mvtnorm,multcomp,lattice,graphics,methods,Rcpp (>= 0.8.8) LinkingTo Rcpp Description This package makes global and multiple inferences for given biand trifactorial clinical trial designs using bootstrap method...

BACKGROUND Graphical techniques can provide visually compelling insights into complex data patterns. In this paper we present a type of lasagne plot showing changes in categorical variables for participants measured at regular intervals over time and propose statistical models to estimate distributions of marginal and transitional probabilities. METHODS The plot uses stacked bars to show the ...