The elapsed time prior to the placement of bonded restoration possibly affects the bond integrity of resin composite to bleached tooth. The purpose of this study was to evaluate the effect of elapsed time after tooth bleaching on microleakage of resin composite restorations with different adhesive systems. Seventy-two extracted sound human premolars were randomly divided into 6 groups of 12 tee...

abstract background: cervical cancer is the most common female genital tract malignancy and is the major cause of death from gynecologic cancer worldwide. the majority of cervical cancers develop through a series of gradual, precancerous lesions. screening asymptomatic women with regular pap smears allows diagnosis of the readily treatable preinvasive phase. we performed this study to determine...

BACKGROUND The purpose of this analysis was to identify pathologic risk factors for recurrence and patterns of recurrence in patients with International Federation of Gynecology and Obstetrics Stage IB and IIA cervical carcinoma and negative pelvic lymph nodes after radical hysterectomy. METHODS During the period 1982-1991, 271 clinically staged patients with Stage IB or IIA cervical carcinom...

Improvements in the acceptability and effectiveness of the IUD involve developments in design of its shape such as the Dalkon Shield (Davis, 1971), or the addition ofa copper-releasing wire to the inert plastic material of the device, which was first reported by Zipper, Medel & Prager (1968). The copper could act at any stage in the reproductive process. It could interfere with sperm transport,...

We study the lags with which new technologies are adopted across countries, and their penetration rates once they are adopted. Using data from the last two centuries, we estimate both the extensive and the intensive margins of technology adoption. We document two new facts: there has been convergence in adoption lags between rich and poor countries, while there has been divergence in penetratio...

Pentesting is becoming an important activity even for smaller companies. One of the most important economic pressures is the cost of such tests. In order to automate pentests, tools such as Metasploit can be used. Post-exploitation activities can, however, not be automated easily. Our contribution is to extend Meterpreter-scripts so that postexploitation can be scripted. Moreover, using a multi...

BACKGROUND The selection, neurodiagnostic evaluation, and surgical management of patients with cervical ossification of the posterior longitudinal ligament (OPLL) remain controversial. Whether for prophylaxis or treatment, the decision to perform anterior vs. posterior vs. circumferential cervical OPLL surgery is complex. MR AND CT DOCUMENTATION OF OPLL Together, MR and CT cervical studies be...

When connected in small amounts, the impact of distributed generation (DG) on distribution system stability will be negligible. However, if its penetration level becomes higher, distributed generation may start to influence the dynamic behavior of the system as a whole. This paper presents a mathematical representation of a solid oxide fuel cell plant that is suitable for use in distribution sy...

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