Bone quantity and quality in past populations

Efficacy of Platelet-Rich Fibrin Combined with Autogenous Bone Graft in the Quality and Quantity of Maxillary Alveolar Cleft Reconstruction

Introduction: The aim of this study was to evaluate the effect of platelet-rich fibrin (PRF) on the quality and quantity of bone formation in unilateral maxillary alveolar cleft reconstruction using cone beam computed tomography.   Materials and Methods: This study was conducted on 10 non-syndromic patients with unilateral cleft lip and palate within the age group of 9-12 years. The study popul...

Quality and Quantity Competition

Between Quality and Quantity:

Rockefeller Archive Center Research Reports Online is a periodic publication of the Rockefeller Archive Center, a division of The Rockefeller University. Edited by Ken Rose and Erwin Levold under the general direction of the Center's director, Darwin H. Stapleton, Research Reports Online is intended to foster the network of scholarship in the history of philanthropy and to highlight the diverse...

Cool data: quantity AND quality.

The use of cryo-techniques in macromolecular crystallography has increased enormously over the last eight years and has become a vital part of modern X-ray data-collection methods. This paper presents some reasons for the rise in popularity of cryo-techniques and a brief outline of the basic methods, followed by a detailed discussion of factors to be considered when trying to optimize both the ...

Cataract surgery--quantity and quality.

Editorials Cataract surgery—quantity and quality In this issue, we present the initial results from the second national survey of cataract surgery, which was a collabora-tive endeavour supported by the Department of Health, the Royal College of Ophthalmologists, the College of Optometrists, and the Royal College of Nursing. Great credit is due to the authors for what was clearly an enormous tas...