BBC: Defining the most 'normal' shape of a human skull.

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Date: 22 November 2013 Source: BBC News Article: Defining the most ‘normal’ shape of a human skull Reconstructive surgery for people born with a misshapen skull is one of medicine’s most complicated challenges. Part of the problem for surgeons is defining what a normal head actually looks like.  A team of Liverpool-based surgeons, and artists,…

Flat Fold and Cup-Shaped N95 Filtering Facepiece Respirator Face Seal Area and Pressure Determinations: A Stereophotogrammetry Study. G Niezgoda, JH Kim, RJ Roberge, SM Benson.

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Date: May 2013. Source: Journal of Occupational and Environmental Hygiene, Volume 10, Issue 8, pp 419-424. Abstract: Twenty subjects underwent quantitative respirator fit testing with two styles (flat fold, cup-shaped) of N95 filtering facepiece respirators (N95 FFRs). Passing a fit test was followed by stereophotogrammetry to determine the face seal area and computation of seal…

Computation of an average cranial shape of three to twelve months old infants using 3D stereophotogrammetry. T Maal, L Verhamme, E van Lindert, W Borstlap, S Berge.

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Date: June 28, 2012. Source: 26th International Congress of Computer Assisted Radiology 2012 (CARS) in Pisa, Italy. Purpose: The goal of this study was to create an average cranial shape using an automated process for a control population. This model includes the variation of growth and allows for an easy comparison between patient and average…

Analysis of Forces Generated by N95 Filtering Facepiece Respirator Tethering Devices: A Pilot Study. R Roberge, G Niezgoda, S Benson

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Date: June 2012. Source: Journal of Occupational and Environmental Hygiene; Volume 9, Issue 8, pp 517-23. Abstract: The restorative forces of elasticized tethering devices on N95 filtering facepiece respirators (N95 FFR), that occur in response to the application of a load (applied force) during donning, create the requisite pressure to effectively seal the respirator against…

Evaluation of direct and indirect additive manufacture of maxillofacial prostheses. D Eggbeer, R Bibb, P Evans, L Ji

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Date: April 2012. Source: Journal Of Engineering in Medicine, vol. 226 no. 9 718-728. Abstract: The efficacy of computer-aided technologies in the design and manufacture of maxillofacial prostheses has not been fully proven. This paper presents research into the evaluation of direct and indirect additive manufacture of a maxillofacial prosthesis against conventional laboratory-based techniques. An…

Three-dimensional stereophotogrammetrical analysis of peristomal fixation of adhesive base plates during hands-free speech among laryngectomised patients related to tracheostoma volumes. R Dirven, Y Wouters, R Vreeken, TJJ Maal, HAM Marres.

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Date: April 2012. Source: Clinical Otolaryngology; Volume 37, pp 124–129. Objective: This study evaluates the relation between stoma volumes by means of objective three-dimensional measurements of laryngectomised individuals and peristomal fixation of adhesive baseplates during hands-free speech. Design: A three-dimensional stereophotogrammetrical image was captured of the tracheostoma and its surrounding tissue for each participant. The…