Previous research conducted in the laboratory pointed out several hardwood species which were either superior, comparable, marginal, or unsuitable for manufacturing cement-excelsior board (CEB). In this study, forty full-sized boards were manufactured in a commercial production facility with the following species: yellow-poplar, sweetgum, southern pine, and sweetgum/southem pine mixture. The pr...

Abstract The paper presents research focused on behaviour of cement-bonded particleboards with modified composition during sudden changes temperature and humidity. Four types boards were made—one control three ones. Finely ground limestone was used as a modifying component in binder. Secondary wood particles made from crushing cuttings chips substituent. Two sets test specimens (1 set = 6 speci...

OBJECTIVE To evaluate the efficacy of a newly developed biomaterial, hydroxyapatite cement, for use in frontal sinus and anterior craniofacial skeletal reconstruction. DESIGN A nonrandomized patient cohort that was compared with historical controls of standard treatment with methyl methacrylate implants. SETTING Craniofacial reconstructive surgery services at 3 referral health care centers....