Hypoxia regulates VEGF expression and cellular proliferation by osteoblasts in vitro

DS Steinbrech, BJ Mehrara, PB Saadeh… - Plastic and …, 1999 - journals.lww.com
Numerous studies have demonstrated the critical role of angiogenesis for successful
osteogenesis during endochondral ossification and fracture repair. Vascular endothelial …

Long-term bone ingrowth and residual microhardness of porous block hydroxyapatite implants in humans

RA Ayers, SJ Simske, CR Nunes, LM Wolford - Journal of oral and …, 1998 - Elsevier
Purpose: This study examined the ingrowth of bone into coralline, porous hydroxyapatite
(HA) block (Interpore 200) over long periods after orthognathic surgery and analyzed their …

Custom porous polyethylene implants for large-scale pediatric skull reconstruction: early outcomes

AY Lin, CR Kinsella Jr, SA Rottgers… - Journal of …, 2012 - journals.lww.com
Background and Purpose Some of the most problematic craniofacial injuries in pediatric
plastic surgery are large calvarial defects in children who have passed the age of maximal …

Non-uniform porosity tissue implant

R Ayers - US Patent App. 09/957,829, 2002 - Google Patents
The present invention is generally directed to a method for the production of tissue implants
and prosthetics, including but not limited to orthopedic implants and prosthetics which have …

Cranioplasty with the Medpor porous polyethylene Flexblock implant

WT Couldwell, TC Chen, MH Weiss, T Fukushima… - Journal of …, 1994 - thejns.org
✓ The authors describe the use of a porous polyethylene Flexblock implant for cosmetic
cranioplasty. The implant may be used to cover any small-or medium-sized (< 8 cm) cranial …

Non-uniform porosity tissue implant

R Ayers - US Patent App. 10/199,139, 2003 - Google Patents
The present invention is generally directed to a method for the production of tissue implants
and prosthetics, including but not limited to orthopedic implants and prosthetics which have …

Measurements and micro-mechanical modelling of the response of sintered titanium foams

P Siegkas, N Petrinic, VL Tagarielli - Journal of the mechanical behavior of …, 2016 - Elsevier
Titanium foams of relative density in the range 0.35–0.50 are tested in quasi-static
compression, tension and shear. The response is ductile in compression but brittle, and …

In vitro comparison of parameters affecting the fixation strength of sagittal split osteotomies

DH Kohn, EM Richmond, ER Dootz… - Journal of oral and …, 1995 - Elsevier
Purpose: The goal of this study was to determine how different parameters affect the
bending strength of human cadaver mandibles that have undergone a sagittal split …

Quantification of bone ingrowth into porous block hydroxyapatite in humans

RA Ayers, LM Wolford, TA Bateman… - … Research: An Official …, 1999 - Wiley Online Library
This study sought to quantify bone ingrowth from a single bone–implant surface into porous
block hydroxyapatite used in maxillofacial applications. Seventeen maxillary hydroxyapatite …

The application of self-propagating high-temperature synthesis of engineered porous composite biomedical materials

R Ayers, D Burkes, G Gottoli, HC Yi… - Materials and …, 2007 - Taylor & Francis
The term “self-propagating high-temperature synthesis”(SHS), or “combustion synthesis”,
refers to an exothermic chemical reaction process that utilizes the heat generated by the …