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 …

Bone replacement with porous hydroxyapatite blocks and titanium screw implants: an experimental study

H Schliephake, FW Neukam - Journal of oral and maxillofacial surgery, 1991 - Elsevier
The aim of this experimental study was to examine whether porous hydroxyapatite (HA)
blocks, fixed with titanium screw implants, could be used as a bone graft substitute. Twenty …

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 …

Porous block hydroxyapatite in orthognathic surgery

HM Rosen, JL Ackerman - The Angle Orthodontist, 1991 - meridian.allenpress.com
Seventy-six nonconsecutive patients undergoing orthognathic surgery, in whom blocks of
porous hydroxyapatite were implanted into osteotomy gaps in lieu of autogenous bone …

Maxillary sinus augmentation using an engineered porous hydroxyapatite: a clinical, histological, and transmission electron microscopy study in man

C Mangano, A Scarano, G Iezzi… - Journal of Oral …, 2006 - meridian.allenpress.com
Porous hydroxyapatite (HA) is a calcium-phosphate–based material that is biocompatible,
nonimmunological, and osteoconductive, and has a macroporosity of about 200 to 800 μm …

Porous hydroxyapatite as a bone graft substitute in maxillary augmentation: An histometric study

R Holmes, H Hagler - Journal of Cranio-Maxillofacial Surgery, 1988 - Elsevier
A porous HA matrix, which is available for clinical use, was compared with split rib autografts
after maxillary contour augmentation in 17 dogs. Specimens were retrieved at 3, 6, 12, 24 …

Influence of hydroxyapatite granule size, porosity, and crystallinity on tissue reaction in vivo. Part A: synthesis, characterization of the materials, and SEM analysis

JE Maté Sánchez de Val… - Clinical Oral …, 2016 - Wiley Online Library
Objective The aim of this study was the synthesis and analysis of the tissue reaction to three
different Hydroxyapatite (HA)‐based bone substitute materials differing only in granule size …

Bone augmentation osteogenesis using hydroxyapatite and β-tricalcium phosphate blocks

R Fujita, A Yokoyama, T Kawasaki, T Kohgo - Journal of Oral and …, 2003 - Elsevier
PURPOSE:: In this study, we investigated the differences in osteogenesis and resorption
between hydroxyapatite (HA) and β-tricalcium phosphate (β-TCP) implanted on the parietal …

Calvarial reconstruction in baboons with porous hydroxyapatite

U Ripamonti - Journal of Craniofacial Surgery, 1992 - journals.lww.com
The growth of bone into porous hydroxyapatite implanted in nonhealing calvarial defects of
adult baboons is evaluated. Seventy-two anterior and posterior calvarial defects, 25 mm in …

Comparative push‐out test of dense HA implants and HA‐coated implants: Findings in a canine study

M Ogiso, M Yamamura, PT Kuo… - … Research: An Official …, 1998 - Wiley Online Library
Two types of hydroxyapatite (HA) implants have been developed: an HA‐coated implant and
a dense HA implant. For a longer in situ life span, the HA implant must remain chemically …