Two Human Hydroxyapatite‐Coated Dental Implants Retrieved After a 14‐Year Loading Period: A Histologic and Histomorphometric Case Report

Iezzi, Giovanna; Scarano, Antonio; Petrone, Giovanna; Piattelli, Adriano

doi:10.1902/jop.2007.060271

Cited by 33 publications

(19 citation statements)

References 30 publications

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“…HA coating as a system of fixation of hip implants was found to work well in the short to medium term (eight years [505], 10 to 15.5 years [506], 15 years [507], 16 years [508], 17 years [509], 19 years [510] and 15 to 21 years [511]). Similar data for HA-coated dental implants are also available [512,513]. Even longer-term clinical results are awaited with great interest.…”

Section: Biomedical Applicationsmentioning

confidence: 88%

Calcium Orthophosphates as Bioceramics: State of the Art

Dorozhkin¹

2010

JFB

214

112

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In the late 1960s, much interest was raised in regard to biomedical applications of various ceramic materials. A little bit later, such materials were named bioceramics. This review is limited to bioceramics prepared from calcium orthophosphates only, which belong to the categories of bioactive and bioresorbable compounds. There have been a number of important advances in this field during the past 30–40 years. Namely, by structural and compositional control, it became possible to choose whether calcium orthophosphate bioceramics were biologically stable once incorporated within the skeletal structure or whether they were resorbed over time. At the turn of the millennium, a new concept of calcium orthophosphate bioceramics—which is able to promote regeneration of bones—was developed. Presently, calcium orthophosphate bioceramics are available in the form of particulates, blocks, cements, coatings, customized designs for specific applications and as injectable composites in a polymer carrier. Current biomedical applications include artificial replacements for hips, knees, teeth, tendons and ligaments, as well as repair for periodontal disease, maxillofacial reconstruction, augmentation and stabilization of the jawbone, spinal fusion and bone fillers after tumor surgery. Exploratory studies demonstrate potential applications of calcium orthophosphate bioceramics as scaffolds, drug delivery systems, as well as carriers of growth factors, bioactive peptides and/or various types of cells for tissue engineering purposes.

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Section: Biomedical Applicationsmentioning

confidence: 88%

Calcium Orthophosphates as Bioceramics: State of the Art

Dorozhkin¹

2010

JFB

214

112

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“…Separation of the HA coating from the titanium surface has been documented on HA-coated blade-form implants (Takeshita et al 1996) and delamination of the HA coatings after 16 weeks has been reported in implants placed in rabbits tibias (Lin et al 1998). In contrast, human studies with HA-coated root-form dental implants retrieved after up to 14 years in function have reported that HA coatings were in contact with mature bone and that the HA coating was not susceptible to degradation or dissolution under long-term function (Proussaefs et al 2001;Lezzi et al 2007;Coelho et al 2010). It is possible that the design of LTPD implants as well as the clinical technique used in their placement may play an important role in the performance of the HA-coated implants documented in this study.…”

Section: The Effect Of An Ha Coatingmentioning

confidence: 99%

The effect of opposing structures, natural teeth vs. implants on crestal bone levels surrounding single‐tooth implants

Urdaneta

Leary

Panetta³

et al. 2012

Clinical Oral Implants Res

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“…HA coating as a system of fixation of hip implants was found to work well in the short to medium term ( [567]. Similar data for HA-coated dental implants are also available [568,569]. Even longer-term clinical results are awaited with a great interest.…”

Section: Coatingsmentioning

confidence: 84%

Untitled

2011

BIO

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In the late 1960's, a strong interest was raised in biomedical applications of ceramic materials (named bioceramics a little bit later). Bioceramics was initially used as reasonable alternatives to metals in order to increase their biocompatibility. However, within a short period, it has grown into a diverse class of biomaterials, presently including three essential types: relatively bioinert, bioactive (or surface reactive) and bioresorbable bioceramics. This review is limited to bioceramics prepared from calcium orthophosphates only, which belong to the categories of bioactive and bioresorbable compounds. There have been a number of important advances in this field during the past 30 -40 years. The research was shifted from an initial study on the develop-ment of bioinert bioceramics towards bioactive and bioresorbable bioceramics, and these different types of calcium orthophosphate bioceramics can be tuned through the structural and compositional control. At the turn of the millennium, a new concept of calcium orthophosphate bioceramics has been developed to promote a regeneration of bones. Current biomedical applications of calcium orthophosphate bioceramics include artificial replacements for hips, knees, teeth, tendons and ligaments, as well as repair for periodontal disease, maxillofacial reconstruction, augmenttation and stabilization of the jawbone, spinal fusion and bone fillers after tumor surgery. Potential future applications of calcium orthophosphate bioceramics are demonstrated in drug delivery systems, effective carriers of growth factors, bioactive peptides and/or various types of cells for tissue engineering purposes.

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Two Human Hydroxyapatite‐Coated Dental Implants Retrieved After a 14‐Year Loading Period: A Histologic and Histomorphometric Case Report

Abstract: No acute or chronic inflammatory cell infiltrate was present in the peri-implant tissues. No signs of coating infection, fatigue, or failure were observed in two specimens. The HA coating may not be susceptible to degradation or dissolution under long-term function.

Cited by 33 publications

References 30 publications

Calcium Orthophosphates as Bioceramics: State of the Art

Calcium Orthophosphates as Bioceramics: State of the Art

The effect of opposing structures, natural teeth vs. implants on crestal bone levels surrounding single‐tooth implants

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