Long-term follow-up of the use of nonporous hydroxyapatite for augmentation of the alveolar ridge

Deeb, Mohamed El; Tompach, Paul C.; Morstad, A.T.; Kwon, Paul H.

doi:10.1016/0278-2391(91)90215-8

Cited by 17 publications

(6 citation statements)

References 9 publications

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“…In a study by Mercier et al, 28 dense HA was considered a predictable and stable biomaterial for ridge height preservation after treatment of 678 ridges with a follow‐up ∼5 years. El Deeb et al 29 also reported an improvement in dentures' retention and stability 5 years after ridge augmentation with HA. To the best of our knowledge, there are no studies in the literature on implant placement in sites grafted with HA.…”

Section: Discussionmentioning

confidence: 94%

Dense Hydroxyapatite Inserted Into Postextraction Sockets: A Histologic and Histomorphometric 20‐Year Case Report

Mangano¹,

Piattelli

Perrotti

2008

Journal of Periodontology

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Section: Discussionmentioning

confidence: 94%

Dense Hydroxyapatite Inserted Into Postextraction Sockets: A Histologic and Histomorphometric 20‐Year Case Report

Mangano¹,

Piattelli

Perrotti

2008

Journal of Periodontology

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“…Several long-term studies have demonstrated that HA can be used in the treatment of atrophic ridges as a predictable and stable biomaterial [23,24,25]. However, the success of HA is limited primarily due to its slow degradation rate [26].…”

Section: Discussionmentioning

confidence: 99%

Tomographic and histometric analysis of autogenous bone block and synthetic hydroxyapatite block grafts without rigid fixation on rabbit calvaria

Bae

Park

Shin

et al. 2014

J Periodontal Implant Sci

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PurposeThe preferred material for bone augmentation beyond the envelope of skeletal bone is the bone block graft, due to its dimensional stability. We evaluated the necessity of rigid fixation for the bone block graft, and compared the bone regeneration and volume maintenance associated with grafting using a synthetic hydroxyapatite block (HAB) and an autogenous bone block (ABB) without rigid fixation on rabbit calvaria over two different periods.MethodsCylinder-shaped synthetic HAB and ABB were positioned without fixation on the rabbit calvarium (n=16). The animals were sacrificed at 4 or 8 weeks postoperatively, and the grafted materials were analyzed at each healing period using microcomputed tomography and histologic evaluation.ResultsIntegration of the graft and the recipient bed was observed in all specimens, although minor dislocation of the graft materials from the original position was evident in some specimens (six ABB and ten HAB samples). A tendency toward progressive bone resorption was observed in the grafted ABB but not in the grafted HAB, which maintained an intact appearance. In the HAB group, the area of new bone increased between 4 and 8 weeks postoperatively, but the difference was not statistically significant.ConclusionsThe nonfixed HAB was successfully integrated into the recipient bed after both healing periods in the rabbit calvaria. In spite of limited bone formation activity in comparison to ABB, HAB may be a favorable substitute osteoconductive bone material.Graphical Abstract

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“…The pressure P was imported to the y-axis in the recorder and the crack-mouth opening displacement obtained by the electronic extensometer was imported to the x-axis in the recorder. 3 We placed the test specimen, put the crack on the front though the center in the span and maintained the supporting roll and pressure head parallel with the interface of the test specimen. 4 We installed the electronic extensometer.…”

Section: Procedures Of the Experimentsmentioning

confidence: 99%

“…Bioactive ceramics-hydroxyapatite (HA), whose physical and chemical characteristics are similar to inorganic salts in human bone tissues, has an excellent affinity with bone tissues, fuses well with host bone tissues after being implanted in damaged bones and quickly transforms into hydroxyapatite, a new bone mixture (1)(2)(3)(4). Since the middle of the 1980s, it has been widely applied in clinical practice, such as artificial tooth root, artificial bone, artificial nasal cartilage, and bone fillers and so forth (5)(6)(7)(8)(9).…”

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confidence: 99%

Statistical Analysis of the Behavior of Fracture Toughness of Compound Bioceramic Artificial Bone

Ren-ping

2011

Artificial Organs

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We show the manufacturing procedure of the test specimen of the compound bioceramic artificial bone, conduct experiments to measure its fracture toughness, and conclude that the experiment data conform to the two-parameter Weibull distribution with scale parameter β = 0.527369 and form parameter α = 5.24317. Furthermore, compound bioceramic artificial bone is of a high level of crack sensitivity and its data for the fracture toughness is has a high dispersion. We also analyze the evolution of the confidence level of the reliability of its fracture toughness. With the increase of the confidence level γ, the crack sensitivity increases, but the median, the discreteness, and the confidence intervals decrease. The size of the test specimen influences the experiment for the fracture toughness, the measured values and their dispersion, and there exists the conversion between size of the test specimen and that of the real device. We extend the results to introduce the statistic model of the size effect of the fracture toughness.

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Long-term follow-up of the use of nonporous hydroxyapatite for augmentation of the alveolar ridge

Cited by 17 publications

References 9 publications

Dense Hydroxyapatite Inserted Into Postextraction Sockets: A Histologic and Histomorphometric 20‐Year Case Report

Dense Hydroxyapatite Inserted Into Postextraction Sockets: A Histologic and Histomorphometric 20‐Year Case Report

Tomographic and histometric analysis of autogenous bone block and synthetic hydroxyapatite block grafts without rigid fixation on rabbit calvaria

Statistical Analysis of the Behavior of Fracture Toughness of Compound Bioceramic Artificial Bone

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