BoneCalcium phosphate cementsBioactiveResinSelf-adhesiveTricalcium phosphateCraniofacialCoatingsConventionalStrontiumInjectableReconstructionDefectsPorousPhosphate ionsFormationImplantInjectionMethodsMonomerDentalConsistencyPowderEnamelFluorideStemCompoundsProfilesSodiumPropertiesMineralPatientsRecentEffectCeramicRepairGoodTimeShowsTotalSubjectTypeMain
Bone19
- The knitted fiber-mesh was effective in improving load-bearing behavior of a calcium phosphate cement for potential structural repair of bone defects. (nist.gov)
- Dental enamel mineral (as well as dentin and bone) is made of hydroxylapatite with foreign ions incorporated in the structure. (wikipedia.org)
- Bone is composed mainly of ~50 nm long crystals of very dense calcium salts having the hardness of marble (mostly hydroxyapatite, ~45% of bone mass) held together by bone matrix containing large numbers of extremely strong ~200 nm-wide collagenous fibers arranged in a dense mat together with a mucopolysaccharide cement sometimes called "ground substance. (nanomedicine.com)
- Hydroxyapatite cement is a calcium phosphate putty, approved by the US Food and Drug Administration, that solidifies in 20 minutes and gains bone-like stability after 4 to 6 hours. (mssm.edu)
- The predescribed shuttering technique was used to reconstruct the mandible in its original shape with bone cement. (bvsalud.org)
- Interest in calcium phosphate cements as materials for the restoration and treatment of bone tissue defects is still high. (encyclopedia.pub)
- Bone tissue is a reservoir of calcium and phosphate ions in the form of hydroxyapatite, so it plays an important role maintaining the proper calcium levels, along with in other organs [ 5 ] [ 6 ] . (encyclopedia.pub)
- Calcium phosphate cements are similar in composition to the mineral component of bone tissue. (encyclopedia.pub)
- Blocks and granules made of pre-hardened cement are a promising type of skeleton for the restoration of bone defects. (encyclopedia.pub)
- The functionalization of calcium phosphate cements is of great clinical interest for the treatment or prevention of various diseases of bone tissue. (encyclopedia.pub)
- In the case of bone repair, calcium phosphate cements with good osteoconductivity properties have been successfully applied in bone defect filling and repair, but poor handling properties, insufficient viscous flow and unmatched degradation rate are still problems that remain unsolved. (brighton.ac.uk)
- 11 Calcium phosphate-coated implants have been described in the literature which demonstrate early direct bone attachment to the hydroxyapatite surface and this occursas quickly as one month post-operatively. (com.pk)
- The hip socket (into which the ball fits) is replaced with a titanium shell with an artificial liner made of ceramic or hardwearing polyethylene (which sometimes can be fixed directly with bone cement). (gilesstafford.com)
- Cementless' or 'uncemented' stems do not require bone cement in order to fix them in place - the surface of the implant is instead covered in a special (hydroxyapatite) porous coating which helps to fix the prosthesis securely in position. (gilesstafford.com)
- The stem is fixed in position inside using bone cement, which holds it securely in position inside the femur. (gilesstafford.com)
- All THR designs are secured to the patients' host bone by either cemented or uncemented means. (gilesstafford.com)
- The problem with cemented components is that over time the cement may become damaged by repetitive loading, or work its way loose from the surrounding bone. (gilesstafford.com)
- To improve implant survival through accelerated early bone remodeling during total hip arthroplasty (THA), hydroxyapatite (HA) is widely used as a bioactive coating, which is believed to enhance initial fixation by osseointegration. (biomedcentral.com)
- We aimed to investigate the relationship between stem insertion alignment and postoperative bone mineral density (BMD) changes in patients with full hydroxyapatite-coated (HA) compaction short stem and short tapered-wedge stem. (biomedcentral.com)
Calcium phosphate cements4
- Lukina Y, Safronova T, Smolentsev D, Toshev O. Calcium Phosphate Cements as Carriers of Functional Substances. (encyclopedia.pub)
- Calcium Phosphate Cements as Carriers of Functional Substances" Encyclopedia , https://encyclopedia.pub/entry/45418 (accessed November 29, 2023). (encyclopedia.pub)
- Despite commercialization and use in the clinic, the calcium phosphate cements have great potential for development. (encyclopedia.pub)
- Existing approaches to the production of calcium phosphate cements as drugs are analyzed. (encyclopedia.pub)
Bioactive3
- For this reason, in the recent five years hydroxyapatite particles and whiskers have been added as novel bioactive and biocompatible reinforcing filler in dental restorations. (hindawi.com)
- MTA cement is a bioactive material. (ultradent.com)
- MTAFlow cement is designed to quickly and easily mix into a smooth consistency, and has bioactive apatite-forming properties. (ultradent.com)
Resin18
- After this threshold, the mechanical performances decrease dramatically due to both the hydroxyapatite agglomerates formation and the low degree of resin conversion. (hindawi.com)
- This information is of primary interest in order to achieve a final consistency and specific formulation of hydroxyapatite whiskers mixed with silica particles filler in resin composite. (hindawi.com)
- Conventional high-strength-type zirconia has shown long-term clinical success cementing resin-modified glass ionomers. (dentistrytoday.com)
- Recent research has reported, however, that the resin cements should be used for translucent zirconia materials because of their comparatively lower mechanical strength compared to conventional high-strength materials (eg, Original 10-MDP-based PANAVIA V5, PANAVIA SA Cement Plus). (dentistrytoday.com)
- An MDP-based resin cement, such as PANAVIA V5 and PANAVIA SA Cement Plus, would be a good option to achieve a successful clinical outcome. (dentistrytoday.com)
- In the past, resin cements like PANAVIA F 2.0 required that clinicians mix primers and caused a difficult removal of excess cement. (dentistrytoday.com)
- With recent advancements in resin cements, PANAVIA V5 can be a good choice of cement for zirconia crowns. (dentistrytoday.com)
- Using 10-MDP-based resin cement can be a key factor in the reliable adhesive cementation of zirconia restorations. (dentistrytoday.com)
- RelyX Unicem showed similar bond strength value (16.5 MPa) when compared to the pretreatment with acid etching (11.9 Mpa) and to the conventional resin cement (18.1 MPa) for enamel. (bvsalud.org)
- 6. Aguiar TR, Francescantonio MD, Arrais CAG, Ambrosano GMD, Davanzo C, Giannini M. Influence of curing mode and time on degree of conversion of one conventional and two self-adhesive resin cements. (bvsalud.org)
- 11. Mazzitelli C, Monticelli F, Toledano M, Ferrari M, Osorio R. Dentin treatment effects on the bonding performance of self-adhesive resin cements. (bvsalud.org)
- Uzunoglu et al (8) evaluated the effect of 2 different post space diameters and related resin cement film thicknesses on the bond strength of fiber posts and found that increases in post space diameter significantly reduced the bond strength of fiber posts to root dentin for both groups. (docksci.com)
- Similarly, Gomes et al (9) evaluated the effect of resin cement thickness on the bond strength and gap formation of fiber posts bonded to root dentin, and they reported that a lower resin cement thickness resulted in better fiber post adhesion (ie, higher bond strength and less gap formation). (docksci.com)
- Various adhesion strategies for fiber-reinforced composite posts have been used in root canals, and etch-and-rinse adhesives in combination with dual-cure resin cements were found to give the most reliable results (13). (docksci.com)
- As far as resin cements are concerned, conventional dual-cured resin cements require prior application of adhesive systems. (docksci.com)
- PANAVIA F2.0 is a self-etching, self-adhesive, dual-cure, fluoride releasing resin cement that can be cured with any Halogen, Plasma ARC or LED light. (dentalworldofficial.com)
- PANAVIA F2.0, as with all Panavia resin cements, contains the same, proprietary MDP adhesive monomer that has been proven with over 20 years of clinical use. (dentalworldofficial.com)
- PANAVIA F 2.0 is an universal resin cement which shows high bond strength to tooth structures, metals and ceramics. (dentalworldofficial.com)
Self-adhesive2
- However, self-adhesive cements do not require any surface treatment of the root canals. (docksci.com)
- The chemical reaction between phosphate methacrylates in self-adhesive cements and hydroxyapatite in dentin provides bonding (15). (docksci.com)
Tricalcium phosphate1
- Commonly used materials include hydroxylapatite, tricalcium phosphate, and calcium phosphate cement. (wikipedia.org)
Craniofacial2
- This article presents 5 clinical cases with craniofacial fractures, sustained in various accidents, in which hydroxyapatite cement was used to prevent cranial deformities or to reinstate contour. (elsevierpure.com)
- While the short-term experience using hydroxyapatite cement in craniofacial trauma surgery has been favorable, long-term studies in humans are required to validate the safety and efficacy of this product. (elsevierpure.com)
Coatings3
- This paper discusses the processes of grit-blasting, plasma spraying, acid-etching, anodization and implant surface coatings with hydroxyapatite. (com.pk)
- Ahmed F, Rashid H, Farookhi S, Verma V, Mulyar Y, Khalifa M, Sheikh Z. Surface modifications of endosseous dental implants by incorporation of roughness and hydroxyapatite coatings. (com.pk)
- Cementless hydroxyapatite coatings are used on both short stems and longer, traditional stems. (gilesstafford.com)
Conventional2
- In fact, it was shown that the incorporation of hydroxyapatite with whiskers morphology can provide larger load transfer and favor toughening mechanisms, thus, increasing flexural modulus and fracture toughness of resins in comparison with conventional silica based fillers [ 6 - 11 ]. (hindawi.com)
- This study was conducted to evaluate and compare fluoride ion release by Cention-N (self-cure and light-cure) and conventional glass-ionomer cement (GIC) at different pH and time intervals. (org.in)
Strontium1
- In this study, a strontium-doped hydroxyapatite (HA) gel was modified by integrating branched poly(epsilon-lysine) dendrons with third-generation branches exposing phosphoserine (SrHA/G3-K PS). (brighton.ac.uk)
Injectable2
- This is the first report of use of injectable hydroxyapatite to rebuild soft and hard tissue defects of the larynx after partial laryngeal surgery. (mssm.edu)
- Lee, B & Woo, P 2004, ' Use of injectable hydroxyapatite in the secondary setting to restore glottic competence after partial laryngectomy with arytenoidectomy ', Annals of Otology, Rhinology and Laryngology , vol. 113, no. 8, pp. 618-622. (mssm.edu)
Reconstruction1
- Reconstruction of Mastoid Cortex Defects with Hydroxyapatite Cement for Negative Sequelae of Mastoidectomy. (uchicago.edu)
Defects2
- lcium phosphate cements (CPC) have proven successful in the repair of small, non-stress bearing skeletal defects. (nist.gov)
- Hydroxyapatite (HA), Ca 10 (PO 4 ) 6 (OH) 2 , was introduced since 1975 as filling material for intrabony defects [ 1 - 4 ]. (hindawi.com)
Porous1
- In vitro bioactivity of bioresorbable porous polymeric scaffolds incorporating hydroxyapatite microspheres. (mpg.de)
Phosphate ions1
- In a biomimetic mineralization strategy based on normal enamel histogenesis, a three-dimensional scaffold is formed to attract and arrange calcium and/or phosphate ions to induce de novo precipitation of hydroxylapatite. (wikipedia.org)
Formation3
- Three-dimensional tissue growth in polymer scaffolds with different stiffness and in-vitro influence of BMP-2 on tissue formation in hydroxyapatite scaffolds. (mpg.de)
- The formation of hydroxyapatite (HA) will cover the surface of the MTA exposed to body fluids, and that layer of HA will no longer look like a foreign material to the living cells. (ultradent.com)
- This study reports a novel method for the formation of macroporous CPC scaffolds, which has two main advantages over the previously reported Manufacturing route: the cement matrix is considerably denser than CPC formed front Slurry systems and the scaffold is formed Lit temperatures below room temperature. (elsevierpure.com)
Implant1
- Influence of coralline hydroxyapatite used as an ocular implant on the dose distribution of external beam photon radiation therapy. (uchicago.edu)
Injection2
- In conclusion, hydroxyapatite injection is a technically simple procedure to restore glottic competence that may obviate the need for an open procedure. (mssm.edu)
- Hemostasis and obliteration of mandibular arteriovenous malformation through direct hydroxyapatite cement injection into the molar cavity. (uchicago.edu)
Methods2
- Aim This paper describes the methods applied to assess the cost-effectiveness of cemented versus uncemented hemiarthroplasty among hip fracture patients in the World Hip Trauma Evaluation Five (WHiTE5) trial. (ox.ac.uk)
- Hydroxyapatite (HAP, Ca-10(PO4)(6)(OH)(2)) was studied from first principles approaches using the local density approximation (LDA) method in combination with various quantum-chemical (QM) and molecular mechanical (MM) methods from HypemChem 7.5/8.0. (ua.pt)
Monomer3
- Considered the most important monomer, 10-MDP forms a chemically stable bond to hydroxyapatite. (dentistrytoday.com)
- This schematic diagram shows the bond between a 10-MDP monomer and tooth substrate (hydroxyapatite). (dentistrytoday.com)
- Kuraray's unique adhesive monomer MDP in the primer creates a strong chemical bond to hydroxylapatite. (dentalworldofficial.com)
Dental2
- A systematic evaluation of mechanical and biocompatibility properties of different volume fractions of hydroxyapatite whiskers in comparison with three commercial dental composites filled with micro- and nanosilica particles was carried out. (hindawi.com)
- To overcome the present lack in the literature about hydroxyapatite based composite, we proposed a systematic analysis of the mechanical and biocompatibility performances of them in comparison with commercial dental composite. (hindawi.com)
Consistency2
- Get the same safe delivery of MTAFlow cement with your desired consistency, but now in a nonstaining formula. (ultradent.com)
- MTAFlow cement mixes easily and has a smooth consistency due to the ultrafine-grained powder and proprietary gel medium. (ultradent.com)
Powder3
- A dosimeter for EPR dosimetry systems includes a carbonated hydroxyapatite cement formed by mixing a cement powder and a cement liquid in a ratio of a range of about 0.5 to 5.0 powder-to-liquid ratio. (nist.gov)
- The cement powder includes one or more calcium phosphate compounds and one or more carbonate compounds. (nist.gov)
- A mixture of frozen sodium phosphate solution particles and CPC powder were compacted Lit 106 MPa and the sodium phosphate was allowed to melt and simultaneously set the cement. (elsevierpure.com)
Enamel1
- As the main biomineral component in enamel and dentine, hydroxyapatite is responsible for their higher mechanical performances. (hindawi.com)
Fluoride1
- Even after releasing fluoride, the cement maintains its high mechanical strength due to the special surface coating technology of sodium fluoride. (dentalworldofficial.com)
Stem1
- Hybrid hip replacements combine the use of a cemented femoral stem with an uncemented acetabular cup. (gilesstafford.com)
Compounds1
- Unlike sintered hydroxyapatite there is evidence to Suggest that calcium phosphate cement (CPC) is actively remodelled in vivo and because CPC is formed by a low-terriperature process, thermally unstable compounds Such Lis proteins may be incorporated into the matrix of the cement which can then be released after implantation. (elsevierpure.com)
Profiles1
- Below are the most recent publications written about "Hydroxyapatites" by people in Profiles. (uchicago.edu)
Sodium1
- The cement liquid includes a sodium phosphate solution. (nist.gov)
Properties1
- With this aim, different mass fraction of hydroxyapatite based composites and three commercial composites loaded with silica particles were tested and compared in order to verify the effective enhancement in both biocompatibility and mechanical properties. (hindawi.com)
Mineral2
- How is MTAFlow cement different than other mineral trioxide aggregate repair cements? (ultradent.com)
- MTAFlow cement is also the only mineral trioxide aggregate repair cement that was specifically designed to be used with Ultradent tips, including the 29 ga NaviTip tip . (ultradent.com)
Patients1
- Hydroxyapatite was injected in 4 patients to address glottic incompetence after partial laryngectomy. (mssm.edu)
Recent1
- One such recent compound is hydroxyapatite cement (HAC) - a calcium-phosphate-based product. (elsevierpure.com)
Effect1
- In addition, biocompatibility test showed less cytotoxic effect with the addition of 20 wt% of hydroxyapatite in comparison with higher rates. (hindawi.com)
Ceramic1
- In addition, hydroxyapatite whiskers (wHA) have been considered the best option as reinforcing filler in comparison with other whiskers based on carbon, ceramic, glass, metal, and polymer due to the absence of cytotoxicity effects [ 12 , 13 ]. (hindawi.com)
Repair2
- 1 MTAFlow White repair cement is designed to mix quickly, smoothly, and easily for a variety of procedures. (ultradent.com)
- MTA cement in place showing repair. (ultradent.com)
Good1
- The self-etching cement system prevents postoperative sensitivity and provides consistently good results. (dentalworldofficial.com)
Time1
- What is the setting and cure time for MTAFlow cement? (ultradent.com)
Shows1
- This graph shows the total number of publications written about "Hydroxyapatites" by people in this website by year, and whether "Hydroxyapatites" was a major or minor topic of these publications. (uchicago.edu)
Total1
- Cemented total hip replacements are considered gold standard in many countries. (gilesstafford.com)
Subject1
- Hydroxyapatites" is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus, MeSH (Medical Subject Headings) . (uchicago.edu)
Type1
- Many clinicians liked glass ionomer-type cements due to their user-friendly features, such as no pre-treatment steps and easy excess removal. (dentistrytoday.com)
Main1
- Cement thickness is 1 of the main factors affecting the retention of post systems (8). (docksci.com)