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1) "Microcrystalline" -- As to microcrystalline hydroxyapatite mi·cro·crys·tal
Pronunciation: 'mI-krO-"kris-t&l
Function: noun
: a microscopic crystal
- mi·cro·crys·tal·line /"mI-krO-'kris-t&-l&n also -"lIn or -"lEn/ adjective
- mi·cro·crys·tal·lin·i·ty /-"kris-t&-'li-n&-tE/ noun Pronunciation Symbols
A microcrystalline material is a crystallized substance or rock which contains small crystals that are visible only through microscopic examination. ..."
2) "Hydroxyapatite" -- As to microcrystalline hydroxyapatite hy·droxy·ap·a·tite
Pronunciation: hI-"dräk-sE-'a-p&-"tIt
Variant(s): or hy·drox·yl·ap·a·tite /-s&-'la-p&-"tIt/
Function: noun
: a complex phosphate of calcium Ca5(PO4)3OH that occurs as a mineral and is the chief structural element of vertebrate bone Pronunciation Symbols
A sample of hydroxylapatite Hydroxylapatite, also frequently called hydroxyapatite, is a mineral. It is a naturally occurring form of calcium apatite with the formula Ca5(PO4)3(OH), but is usually written Ca10(PO4)6(OH)2 to denote that the crystal unit cell comprises two molecules. Hydroxylapatite is the hydroxyl endmember of the complex apatite group. The OH- ion can be replaced by fluoride, chloride or carbonate. It crystallizes in the hexagonal crystal system. It has a specific gravity of 3.08 and is 5 on the Mohs hardness scale. Pure hydroxylapatite powder is white. Naturally occurring apatites can however also have brown, yellow or green colorations. Compare to the discolorations of dental fluorosis. Hydroxylapatite is the main mineral component of bone. Carbonated-calcium deficient hydroxyapatite is the main mineral of which dental enamel and dentin are comprised. - 1 Medical uses
- 2 Hydroxyapatite uses in chromatography
- 3 External links
- 4 Reference
| Hydroxylapatite can be used as a filler to replace amputated bone or as a coating to promote bone ingrowth into prosthetic implants. Although many other phases exist with similar or even identical chemical makeup, the body responds much differently to them. Coral skeletons can be transformed into hydroxylapatite by high temperatures; their porous structure allows relatively rapid ingrowth at the expense of initial mechanical strength. The high temperature also burns away any organic molecules such as proteins, preventing host vs. graft disease. Some modern dental implants are coated with hydroxylapatite. It has been suggested that this may promote osseointegration, but there is not yet conclusive clinical proof of this. The mechanism of Hydroxyapatite (HAP) chromatography is complicated and has been described as "mixed-mode" ion exchange. It involves nonspecific in..."
Further Data On Term for microcrystalline hydroxyapatite
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Regularly Occuring Typos with microcrystalline hydroxyapatite include: imcrocrystalline mcirocrystalline mircocrystalline micorcrystalline micrcorystalline microrcystalline microcyrstalline microcrsytalline microcrytsalline microcrysatlline microcrystlaline microcrystalline microcrystalilne microcrystallnie microcrystallien icrocrystalline mcrocrystalline mirocrystalline micocrystalline micrcrystalline microrystalline microcystalline microcrstalline microcrytalline microcrysalline microcrystlline microcrystaline microcrystaline microcrystallne microcrystallie microcrystallin nicrocrystalline jicrocrystalline kicrocrystalline mucrocrystalline mkcrocrystalline mocrocrystalline macrocrystalline mecrocrystalline mucrocrystalline mixrocrystalline midrocrystalline mifrocrystalline mivrocrystalline mikrocrystalline miceocrystalline micdocrystalline micfocrystalline mictocrystalline micricrystalline micrkcrystalline micrlcrystalline micrpcrystalline micracrystalline micrecrystalline micrucrystalline microxrystalline microdrystalline microfrystalline microvrystalline microkrystalline microceystalline microcdystalline microcfystalline microctystalline microcrtstalline microcrhstalline microcrustalline microcryatalline microcrywtalline microcrydtalline microcryxtalline microcryztalline microcrysralline microcrysfalline microcrysgalline microcrysyalline microcrystqlline microcrystslline microcrystzlline microcrystelline microcrystilline microcrystolline microcrystulline microcrystakline microcrystaoline microcrystapline microcrystalkine microcrystaloine microcrystalpine microcrystallune microcrystallkne microcrystallone microcrystallane microcrystallene microcrystallune microcrystallibe microcrystallihe microcrystallije microcrystallime microcrystallinw microcrystallins microcrystallind microcrystallinr microcrystallina microcrystallini microcrystallino microcrystallinu yhdroxyapatite hdyroxyapatite hyrdoxyapatite hydorxyapatite hydrxoyapatite hydroyxapatite hydroxaypatite hydroxypaatite hydroxyaaptite hydroxyaptaite hydroxyapaitte hydroxyapattie hydroxyapatiet ydroxyapatite hdroxyapatite hyroxyapatite hydoxyapatite hydrxyapatite hydroyapatite hydroxapatite hydroxypatite hydroxyaatite hydroxyaptite hydroxyapaite hydroxyapatte hydroxyapatie hydroxyapatit yydroxyapatite gydroxyapatite jydroxyapatite bydroxyapatite nydroxyapatite htdroxyapatite hhdroxyapatite hudroxyapatite hysroxyapatite hyxroxyapatite hycroxyapatite hyfroxyapatite hyeroxyapatite hytroxyapatite hydeoxyapatite hyddoxyapatite hydfoxyapatite hydtoxyapatite hydrixyapatite hydrkxyapatite hydrlxyapatite hydrpxyapatite hydraxyapatite hydrexyapatite hydruxyapatite hydrozyapatite hydrosyapatite hydrodyapatite hydrocyapatite hydroxtapatite hydroxhapatite hydroxuapatite hydroxyqpatite hydroxyspatite hydroxyzpatite hydroxyepatite hydroxyipatite hydroxyopatite hydroxyupatite hydroxyaoatite hydroxyapqtite hydroxyapstite hydroxyapztite hydroxyapetite hydroxyapitite hydroxyapotite hydroxyaputite hydroxyaparite hydroxyapafite hydroxyapagite hydroxyapayite hydroxyapatute hydroxyapatkte hydroxyapatote hydroxyapatate hydroxyapatete hydroxyapatute hydroxyapatire hydroxyapatife hydroxyapatige hydroxyapatiye hydroxyapatitw hydroxyapatits hydroxyapatitd hydroxyapatitr hydroxyapatita hydroxyapatiti hydroxyapatito hydroxyapatitu
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