1. Cross-section of a plasma sprayed hydroxyapatite structure showing a typical laminated structure.

2. Hydroxyapatite (HA) was commonly used as medical bioceramic materials.

3. This hydroxyapatite can be used to make catalytic carrier for organic synthesis of some aldehydes by catalytic oxidization of alcohols by molecular oxygen.

4. Objective To observe the repair effect of hydroxyapatite as orbita l implants after enucleation.

5. Methods Granule hydroxyapatite artificial bone dust was applied to perform operation of projecting forehead and nose.

6. The structural and functional properties of hydroxyapatite, polylactide and polyglycolide were reviewed in this paper.

7. Hydroxyapatite(HAP)powder was prepared from calcium nitrate and phosphoric acid by homogeneous precipitation method.

8. Nano- hydroxyapatite was synthesized by hydrothermal method in the submerged circulating impinging stream reactor, using calcium nitrate and sodium phosphate as reactants and acetamide as dispersant.

9. In 2001, the "coralline hydroxyapatite implant materials innovation industrialization" were "National Innovation Fund for small and medium-sized technology-based" support.

10. Objective: To observe the mutual adsorption of hydroxyapatite(HA) particles and the sealing effect of HA microparticles on dentinal tubules.

11. Nano-ceramic materials are mainly prepared with hydroxyapatite ceramic, aluminium oxide ceramic and tricalcium phosphate.

12. Replantation objects are replaced with Carbonated Hydroxyapatite Cement ( CHC ), alloglaft and autoglaft.

13. Methods: The hydroxyapatite eye socket in 15 patients after enucleation of eyeball.

14. Objective To compare different effect of hydroxyapatite implantation with and without autologous sclera shell.

15. Hydroxyapatite particles and red bone marrow were implanted in the abdominal muscles of 4 rabbits. Then harvested at 4 and 12 weeks after operation.

16. To obtain hydroxyapatite scaffold with appropriate pore size and porous rate , we used reticulation polyurethane substrate.

17. In 2000, the " coralline hydroxyapatite implant material industrialization" project, Beijing Science and Technology Commission, a special fund new materials for medical support.

18. Bionic acicular nano hydroxyapatite(n HA) was used to make composites with medical grade polyamide (Poly hexamethylene adipamide) by solution blend.

19. A resorbable porous composite ceramic, resorbable coralline hydroxyapatite (R-CHA), was prepared using a certain coral as raw material.

20. Objective To observe the clinic effect of hydroxyapatite ( HA ) implantation combined with conjunctival sac plasty.

21. Objective: To assess the clinical effect of hydroxyapatite as an intra-orbital tamponade to be secondary implanted.

22. Methods:Hydroxyapatite wrapped in autologous sclera was used as secondary orbital implant in 37 patients (37 eyes)after evisceration of the eye.

23. Methods Review the complication of 13 eyes after evisceration of eyeball with hydroxyapatite implantation immediately.

24. Hydroxyapatite has excellent biocompatibility and tissue bioactivity and is hydroxyapatite bioceramic materials.

25. Objective: To compare the the effect of coralline and hydroxyapatite (HA) on bone formation in immediate bone implantation.

26. XRD and SEM analysis revealed that the end-product of CPC was calcium deficient hydroxyapatite (CDHA) with low crystallinity.

27. The segment results of hybrid level set model can be used in 3-D eye socket reconstruction and calculation of hydroxyapatite implant, which are useful in computer-aided surgery.

28. METHODS: After evisceration, the abducens oculi muscle and the optic nerve were cut, and the hydroxyapatite sphere was implanted primarily in the muscular pyramid.

29. The observation of Scanning Electronic Microscope (SEM) on a shankbone shows that the bone is a kind of natural bioceramic composite consisting of hydroxyapatite and collagen protein.

30. Using calcium chloridize and sodium phosphate dibasic, this paper synthesizes hydroxyapatite having hexagonal system at 40 ℃.

31. The dense hydroxyapatite discs were implanted subcutaneously into the interscapular region of 32 rats for various periods between 1 day and 10 months.

32. Bone formation Hydroxyapatite is deposited in nucleation sites between the ends of tropocollagen molecules as the first step in bone formation.

33. AIM:Hydroxyapatite bone cement(HAC) is one of the bioactive materials for the repair of bone defects which has the characteristic of self-curing at room temperature.

34. Methods The human bone marrow mesenchymal stem cells, which adhered to freeze dried cancellous and hydroxyapatite, were implanted in the nude mice subcutaneously.

35. Fetuin - A , an acute phase glycoprotein, is one of the more powerful circulating inhibitors of hydroxyapatite formation.

36. Objective To study the biocompatibility of tricalcium phosphate (TCP)and coralline hydroxyapatite (CHA) combined with cultured bone marrow stromal cells (BMSCs) in periodontal tissue engineering.

37. Objective To observe the use of hydroxyapatite particle in patients of ocular evisceration and its effect.

38. Hydroxyapatite method has advantage over the methods such as actived alumina, bone char and electrodialysis commonly used in defluorination of drinking water. It is for this re...

39. Hydroxyapatite(HA) whisker has lower dislocation density and higher tensile strength, therefore it could be used as toughening material in bioceramic.

40. AIM: To study the clinical effect of the hydroxyapatite orbital implant in surgery after enucleation and evisceration performed in 18 children with age of 3-12 years.

41. Methods Retrospective study of 18 spinal tuberculosis treated by simultaneously focus eliminate, coralline hydroxyapatite transplantation between vertebra body and anterior internal fixation.

42. Hollow hydroxyapatite (HAP) microspheres with pores on their surfaces were prepared by in situ conversion reaction of Li-Ca-B glass in phosphate solution.

43. Objective To observe the clinical effect of orbital implantation with hydroxyapatite.

44. Objective Core histones H2A, H2B, H3 and H4 were extracted from calf thymus, fractionated on sucrose density gradient ultracentrifugation,() and further purified by hydroxyapatite.

45. Objective To evaluate the clinical effect on pulpal periapical diseases treated with compound hydroxyapatite root canal filling materials.

46. Conclusion Hydroxyapatite artificial eye base is one kind of comparatively ideal material for eye socket implantation.

47. CONCLUSION: Various types of socket anaplasty for hydroxyapatite implants could perform according to different condition of patients.

48. Conclusions To patients of severe ocular rupture, absolute glaucoma, or atrophic eyes, ocular evisceration with hydroxyapatite particles implantation is an simple method and has good results.

49. Methods To put hydroxyapatite in muscular funnel, got autodermic tissue on lower abdomen four rectus muscles were sutured together and the Tennos's capsule and bulbar conjunctiva were covered on it.

50. Whether nano - hydroxyapatite particles can influence apoptosis of mononuclear macrophage in rat abdominal cavity?

51. Conslusion: Nanometer hydroxyapatite would use long bone comminuted fracture and gained well bone healing.

52. Yttria stabilized zirconia (YSZ) reinforced hydroxyapatite (HA) bio-composite coatings on polyimide (PI) substrate had been developed by R.

53. Objective To study clinical effectiveness and safety of non - sclera wrapped artificial eye seat of hydroxyapatite ( NSWAS - HA ) .

54. The activating and sintering characteristics of hydroxyapatite agglomerate treated by shock wave were studied.

55. METHODS: Retrospective study was performed according to clinic and followup data of 50 patients in which hydroxyapatite were used as implants of socket plastic technique.

56. Results The sialolith was mixture of such inorganic substance as hydroxyapatite ,[http:///hydroxyapatite.html] whitlockite and organic matter.

57. Objective:To discuss the filling effects of coralline hydroxyapatite(CHA) in curettage of jaw cysts.

58. Objective To discuss of American coral porous hydroxyapatite artifical ear - bones in the ossicular chain reconstruction.

59. The clinical effect of our national products coralline hydroxyapatite is well.

60. Conclusion The absorbable coral hydroxyapatite is a good bone tissue engineering scaffold.

61. Objective To explore the safety and effect in the treatment of spinal tuberculosis by simultaneously anterior internal fixation combined with coralline hydroxyapatite.

62. Objective To study the effects of the secondary intraorbital autodermic embedding hydroxyapatite implant treating the invagination of eye socket without autosclera.

63. Objective To observe the effect of hydroxyapatite implantation in correction of eye socket deformity.

64. Objective:To observe the complication and effect of intraorbital implantation of hydroxyapatite(HA)sphere in anophthalmos.

65. ObjectiveTo investigate a repair method for intractable exposure of hydroxyapatite implants.

66. AIM : To explore a simple fixation of hydroxyapatite ( HA ) artificial eye mount of auto sclera.

67. Hydroxyapatite(HAP) bioceramic coatings with stable structure were prepared on titanium substrate by electrophoretic deposition.

68. Objective To study the biocompatibility of the coralline hydroxyapatite combined with bone morphogenetic protein(CCHA).