探讨掺锶对羟磷灰石细胞毒性的影响。
To investigate the influence of Sr2+ on the cytotoxicity of strontium substituted hydroxyapatite(Sr-HA).
羟磷灰石表面涂层假体能缓和界面层的应力差异。
The hydroxyapatite-coated prosthesis helped to reduce stress difference at bone and prosthesis interface.
釉质是羟磷灰石晶体有序排列而成的人体特殊的硬组织。
Dental enamel is composed of hydroxyapatite crystals which arrange regularly.
几乎所有的无机成分都以一种被称为羟磷灰石的方式存在。
Almost all of this inorganic substance is a compound called hydroxyapatite.
釉质脱矿可导致羟磷灰石晶体在形貌、结构以及成分上的改变。
Demineralization of enamel could alternate the hydroxyapatite crystals in their morphology, structures and chemical composites.
目的比较三金羟磷灰石根管封闭剂与传统根管封闭剂的封闭能力。
Objective To compare the apical sealing ability of Sankin hydroxyapatite root canal sealer with traditional root canal sealers.
探讨羟磷灰石骨水泥(HAC)作为生物活性因子缓释载体的有效性。
To investigate the validity of hydroxyapatite bone cement (HAC) as a slow-release carrier of bioactive factor.
目的：观察复方羟磷灰石钛尖根管充填料治疗牙髓尖周病的临床疗效。
Aim: To evaluate the clinical effect on pulpal-periapical diseases treated with the compound hydroxyapatite and titanium point root canal filling materials.
这说明虽经几千年地下埋藏，古象牙碳羟磷灰石晶体结构不仅没有破坏，而且结晶度还有所提高。
These results show that the crystallinity of the ancient ivory was higher although it had been buried for several thousand years.
结论：纳米氧化锌糊剂、羟磷灰石糊剂和纳米羟磷灰石糊剂具有良好的组织相容性和根尖封闭性，可以作为根管封闭剂用于根管充填。
Conclusion: Nano-zinc-oxide, hydroxyapatite and nanohydroxyapatite have favorable histocompatibility and excellent apical sealing ability, so they are suitable for root filling as root canal sealers.
结论：纳米氧化锌糊剂、羟磷灰石糊剂和纳米羟磷灰石糊剂具有良好的组织相容性和根尖封闭性，可以作为根管封闭剂用于根管充填。
Conclusion: Nano-zinc-oxide, hydroxyapatite and nanohydroxyapatite have favorable histocompatibility and excellent apical sealing ability, so they are suitable for root filling as root canal sealers.
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