Attempts to grow replacement bone by placing stem cells in a culture chamber of the desired shape have not been very successful, with the cells often dying or producing only weak bone.
以前通过将干细胞置于特定性状的培养腔内，以培育出再造骨骼的尝试并不太成功，细胞往往会死亡，或者仅培育出很脆弱的骨骼。
Replacement can be a marvelously precise process, so that details of shell ornamentation, tree rings in wood, and delicate structures in bone are accurately preserved.
替换可能是一个令人惊叹的精确过程，因此贝壳纹饰的细节，树木的年轮和骨的微妙结构都被准确地保存。
It held great promise for producing replacement skin, cartilage, and bone tissue for burn and accident victims, and nerve tissue to treat spinal cord injuries.
克隆技术很有希望产生烧伤和其它事故受害者所需的再生肌肤、软骨和骨头组织，以及治疗脊髓损伤的神经组织。
The procedure, which preserves more thigh bone than in a conventional hip replacement, is aimed at younger, more active patients who may need several hip replacements in their lifetimes.
目前这种手术的对象主要是年纪较青、活动量大的患者，这些患者在他们有生之年中或许需要进行几次髋关节置换手术。
Method: And nurses using the root to the replacement petal union bone excision method surgery method.
方法：运用根向复位瓣结合骨切除术的手术方法和护理。
Replacement of bone tissue by marrow, as in inflammatory bone disease.
髓质化骨头组织被骨髓所取代，如发生于骨头炎症者中。
Conclusion: Artificial vertebral body replacement and auto bone grafting for the patients with spinal tumor provides a valuable alternative measure for spinal reconstruction.
结论：人工椎体置换植骨术治疗脊椎原发良恶性肿瘤及椎体单个转移灶不失为一良好替代和重建方法。
Bioactive ceramic-coated metal has the predominance of both metal and ceramics, so it is considered as a kind of the most promising bone replacement material.
金属基生物活性陶瓷涂层由于具有金属和生物活性陶瓷的综合优势，被认为是目前最有前途的一种承重骨替换材料。
Objective: To evaluate the effects of estrogen replacement therapy upon alveolar bone height in rats with experimental periodontitis via establishing osteoporosis rats model.
目的：通过建立大鼠骨质疏松模型，研究雌激素替代治疗对实验性牙周炎大鼠牙槽骨高度的影响。
Through study on human active material Hydroxyapatite, it is regarded as the ideal human's bone replacement material with good characteristics of lower price, biology and suitable strength.
通过对人体活性材料羟基磷灰石的研究，发现它的生物活性和相容性较好，强度适中，并且价格低，是理想的人体骨替代材料。
This article reviews the main applications of collagen in tissue engineering including skin replacement, bone substitutes and artifical blood vessels and valves.
应用于组织工程，例如皮肤替换、骨替换以及人造血管和瓣膜的替换，就是胶原的重要用途之一。
Objective: to investigate the effect of estrogen replacement therapy on bone healing around titanium implants in ovariectomized rats.
目的：研究雌激素替代治疗对骨质疏松时种植体骨愈合的影响。
Objective: To discuss the treatment of malignant bone tumors of proximal humerus by the replacement of artificial shoulder joint.
目的：探讨人工肩关节假体置换治疗肱骨近端恶性骨肿瘤的疗效。
Objective To investigate the effects of short term thyroid hormone replacement therapy on bone and mineral metabolism in patients with hypothyroidism.
目的了解甲状腺素短期替代治疗对甲状腺功能低减（甲减）患者骨矿代谢的影响。
The knee replacement system is an effective method to treat bone tumors near the knee, but the operative indication should be carefully selected.
可旋转铰链式膝关节置换膝关节肿瘤病人是一种有效的保肢方法，但选择适应证应慎重。
In 4 cases with cemented hip replacement, 2 cases reserved calcar femoral bone flap got union, and 1 hip prosthesis had loosen.
行骨水泥型人工关节置换的4例中2例保留的股骨距骨块愈合，1例出现假体松动。
Methods: From August 1985 to August 2003, 35 patients with malignant bone tumors of proximal humerus were treated with segmental resection and prosthetic replacement of shoulder joint.
方法：1985年8月至2003年8月我院共对35例肱骨近端恶性骨肿瘤患者行肿瘤瘤段切除，人工肩关节假体置换保肢术。
Objective a three dimensional finite element model after total hip replacement was established to analytically study the stress distribution of the artificial stem, bone cement and human femur.
目的建立人工髋关节置换术后的三维有限元模型，分析研究人工股骨柄、骨水泥和人体股骨的应力分布。
Methods: 19 cases of malignant bone tumors of the distal femur or the proximal tibia were treated by wide excision and total knee replacement.
方法：对19例股骨远端或胫骨近端恶性骨肿瘤行瘤段骨广泛切除、定制人工膝关节假体置换术。
Excision of bone tumor and artificial joint replacement in 4 cases, arthrodesis in 3 cases, amputation in 6 cases.
行瘤段切除关节置换4例、关节融合术3例、截肢术6例，均未再复发。
Results In experimental group, the process of new bone growth and mature bone replacement was faster than that of control group, new blood vessel and nervous fiber remarkably proliferated.
结果实验组新骨生长及成熟骨替代过程较对照组快，且有增生的小血管及神经纤维。
"As you run or walk throughout life, microcracks develop in bone," he explained. "Therefore, bone remodeling and replacement with new bone is required to maintain skeletal integrity."
你在一生中或跑或走，骨骼就会产生微小的裂缝，因此骨骼需要新生骨来重塑和替代以保持骨骼的完整性。
Method: To the joint in the bone fracture 56 examples surgeries indication, the surgery opportunity, the margin choice, the bone fracture replacement and in fixedly carry on the review analysis.
方法：对跟骨关节内骨折56例手术适应症、手术时机、切口选择、骨折复位及内固定进行回顾性分析。
The biocompatible of hydroxyapatite is very well, it is a kind of repair and replacement material of bone.
羟基磷灰石是具有良好生物相容性的骨修复和替代材料。
Arthroplasty, replacement, hip; bone defect; Modular femoral prosthesis.
关节成形术，置换，髋；股骨；组配型股骨假体。
CONCLUSION: Bone change of proximal femur might be one of the reasons for the early failure of total hip replacement reported in patients with osteonecrosis of the femoral head.
结论：股骨近端的骨改变可能是股骨头缺血坏死行全髋关节置换早期失败的原因之一。
The utility model is applicable to the hip bone replacement surgery for the hip joint disease.
本实用新型适合人体髋关节病变进行骨置换手术的使用。
Objective To evaluate the application of prosthetic replacement in limb salvage treatment of bone tumors.
目的探讨人工假体在骨肿瘤保肢术中的应用价值。
Objective To evaluate the application of prosthetic replacement in limb salvage treatment of bone tumors.
目的探讨人工假体在骨肿瘤保肢术中的应用价值。
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