2 种新型骨植入钛合金的细胞生物相容性研究

目的:研究国内2种新研制骨植入钛合金Ti1、Ti2对成骨细胞生物学行为的影响。方法:采用SD乳鼠体外原代分离培养的成骨细胞,将细胞分别接种于新型钛合金表面建立体外共同培养。采用MTT比色试验检测第3天成骨细胞的增殖百分率,采用扫描电镜(SEM)观察细胞形态学变化,并且对培养第5天时细胞碱性磷酸酶(ALP)功能活性进行检测。结果:成骨细胞在新合金表面增殖百分率、碱性磷酸酶活性检测值均高于对照组,细胞增殖百分率及碱性磷酸酶吸光度值与对照组间统计学分析无显著性差异(P>0.05)。扫描电镜观察细胞在新合金表面伸展状况良好、黏附牢固,并具有成骨细胞典型形态特征。结论:2种新型钛合金对成骨细胞学行为无不良影响。     

Ti6Al4V活性及耐磨涂层对成骨细胞生物学行为影响

目的：研究生物活性及耐磨涂层处理Ti6AL4V基体，对成骨细胞的增殖、形态及碱性磷酸酶（ALP）表达等生物学行为的影响。方法：采用SD新生鼠颅骨分离成骨细胞，与制备的2种涂层材料共同体外培养。细胞培养3d进行MTT比色检测：扫描电镜（SEM）观察成骨细胞形态学变化；采用5d生长细胞做碱性磷酸酶（ALP）功能活性检测。Ti6Al4V设立为对照组。结果：成骨细胞在新涂层材料表面的细胞增殖百分率及碱性磷酸酶光密度值与对照组间统计学分析无显著性差异（P〉0．05）；但3d细胞增殖率及5dALP活性测试结果均优于对照组。SEM观察细胞在活性涂层表面形态丰满，似立方形，具有良好的功能形态；细胞在活性、耐磨涂层表面同样伸展良好，细胞伪足丰富，并连接紧密，有利于细胞黏附。结论：2种新方法涂层材料具有良好的细胞生物活性。     

TiO_2喷砂酸蚀处理对钛片表面氧化膜及成骨细胞生长影响的研究

目的研究纯钛钛片经喷砂及喷砂酸蚀处理后,表面氧化膜金相结构和化学成分的变化及对成骨细胞黏附和生长特性的影响。方法将直径为15 mm、厚度为1 mm的纯钛钛片分4组进行表面处理：1）机械打磨组（S0）;2）喷砂组（SB）;3）喷砂酸蚀1组（SLA1）;4）喷砂酸蚀2组（SLA2）。采用电子探针分析仪及X射线衍射仪检测4组钛片表面氧化膜的厚度、化学成分以及金相结构,扫描电镜观察其表面微观形态。而后将成骨细胞培养于4组钛片表面,采用MTT法分析比较4组钛片表面对成骨细胞黏附率以及增殖率的影响。结果与S0组相比,SB、SLA1、SLA2组的粗糙度明显增大（P<0.05）。SB、SLA1、SLA2组间表面平均粗糙度差异无统计学意义（P>0.05）。酸蚀处理使喷砂形成的氧化膜变薄,密度减低,且结构发生改变：原有的金红石型TiO2峰消失,锐钛矿型TiO2减少。在表面平均粗糙度相同条件下,SB组钛片表面氧化膜均匀致密,有利于成骨细胞早期的黏附和增殖。结论喷砂和喷砂酸蚀处理均增加了钛片表面的粗糙度,有利于成骨细胞的黏附和增殖,但酸蚀使TiO2喷砂表面的氧化膜层变薄,在平均粗糙度不变的情况下,单纯喷砂表面成骨细胞的黏附和增殖优于喷砂酸蚀处理表面。     

成骨生长肽对纯钛表面成骨细胞样细胞增殖和分化的影响

目的探讨成骨生长肽（osteogenic growth peptide,OGP）涂层对纯钛表面新生大鼠颅盖骨成骨细胞样细胞增殖和分化的影响。方法实验分为纯钛组（Cp-Ti组）、碱-热水陈化处理组（AW-Ti组）和碱热处理-OGP涂层组（OGP-Ti组）,将体外培养的新生大鼠颅盖骨成骨细胞样细胞接种于3组钛片表面,进行细胞培养,第1、3、5、7天通过四甲基偶氮唑盐光密度值检测法测定细胞在材料表面的增值情况,培养第7、11、15天通过检测碱性磷酸酶活性测定细胞在材料表面的分化成熟情况。结果培养第1、3、5、7天,AW-Ti组和OGP-Ti组的细胞光密度值均高于Cp-Ti组（P〈0.05）;培养第1、5、7天,OGP-Ti组细胞光密度值均高于AW-Ti组（P〈0.05）。培养7、11、15 d后,AW-Ti组和OGP-Ti组的ALP活性均高于Cp-Ti组（P〈0.05）;培养7 d时,AW-Ti组和OGP-Ti组ALP活性差异无统计学意义（P〉0.05）;培养11、15 d时,OGP-Ti组的ALP活性均高于AW-Ti组（P〈0.05）。结论钛表面OGP涂层具有良好的生物相容性,能够提高其表面生物学活性。     

钛表面不同处理对成骨细胞生长影响的实验研究

目的：探讨纯钛表面不同处理对成骨细胞生长的影响。方法：分离、切取日本大耳白兔胫骨骨膜,应用植块法培养兔骨膜原代成骨细胞,应用碱性磷酸酶（ALP）染色,钙结节染色,进行成骨细胞鉴定。将原代培养的成骨细胞与不同处理的纯钛片（抛光处理、喷砂处理）紫外灯光照处理后联合培养。采用扫描电镜、碱性磷酸酶活性（ALP）检测,MTT检测,观察不同处理表面的微型态对成骨细胞黏附、增殖的影响。结果：扫描电镜观察成骨细胞平铺在抛光处理的钛片的表面,没有伪足伸出;在喷砂处理的钛片表面上成骨细胞伪足伸入孔洞内,有伪足伸出。喷砂组ALP活性明显高于抛光组。结论：粗糙钛表面比光滑钛表面更有利于成骨细胞的黏附、增值;紫外灯光照钛片对成骨细胞的黏附、增殖无不利影响。     

喷砂酸蚀与双重酸蚀钛表面对成骨细胞行为影响的对比研究

目的 对比研究喷砂酸蚀与双重酸蚀钛表面对成骨细胞生物学行为的影响。 方法 在纯钛试件表面分别进行喷砂酸蚀与双重酸蚀处理。以光滑钛表面（Ti）为对照组,喷砂酸蚀钛表面（Ti-SLA）、双重酸蚀钛表面（Ti-DA）为实验组,通过扫描电镜（SEM）、表面接触角测试、X射线光电子能谱（XPS）观察分析三种钛表面的微形貌、润湿性和元素组成。将MC3T3-E1成骨细胞接种于三组试件表面,研究不同钛表面对成骨细胞生物学行为的影响。 结果 SEM观察显示Ti-DA组试件表面形成了较Ti-SLA组更均匀细密的微米级凹坑结构;各组试件的表面接触角无显著差异;XPS分析显示Ti-SLA组试件表面有微量铝元素残留;成骨细胞在三组试件表面的粘附、增殖无显著差异,而Ti-DA组显著促进成骨细胞的分化。 结论 与喷砂酸蚀钛表面相比,双重酸蚀钛表面的微米级凹坑结构更均匀细密,且无铝元素残留,能更有效地促进成骨细胞分化。     

电解蚀刻法处理的钛及钛合金表面的对比研究

目的 通过成骨细胞的体外培养,初步探讨钛及钛合金微-纳米三维形貌对成骨细胞生物学行为的影响。方法采用电解蚀刻法在纯钛及钛合金表面构建出不同尺寸的微-纳米三维形貌,并观察其三维结构表面对成骨细胞黏附、增殖、细胞形态、碱性磷酸酶（ALP）活性的影响。结果在成骨细胞的黏附和增殖方面,纯钛组和钛合金组表面均高于纯钛机械抛光组。纯钛组表面细胞胞体饱满,伸出大量伪足,并可见大量功能颗粒。ALP活性显著高于钛合金和纯钛机械抛光组表面。结论通过电解蚀刻法在纯钛和钛合金表面可形成不同直径和深度的碗形巢样及纳米结构;两个表面即30~50 μm和5~8 μm的表面和光滑表面相比,都明显促进了细胞的附着;30~50 μm的纯钛表面更有利于促进细胞的增殖和分化。     

贮存条件对喷砂酸蚀钛种植体表面成骨细胞活性的影响

目的:研究不同贮存条件对与喷砂酸蚀钛种植体表面成骨细胞黏附、增殖等影响。方法:采用喷砂酸蚀技术对钛片进行改性,并将钛片分别放入组A密闭容器、组B双蒸水(ddH₂O)、组C氢氧化钠(NaOH)中保存4周。将成骨细胞接种到钛片表面,通过细胞形态观察,黏附增殖检测、碱性磷酸酶活性检测,分析3种贮存方法对种植体的影响。结果:在3 h、1 d、4 d、7 d,成骨细胞在钛片上黏附增殖具有统计学意义(p<0.05)。在培养7 d后组C的ALP活性大于组A大于组B,差异具有统计学意义(p<0.05)。培养24 h时组C细胞伸展良好,有大量伪足向四周伸展。结论:液体中保存可以减少种植体活性丧失,在NaOH中保存效果最好。     

不同直径羟基磷灰石纳米颗粒对成骨细胞代谢的影响

目的：比较喷涂法制备的羟基磷灰石（HA）涂层表面2种不同直径纳米颗粒对成骨细胞增殖活性及功能代谢的影响.方法：将体外培养的乳鼠颅骨成骨细胞分别接种于具有2种直径范围纳米颗粒的HA涂层表面（Ⅰ组：20～40 nm,Ⅱ组：70～100 nm）,并以无纳米颗粒HA涂层作对照,扫描电镜下观察涂层表面形态以及细胞贴附情况;采用MTT法、PNPP法和考马斯亮蓝蛋白含量检测法分别检测细胞的增殖活性、碱性磷酸酶（alkaline phosphatase,ALP）活性和细胞总蛋白含量,应用SPSS10.0统计软件包对数据进行单因素方差分析的q检验（SNK）.结果：细胞在HA涂层表面生长良好,MTT法测量显示,6d和8d时,Ⅰ组和Ⅱ组涂层表面细胞增殖活性具有显著性差异（P＜0.05）;ALP活性测量显示,5d和10d时,2组涂层表面细胞无显著差异（P＞0.05）,随着培养过程的进行,15d和20d时,Ⅰ组涂层表面细胞显著高于Ⅱ组涂层表面细胞（P＜0.05）;蛋白含量检测表明,Ⅰ组涂层表面细胞自5d至20d始终高于Ⅱ组涂层表面细胞（P＜0.05）.结论：HA涂层表面纳米颗粒的直径可以影响成骨细胞的增殖活性和功能代谢,颗粒直径接近体内骨组织HA纳米晶体的涂层,生物相容性较好.     

一步微弧氧化法处理钛合金的体外生物相容性研究

目的　研究一步微弧氧化法处理钛合金（Ti6Al4V）的体外生物学性能,为下一步临床应用微弧氧化法处理钛合金种植体提供前期理论基础。方法　通过一步微弧氧化法在Ti6Al4V表面生成膜层并表征膜层形态（实验组）,设置对照组为未处理的Ti6Al4V和喷砂酸蚀处理的Ti6Al4V,3组分别与成骨细胞共同培养,测定成骨细胞的增殖、碱性磷酸酶（alkaline phosphatase,ALP）活性以及Ⅰ型胶原蛋白（collagen Ⅰ,COL-Ⅰ）、骨钙素（osteocalcin,OC）的mRNA相对表达情况。结果　微弧氧化处理后Ti6Al4V表面含有大量的陶瓷烧结颗粒,以羟基磷灰石（hydroxyapatite,HA）为主要成分。3组试样的体外实验结果表明,经微弧氧化处理的Ti6Al4V表面的细胞增殖高于其他两组,细胞内的ALP活性、COL-Ⅰ、OC的mRNA相对表达也均高于其他两组。结论　通过微弧氧化法在Ti6Al4V表面生成的陶瓷膜对成骨细胞的增殖分化有促进作用,有良好的生物相容性。     

钛表面形貌和亲水性表面对成骨细胞增殖、分化的影响

目的:通过体外实验研究普通喷砂酸蚀纯钛表面和亲水性喷砂酸蚀纯钛表面对成骨细胞增殖、分化等生物学行为的影响。方法:纯钛片表面分别采用光滑处理(smooth pretreated Ti,PT)、大颗粒喷砂酸蚀表面处理(sand-blasted,large-grit,acid-etched,SLA)及亲水性化学活化大颗粒喷砂酸蚀表面处理(chemically-modified SLA,modSLA/SLActive),在表面接种MC3T3-E1成骨细胞,采用MTT、碱性磷酸酶半定量测试以及茜素红染色检测其对成骨细胞增殖、分化的影响,并采用实时荧光定量PCR检测成骨细胞在不同材料表面骨功能基因表达的差异。应用SAS 9.0软件包对数据进行统计学分析。结果:与光滑钛表面相比,普通喷砂酸蚀钛表面能通过促进ALP、钙基质的分泌和成骨功能基因(Runx2、OSX、OCN和OPN)的表达而显著抑制成骨细胞增殖并促进其分化。在表面粗糙度的基础上增加亲水性,可使这一效应更加明显。结论:表面粗糙度和亲水性是影响成骨细胞生物学行为的重要因素,粗糙钛表面能显著抑制成骨细胞增殖,促进其分化,亲水性的粗糙钛表面促进成骨细胞分化的作用更加显著。     

In vitro reaction of human osteoblasts on alumina-toughened zirconia

Objectives: Alumina toughening enhances the mechanical properties of zirconia ceramics but the biocompatibility of this material has rarely been addressed. In this study, we examined the osteoblast response to alumina-toughened zirconia (ATZ) with different surface topographies.
Material and methods: Human osteoblasts isolated from maxillary biopsies of four patients were cultured and seeded onto disks of the following substrates: ATZ with a machined surface, airborne-particle abraded ATZ, airborne-particle abraded and acid etched ATZ. Airborne-particle abraded and acid etched titanium (SLA) and polystyrene disks served as a reference control. The surface topography of the various substrates was characterized by profilometry ( R _a, R _p−v) and scanning electron microscopy (SEM). Cell proliferation, cell-covered surface area, alkaline phophatase (ALP) and osteocalcin production were determined. The cell morphology was analyzed on SEM images.
Results: The surface roughness of ATZ was increased by airborne-particle abrasion, but with the R _a and R _p−v values showing significantly lower values compared with SLA titanium (Mann-Whitney U-test P <0.05). The proliferation assay revealed no statistically significant differences between the ATZ substrates, SLA titanium and polystyrene (Kruskal–Wallis test, P >0.05). All substrates were densely covered by osteoblasts. ALP and osteocalcin production was similar on the examined surfaces. Cell morphology analysis revealed flat-spread osteoblasts with cellular extensions on all substrates.
Conclusions: These results indicate that ATZ may be a viable substrate for the growth and differentiation of human osteoblasts. Surface modification of ATZ by airborne-particle abrasion alone or in combination with acid etching seems not to interfere with the growth and differentiation of the osteoblasts.     

The Effect of Surface Processing of Titanium Implants on the Behavior of Human Osteoblast‐Like Saos‐2 Cells

Background: The surface qualities of dental implants appear to modulate osteoblasts’ growth and differentiation, affecting bone healing. During manufacturing of implants, the surface quality is affected by industrial processes. Purpose: To examine the effect of manufacturing procedures on the growth and differentiation of human osteoblast‐like cells, Saos‐2. Materials and Methods: Saos‐2 cells were cultured on titanium (Ti) disks. Cell growth was examined using the XTT assay, and cell differentiation was tested by alkaline phosphatase (ALP) activity and osteocalcin secretion. The following variables were examined: roughening of the surface by sandblasting and acid‐etching, aging of the acid used for etching, fluoride modification of the surface, and the type of the packaging material. Results: An inverse relationship was noted between Saos‐2 growth and ALP activity on the tested surfaces. Roughening of the surface tended to decrease cell proliferation and to increase differentiation. Immersion of up to 200 cycles in acid decreased proliferation and increased differentiation. Cells grown on fluoride‐modified surfaces exhibited more ALP activity as compared to the unmodified surfaces. No difference was noted between the three packaging materials tested. Conclusions: The data suggests that industrial processes may affect the behavior of osteoblast‐like cells around titanium implants and should be monitored carefully by bioassays.     

Influence of a Nanoporous Zirconia Implant Surface of on Cell Viability of Human Osteoblasts

Purpose : The dense nonretentive surface of zirconia implants was modified into a nanoporous surface using selective infiltration etching surface treatment. The aim of this study was to investigate the influence of such a nanoporous modified zirconia surface on the attachment of human osteoblasts. Materials and Methods : Human osteoblasts were cultured for 21 days on (i) selective infiltration etched zirconia (nanoporous surface), (ii) polished zirconia, (iii) polished titanium, or (iv) airborne particle abraded acid etched (SLA) titanium disks. After the culture period the following parameters were assessed: number of cells, the morphology of the cells, the attachment of the cells, alkaline phosphatase activity, and the level of total protein (α= 0.05). Results : Statistical analysis revealed a significantly higher cell count on the third (F = 17.4, p < 0.001) and eighth day (F = 163, p < 0.001) for nanoporous zirconia and SLA titanium surfaces compared to polished specimens. The number of cells (nanoporous zirconia 160 ± 20/mm², SLA titanium 133 ± 15/mm²) and cell size (nanoporous zirconia 50.7 ± 3 μm, SLA titanium 42.5 ± 4 μm) were significantly higher than polished specimens. Nanoporous zirconia specimens demonstrated comparable alkaline phosphatase activity (0.0036 ± 0.0035 ng/μl) and intracellular protein content (72.7 ± 0.9 ng/μl) compared to other tested groups. Scanning electron microscopy revealed that cells attached on the polished surface using finger‐like processes, whereas on the nanoporous surface, finger‐like processes were not observed, as the cell membrane appeared to be in close proximity to the underlying surface. Conclusion : The findings of this study suggest that a nanoporous zirconia surface favors cell growth and attachment compared to a polished surface. It was proposed that a nanoporous zirconia surface may improve clinical performance of zirconia implants.     

Comparison of human mandibular osteoblasts grown on two commercially available titanium implant surfaces

BACKGROUND: Surface characteristics play a major role in determining tissue response to implants and therefore their clinical outcome. The aim of the present study was to compare two commercially available titanium surfaces: plasma sprayed (TPS) and sand-blasted, acid-etched surface (SLA). METHODS: The surfaces were characterized by roughness testing, scanning electronic microscopy (SEM), Raman spectroscopy, and protein adsorption to determine their microtopographic and chemical properties. The effect of the surfaces on human mandibular osteoblasts was then studied in terms of cell morphology, adhesion, proliferation, and differentiation. Human osteoblasts from the mandible were cultured on these two surfaces and evaluated at 3, 6, 24, and 48 hours to determine cell attachment and morphology. Growth and differentiation kinetics were subsequently investigated by evaluating cell growth, alkaline phosphatase activity, osteocalcin and osteoprotegerin production at 7, 14, and 21 days. RESULTS: Although roughness was quite similar, the two surfaces presented strong differences in their topography, and cell morphology varied as a consequence. Osteoblasts on SLA appeared more elongated and spindle shaped than those on TPS, and their adhesion at 3 and 6 hours was weaker, but reached that of cells on TPS at hour 24. Cell proliferation was greater on SLA surfaces but differentiation parameters; i.e., alkaline phosphatase and osteocalcin, provided better results on TPS surfaces. Osteoprotegerin production was enhanced on TPS surfaces at days 14 and 21. CONCLUSION: Although cells grown on both surfaces exhibited good adhesion capabilities, a well-differentiated osteoblastic phenotype, and maintained a clear proliferation potential, our study suggests that plasma-sprayed treatment offers a better performance than SLA by creating, at least in the early phases, better conditions for tissue healing.     

Different titanium surface treatment influences human mandibular osteoblast response

BACKGROUND: Six titanium disks with six different surface treatments were examined: SS: smooth (polished) surface; TPS: plasma spray; C100: sand blasting by aluminum oxide (Al2O3) diameter 100 microm and acid etching; C150: sand blasting by Al2O3 diameter 150 microm and acid etching; B60: sand blasting by zirconium oxide (ZrO2) diameter 60 microm and acid etching; and B120: sand blasting by ZrO2 diameter 120 microm and acid etching. METHODS: The surface characteristics were determined by scanning electron microscopy (SEM) observation and a roughness tester. Raman spectroscopy was used to determine the presence of residual substances on the samples. Cells were seeded onto the disk and after 24 hours, 6 days, and 12 days were observed under SEM and growth curves generated with a cell counter. Some samples were used to determine alkaline phosphatase activity (ALP), using a colorimetric assay. RESULTS: SEM observation revealed drastic differences in surface microtopography, with a higher cell density on sand-blasted and acid-etched (SLA) samples than SS and TPS, and more regularly aligned cells on B60 and B120 surfaces than on the others. The growth curves showed a greater adhesion of cells on the etched/blasted surfaces compared to the SS and TPS surfaces. The number of cells increased on all the SLA samples, especially B60, throughout the experiment. At the same time, there was considerable ALP activity on the B60 sample, while it remained at extremely low levels on SS and TPS surfaces. Raman analyses revealed Al2O3 debris on C100 and C150, partly explaining the poorer performances of these two surface treatments, since this substance was shown to be toxic for cultured osteoblasts. CONCLUSIONS: Surface treatments influence the growth and the metabolic activity of cultured osteoblasts, and B60 seems to be the most favorable surface inducing a more pronounced proliferation of cells together with a high differentiation degree.     

Primäre Osteoblastenreaktionen auf SLA- und mikrostrukturierten Implantatoberflächen

The osseointegration process of dental implants depends on the tissue reaction at the tissue-implant interface. Osteoblasts are the main cells responsible for the regulation of osteoinduction. The manner and kinetics of the tissue reaction crucially depend on the interaction between osteoblasts and the morphology of the implant surface. The aim of this study was to investigate osteoblast behaviour on different implant surfaces (smooth, microgrooved, SLA) under standardized conditions. For this in vitro investigation we used primary bovine osteoblasts. Attachment kinetics, proliferation rate and synthesis of bone-associated proteins were used as parameters for cell reaction. The results demonstrate that both attachment and adhesion strength of the primary cell surface interaction was higher on the microgrooved surfaces than on SLA surfaces. The proliferation rate of cells and the synthesis of bone-specific proteins were higher on microgrooved surfaces in contrast to SLA surfaces. Ultrastructural analysis revealed phenotypic osteoblast-like cells on smooth and microgrooved surfaces, whereas cells on SLA surfaces showed a more fibroblastic appearance. This study demonstrates that the morphology of the implant surface determined the subsequent osteoblast reaction. An optimal cell reaction was found at surfaces which are smooth in the microenvironment of osteoblasts.     

铸钛的不同表面处理对钛-聚合瓷结合强度影响的实验研究

目的 研究铸钛的不同表面处理方法对钛-聚合瓷结合强度的影响。方法 将24个铸钛试件随机分为光 滑组、粗糙组、酸蚀光滑组和酸蚀粗糙组,每组6个。根据分组不同分别采用不同的表面处理方式,粗糙组进行喷 砂处理,酸蚀光滑组进行酸蚀处理,酸蚀粗糙组喷砂后进行酸蚀,光滑组表面不做处理。表面处理后的钛试件与 聚合瓷制备成钛-聚合瓷试件,测试其剪切结合强度,并在扫描电镜下观察钛表面形貌和剪切试验后钛与聚合瓷断 裂面的形貌。结果 光滑组、粗糙组、酸蚀光滑组和酸蚀粗糙组的剪切结合强度分别为（3.08±0.45）、（6.05±0.74）、（6.27±0.80）、（10.16±0.82）MPa。粗糙组、酸蚀光滑组和酸蚀粗糙组的剪切结合强度高于光滑组（P<0.01）,其中酸 蚀粗糙组的剪切结合强度最高,粗糙组和酸蚀光滑组间的剪切结合强度无统计学差异（P>0.05）。各组的钛表面形
貌和剪切试验后钛与聚合瓷断裂面的形貌均有一定的差异。结论 钛表面酸蚀处理和喷砂处理可提高钛-聚合瓷的剪切结合强度,喷砂后酸蚀处理是一种有效地提高钛-聚合瓷剪切结合强度的表面处理方法。     

激光酸蚀联合纳米管与喷砂酸蚀粗化种植体的对比研究

目的研究激光酸蚀联合纳米管与喷砂酸蚀（SLA）的钛种植体表面粗化处理方法,分析比较不同表面理化特性的差异。方法自制表面光滑钛种植体分两组：一组依次采用LT-G20W光纤激光打标机轰击、18％盐酸和49％硫酸的混合物酸蚀、阳极氧化法制纳米管3个工序联合粗化光滑面的纯钛种植体表面;另一组依次采用喷砂（Al2O3颗粒）、18％盐酸和49％硫酸的混合物酸蚀法2个工序粗化钛金属表面。通过扫描电镜（SEM）观察两种植体表面形貌：应用表面电子探针（EPMA）对种植体表面的元素组成和元素化合状态进行分析：应用3D表面形貌仪在白光共聚焦扫描模式下对种植体表面粗糙度进行测试分析。并对两者的表面形貌、化学组分、表面粗糙度等指标进行比较分析。结果成功制备两种粗化的钛种植体表面。激光酸蚀联合纳米管表面的粗糙度大于SLA表面的粗糙度。激光酸蚀联合纳米管组：轮廓算术平方差Ra=（8．19±0．09）μm,轮廓各点高度均方根Rq=（10．64±2．10）μm,轮廓最大峰高度Rt=（43．42±6．18）μm;SLA组：Ra=（2．09±0．13）μm,Rq=（2．70±0．18）μm,Rt=（15．36±0．50）μm,两者统计学差异具有统计学意义（tRa=-16．709,tRq=-9．206,tRu=-10．178,P〈0．05）：激光酸蚀联合纳米管组的表面清洁;SLA组表面可见尖锐的边缘,散在的一些A12O3颗粒。结论采用激光酸蚀联合纳米管与SLA的钛表面处理方法均可以获得粗糙表面,前者较后者更为清洁规则．粗糙度更高,可控性更好。