移动电话及其基台有什么健康风险？
What are the health risks associated with mobile phones and their base stations?
问：移动电话及其基台有什么健康风险？
Q: What are the health risks associated with mobile phones and their base stations?
材料与方法：成品钛基台样本24个，随机均分四组。
Materials and methods: 24 titanium abutments were divided into 4 groups at random.
C组术后只安装愈合基台过渡，3个月后进行永久冠修复。
Group C installed only healing abutment as a transition, and made permanent crown restoration 3 months later.
随着基台和无线局域网络的数量增多，人们的射频接触也在增多。
As the number of base stations and local wireless networks increases, so does the RF exposure of the population.
其它影响：很少有研究调查个体接触基台的射频场对健康的一般影响。
Other effects: Few studies have investigated general health effects in individuals exposed to RF fields from base stations.
目的评价金合金、钛合金、镍铬合金和钛种植体基台在体外的腐蚀性能。
Objective To evaluate the corrosion behavior of Gold alloy, Titanium alloy, Ni-Cr alloy and ti implant abutment in vitro.
目的：评价ITI种植系统八角基台用于牙列缺损修复中的效果和优点。
Objective:To evaluate the clinical effect and advantages of ITI systems synOcta abutment forimplant-supported restoration in patients with defect of dentition.
目的：评估不同穿龈高度的基台对国人种植磁性覆盖总义齿性能的影响。
Objective: To study if the different high abutment of implants influence to magnetic overdentures of china people.
有些人报告在接触基台及其它电磁场装置产生的射频场之后出现非特异性症状。
Some individuals have reported that they experience non-specific symptoms upon exposure to RF fields emitted from base stations and other EMF devices.
世界范围内有140多万个基台，而且随着引进第三代技术，数量正在显著增多。
Over 1.4 million base stations exist worldwide and the number is increasing significantly with the introduction of third generation technology.
这种无线技术依靠使用射频(RF)信号传递信息的固定天线(即基台)的广泛网络。
This wireless technology relies upon an extensive network of fixed antennas, or base stations, relaying information with radiofrequency (RF) signals.
这些研究中使用的射频接触量比一般公众从基台或无线网络接触的量约高1000倍。
RF exposures used in these studies were about 1000 times higher than those associated with general public exposure from base stations or wireless networks.
癌症：关于移动电话基台周围发生成群癌症病例的媒体报道或传闻加大了公众的关注。
Cancer: Media or anecdotal reports of cancer clusters around mobile phone base stations have heightened public concern.
基台和无线网络造成的射频接触水平很低，因此体温上升不显著，并且不影响人体健康。
The levels of RF exposure from base stations and wireless networks are so low that the temperature increases are insignificant and do not affect human health.
摘要目的比较不同品牌的CAD/CAM氧化锆个性化基台与钛基之间的适合性。
Abstract : Objective To compare the marginal fit between CAD/CAM zirconia custom abutments of different brands and Ti-base.
摘要目的研究CAD/CAM个性化基台改善后牙区种植修复中食物嵌塞的临床效果。
Abstract : Objective To investigate the clinical effect of CAD/CAM custom abutment used in posterior region for improving food impaction.
摘要目的 初步探索种植修复基台就位疼痛的临床影响因素，并建立多元线性回归模型。
Abstract : Objective To explore the pain involved clinical factors during seating dental implant restoration abutments and establish a multivariable linear regression model.
另外，通过密封的基牙种植连接使基台转化为种植系统是保持颅颌骨骨性完整的必要过程。
Additional the use of a platform switched implant system with a sealed implant-abutment connection is essential to keep the crestal buccal bone.
由于无线网络与基台相比产生的射频信号一般较低，接触这些信号预计不会产生不良健康影响。
Since wireless networks produce generally lower RF signals than base stations, no adverse health effects are expected from exposure to them.
鉴于基台在环境中的广泛存在，应预见到可能的成群癌症病例在基台附近出现仅仅是出于偶然。
Given the widespread presence of base stations in the environment, it is expected that possible cancer clusters will occur near base stations merely by chance.
之所以能够做到这一点，是因为手术之前就已经知道种植体的精确位置并且结合新的指引性基台。
This is enabled since the exact location of the implants is known prior to surgery combined with the new guided abutment.
这是因为很难对基台发射的很低信号与环境中其它较高强度的射频信号分别造成的可能健康影响进行区分。
This is because of the difficulty in distinguishing possible health effects from the very low signals emitted by base stations from other higher strength RF signals in the environment.
基台和无线局域网络天线方面通常令人关注的一个问题涉及整个人体接触射频信号可造成的长期健康影响。
A common concern about base station and local wireless network antennas relates to the possible long-term health effects that whole-body exposure to the RF signals may have.
土壤表层水分的空间异质性程度（基台值）在采伐后呈下降趋势，但受到草本植被季节性生长的强烈影响；
Ammonium and nitrate changed complexed. Spatial heterogeneity for topsoil moisture decreased after harvesting, however, which was largely affected by the vegetation growth seasonally.
癌症：目前的科学证据表明，对射频场，诸如移动电话及其基台发射的射频场的接触不大可能引发或促发癌症。
Cancer: Current scientific evidence indicates that exposure to RF fields, such as those emitted by mobile phones and their base stations, is unlikely to induce or promote cancers.
组织工程学家了解到细胞外间质的重要性后，就一直在找寻一种理想的替代品，以做为活体组织生长的基台。
Aware of the importance of extracellular matrix, tissue engineers have long sought an ideal substitute to serve as a platform for growing living tissues.
事实上，由于频率较低，在射频接触水平相同的情况下，人体从调频收音机和电视吸收的信号比从基台吸收的信号要多四倍。
In fact, due to their lower frequency, at similar RF exposure levels, the body absorbs up to five times more of the signal from FM radio and television than from base stations.
对种植体轴向和颊舌向分别施加100N和30 N的力，评估皮质骨和松质骨的最大应力和种植体-基台复合体的最大位移。
The segments had the biomechanical properties of osteoporosis. 100 N and 30 N loads were applied along the implant axial(AX) and buccolingual(BL) directions respectively.
对种植体轴向和颊舌向分别施加100N和30 N的力，评估皮质骨和松质骨的最大应力和种植体-基台复合体的最大位移。
The segments had the biomechanical properties of osteoporosis. 100 N and 30 N loads were applied along the implant axial(AX) and buccolingual(BL) directions respectively.
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