1、tooth wear is defined as the loss of the tooth substance which is not caused by dental plague, caries and injuries.(牙齒磨損是指在沒有菌斑、齲壞及外傷情況下牙體組織喪失的現(xiàn)象。)
2、This product is extracted from the aloe plant essence, fragrance aroma, taste unique, and the election Abrasive formula with high-grade silicon, reduction of tooth surface wear.(本產(chǎn)品從蘆薈中提取植物精華素，馥郁芳香，口感獨(dú)特，并選用高檔硅磨料配方，減少牙齒表面磨損。)
3、AIM: to study the correlation betweentooth wear and age as well as gender by investigating the state of averagetooth wear on incisal and occlusion surfaces in general population.(目的：通過調(diào)查普通人群牙齒切緣及咬面的磨耗情況，研究牙齒磨耗與年齡和性別的關(guān)系。)
4、This paper introduces the methods of diagnosing the tooth-wear through the spectrum analysis of gear noise.(本文探討了用齒輪噪聲頻譜分析來診斷齒輪磨損程度的方法。)
5、Gear tooth thickness at the site are unilateral wear, so gear can be rotated 180 degrees to use.(齒輪在齒厚部位都是單側(cè)磨損，所以可將齒輪翻轉(zhuǎn)180度使用。)
6、The first molar has the most serioustooth wear and the third molar was the lightest.(第一磨牙的磨耗程度最重，第三磨牙的磨耗程度最輕。)
7、This means that wear is evenly distributed over the gears since each tooth on one gear touches on the other gear the same number of times.(這就意味著，由于一支齒輪上的每一個(gè)齒面將與另一個(gè)齒輪的齒面接觸相同的次數(shù)，因此磨損面均勻的分布于齒輪的每一個(gè)齒上。)
8、Conclusion: Severetooth wear lead to abnormal mandibular maximum excursions.(結(jié)論：牙齒重度磨耗導(dǎo)致異常的下頜邊緣運(yùn)動(dòng)。)
9、By 3-5 years: All teeth may have tartar build-up and sometooth wear.(5歲，所有的牙齒上都有牙垢，一些牙發(fā)生磨損。)
10、tooth wear is popularly found in dental clinical practice.(牙齒磨耗臨床十分常見。)
11、Conclusion the 3-d computer assistant measure system can exactly accomplish the clinicaltooth wear measurement.(結(jié)論：自行開發(fā)研制的計(jì)算機(jī)三維輔助測量法可以較精確、快速地實(shí)現(xiàn)牙磨耗量的測定。)
12、Special brass synchronizer tooth ring wear ability is poor in using.(特種黃銅同步器齒環(huán)在應(yīng)用中耐磨性差。)
13、The parabolic gear is characterized by a new-type tooth profile, which may ensure very great load rating and fairly good unyielding, anti-sticking and wear - resisting properties.(拋物線齒輪是我們新近研究出來的一種新齒廊，它具有很高的抗接觸、抗彎曲、抗膠合與抗磨損的能力。)
14、Gear tooth face serious wear new gear should be changed, if only gear at both ends of the plane wear, can be in surface grinding machine on grinding repair light.(齒輪齒面嚴(yán)重磨損時(shí)應(yīng)更換新齒輪，如果只是齒輪的兩端平面磨損，可在平面磨床上磨削修光。)
15、To explore the effect of high fluoride and low protein on tooth development and clarify the mechanism of excessivetooth wear, and decalcification of incisors were researched by SEM.(為了探索高氟低蛋白對(duì)牙齒發(fā)育的影響，闡明牙齒過度磨損的機(jī)理，應(yīng)用掃描電鏡對(duì)第一、二切齒脫鈣前的礦化及脫鈣后的基質(zhì)結(jié)構(gòu)作了觀察。)
16、Conclusions: the 3-d computer assistant measure system can accomplish the analysis and measurement to thetooth wear, and further research in clinical application is required.(結(jié)論：該系統(tǒng)能進(jìn)行牙磨耗圖像的三維分析計(jì)算，其臨床廣泛的推廣應(yīng)用還有待于進(jìn)一步研究。)
17、The distribution of engaging efficiency, EHD oil film thickness and tooth face wear and their changes along with transmission parameters are presented.(給出了超環(huán)面行星蝸桿傳動(dòng)嚙合效率、齒面磨損量和彈流油膜厚度的分布規(guī)律及其隨傳動(dòng)參數(shù)的變化規(guī)律。)
18、Result:The wear of acrylic resin tooth was greatest when against porcelain and then followed with composite resin and acrylic resin.(結(jié)果：丙烯酸樹脂牙牙尖磨耗度由大到小分別為：陶瓷、復(fù)合樹脂、丙烯酸樹脂。)
19、Methods The diagnosis and treatment process of 23 patients with dentition defect and severetooth wear was retrospectively analysed.(方法對(duì)23例牙列缺損伴重度磨耗患者的臨床診治過程進(jìn)行回顧性分析。)
20、Steel tooth bit can increase the bit's stability and lower the tooth impact load, and enhance its wear resistance.(鋼齒牙輪鉆頭增強(qiáng)了工作的平穩(wěn)性，降低了牙齒的沖擊載荷，使牙輪鉆頭的耐磨性能得到提高；)
21、Further study on the correlation was provided that the changes of vibration signal were more sensitive than the changes of wear when the tooth surfaces of the gear broke down.(進(jìn)一步關(guān)系研究發(fā)現(xiàn)，齒面發(fā)生故障時(shí)，相比磨損故障變化，振動(dòng)信號(hào)反映故障的變化更敏感。)
22、Results: the stresses on the surface of the condyle increased obviously as thetooth wear aggravated.(結(jié)果：隨著磨耗程度的加重，髁狀突表面的應(yīng)力增加較多。)
23、This work is a clinical case report of a patient presenting with markedtooth wear in all teeth, a reduction in the vertical dimension of occlusion, and fatigue in the muscles of mastication.(這項(xiàng)工作是一個(gè)在所有牙齒明顯牙齒磨損，在咬合垂直距離減少病人的臨床癥狀的情況提出報(bào)告，并在咀嚼的肌肉疲勞。)
24、Poor tooth brushing techniques can harm your teeth - if you really scrub your teeth too hard, you will wear the sides of your teeth down, leaving V-shaped defects near the gum margins.(不恰當(dāng)?shù)乃⒀婪椒〞?huì)損害牙齒，如果你真的太用力刷牙，就會(huì)磨損牙齒邊緣，在牙齦緣附近形成V字形缺口。)
25、Objective: to study the influence of severetooth wear on mandibular maximum excursions.(目的：研究牙齒重度磨耗對(duì)下頜邊緣運(yùn)動(dòng)的影響。)
26、Failure mode of tooth surface is varied such as teeth surface pitting, teeth wear, teeth bonding and teeth plastic deformations and so on.(齒面常見的失效形式有齒面點(diǎn)蝕、齒面磨損、齒面膠合和齒面塑性變形等。)
27、The tooth enamel is softened by the acid and brushing straight after will wear the teeth down.(酸性物質(zhì)會(huì)軟化牙釉質(zhì)，立即刷牙會(huì)磨損牙齒。)
28、Confined by the operation condition, intra-oral measurement can't make a precise result oftooth wear in a period.(而口內(nèi)測量由于操作的限制，很難實(shí)現(xiàn)對(duì)一定時(shí)期內(nèi)牙磨耗量的精確測量。)
