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Adolescents with commonly occurring forms of malocclusion often are presumed to be at risk for negative selfesteem and social maladjustment.


Eight patients with moderate malocclusion were selected.


This study demonstrates that the masseteric silent period may be used as a diagnostic and prognostic support, before and after surgery for malocclusion.


The electrophysiological changes generated by malocclusion secondary to prognatism have been evaluated before and after maxillofacial corrective surgery in 14 patients aged between 18 and 36 years.


Malfunctions of the otolaryngeal system such as otitis media, upper respiratory obstruction, deafness, speech delay, and malocclusion are interrelated and can also lead to disabilities in communication and learning.

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 We took the total amount of the intake of fluorine by human bady as the standard in thisinvestigation so as to show the relationship between fluorine and malocclusion. The 566 pupils chosen for the study were from the area of dental fluorosis, and the incidence of mottledenamel in them was above 94 percent and the 877 pupils of were taken as control. 7 to 17 yearsof age whose incidence of mottled enamel was 20.63 percent. The results indicated that in the area of high incidence of mottled enamel the incidence... We took the total amount of the intake of fluorine by human bady as the standard in thisinvestigation so as to show the relationship between fluorine and malocclusion. The 566 pupils chosen for the study were from the area of dental fluorosis, and the incidence of mottledenamel in them was above 94 percent and the 877 pupils of were taken as control. 7 to 17 yearsof age whose incidence of mottled enamel was 20.63 percent. The results indicated that in the area of high incidence of mottled enamel the incidence ofmalocclusion was 33.39 percent, while the incidence of malocclusion in the control. was 48.57percent. Therefore, The incidence of malocclusion in area of dental fluorosis was obviously lower than that in the control area (p<0.01).  本调查是以人体总摄氟量为标准来了解氟与错的关系。对洛阳地区偃师县班釉率在94%以上的566名学生进行错调查,并以郑郊十八里河班釉率为20.63%的877名学生作为对照区。结果表明:班釉率高发区错发生率为33.39%,对照区为48.57,班釉牙高发区其错率明显低于对照区(P<0.01)。  [Objective] To investigate the prevalence rate and the related factors of the deafmute student's malocclusion in Xiamen, China. [Method] To investigate and analyze the malocclusion of the 270 deafmute students and the normal students. [Result] The prevalence rate of malocclusion was 60. 0% in the deafmute students (39. 3% for male and 20. 7% for female). The periods of permanent tooth was 42. 2% and the periods of mixed tooth was 17.8%; The prevalence rate of ankyloglossia was 8.2%; the... [Objective] To investigate the prevalence rate and the related factors of the deafmute student's malocclusion in Xiamen, China. [Method] To investigate and analyze the malocclusion of the 270 deafmute students and the normal students. [Result] The prevalence rate of malocclusion was 60. 0% in the deafmute students (39. 3% for male and 20. 7% for female). The periods of permanent tooth was 42. 2% and the periods of mixed tooth was 17.8%; The prevalence rate of ankyloglossia was 8.2%; the rate of short labial frenum was 6.7%. The rate of malocclusion in normal students was 62. 3%, ankyloglossia 6. 6% , and abnormity labial frenum 4. 8%. [Conclusions] The prevalence rates of the malocclusion, ankylogolossia and the abnormity labial frenum are no significant difference between two groups (P>0. 05) and they are not related with the deafmuteness. It is suggested that the malocclusion condition of the deafmute students should be concerned the same as the normal group.  [目的]了解厦门地区聋哑学生错畸形的患病情况及相关因素。[方法]对厦门聋哑学校270名学生与正常学生对照组同时进行错情况调查及分析。[结果]聋哑组错畸形患病率60.0％(其中男性占39.3％,女性占20.7％);恒牙期错殆率42.2％,替牙期错率17.8％,舌系带过短率8.2％,唇系带异常率6.7％。健康组错畸形患病率62.3％,舌系带过短率6.6％,唇系带异常率4.8％。[结论]两组错畸形、舌系带过短、唇系带异常率差异均无显著性(P>0.05)。唇舌系带过短、错畸形与聋哑残疾障碍无相关。聋哑群体的错畸形,应同样受到人们的重视和关注。  Objective: To study the state of congenital and hereditary diseases among the children at the age of 0  7 and the related factors in Zaozhuang city. Methods: The children at the age of 0  7 were randomly selected for three  grade screening of congenital and hereditary diseases from August to July in 2002. Results: 27105 children took the examination. Of the 1493 patients, 103 had two or more types of diseases. The number of male children was 1070, and the number of female children was 423. There were 101... Objective: To study the state of congenital and hereditary diseases among the children at the age of 0  7 and the related factors in Zaozhuang city. Methods: The children at the age of 0  7 were randomly selected for three  grade screening of congenital and hereditary diseases from August to July in 2002. Results: 27105 children took the examination. Of the 1493 patients, 103 had two or more types of diseases. The number of male children was 1070, and the number of female children was 423. There were 101 kinds of diseases in all. The disease incidence in poor areas was remarkably higher than that in the richer areas. The first 10 kinds of congenital and genetic disease influencing birth quality is as follows: inguinal hernia, preau ricular fistula, squint, mental retardation, congenital heart disease, hydrocele of tunicae vaginas, cryptorchidsm, filial ear, malocclusion, and external ear deformity. Conclusion: The incidence of birth defects in this area is relatively higher.  目的:了解山东省枣庄地区7岁以下儿童先天性和遗传性疾病发生情况及相关因素。方法:2002年78月份,采取抽查方式对样本点儿童进行遗传性疾病的三级筛查。结果:共筛查样本点儿童27 105人,患病1 493人,共101种疾病,同时患两种及以上疾病者103例。患病儿童中男性1 070人,女性423人,男女之比为2.35:1;经济状况较差者比经济状况好者发病率明显增高。影响婴儿出生质量的先天性与遗传性疾病前10位依次为:腹股沟疝、耳前瘘管、斜视、智力低下、先天性心脏病、鞘膜积液、隐睾症、子耳、错颌、外耳畸形。结论:本地区出生缺陷发病率较高,必须尽快实施出生缺陷干预。   << 更多相关文摘 
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