Fluorine is one of crucial chemical elements to human health and can be tested in almost every parts of a healthy human body. Overloading of fluorine may cause dental and/or skeletal fluorosis, while in fluorine deficiency areas, fluoride drinking water supply or other methods of fluoridation may greatly reduce the ratio of dental caries of local residents. Researches on relation between fluorine concentration in drinking water and the ratio of human dental caries as well as the evaluation on efficacy of drinking water fluoridation have been lasted for 6 decades.

中文題名中國部分城市和地區(qū)居民飲用水氟含量與口腔健康相關(guān)性研究副題名外文題名 A research on relation between fluorine concentration in drinking water and residents' dental health of some cities and areas in China 論文作者王濱濱導(dǎo)師鄭寶山學(xué)科專業(yè)地球化學(xué)研究領(lǐng)域\研究方向?qū)W位級(jí)別博士學(xué)位授予單位中國科學(xué)院地球化學(xué)研究所學(xué)位授予日期2003 論文頁碼總數(shù)103頁關(guān)鍵詞飲用水口腔健康氟中毒齲病飲用水館藏號(hào)BSLW /2003 /R123 /3 氟是人體必需的微量元素之一黄在线视频免费在线播放，正常人體各組織和器官都含有氟日韩精品网站网址在线看视频。

Methods we applied the improvement corah dental anxiety scale（DAS to investigate the patients at the clinic on dental anxiety,and screen 160 patients with anxiety, divide them into two groups at random, carry on the psychological intervention treatment and general treatment separately,then statistic the data.

采用改良的牙科焦慮量表(corah dental anxiety scale很很操很很爆操爆视视，DAS)對(duì)門診就診患者進(jìn)行牙科焦慮調(diào)查99熟妇，篩選出伴焦慮者160例，隨機(jī)分為兩組6080免费三级片，分別進(jìn)行心理誘導(dǎo)治療和一般治療欧美性逼，并對(duì)數(shù)據(jù)進(jìn)行統(tǒng)計(jì)分析人人靠人人干。

Methods: Before extraction, 100 patients were surveyed by a modified Corah Dental Anxiety Scale and Visual Anxiety Scale then the patients were classed into two groups: high dental anxiety groups and low dental anxiety groups.

術(shù)前對(duì)100例拔牙患者完成問卷，用改良的牙科焦慮量表(corah dental anxiety scale自拍偷拍欧美性爱视频， DAS)和類視力量表(visual anxiety scale在线观看鲁鲁鲁鲁， VAS)劃界分為高牙科焦慮組和低牙科焦慮組。

Results Dental CT software and three-dimensional reconstruction can display the overall view of jaw in implantation area; measure the height, width, bone density of the alveolar bone; demonstrate the relationship of alveolar bone and mandibular canal; and depict dentural spatial relation also.

結(jié)果 應(yīng)用Dental軟件及3D重建技術(shù)可以獲得擬種植區(qū)頜骨的全景形態(tài)50岁熟妇，局部牙槽骨的高度黄片一级性交aaa免费视频、寬度、骨質(zhì)密度及牙槽骨與下頜管及上頜竇的關(guān)系乱伦小说综合网，牙列的空間關(guān)系等特级片网站。

Both upper and lower dental study models were collected from 30 boys (12 years old) and 30 girls (12 years old) with acceptable normal occlusion to understand the characteristics of the crown size, dental arch width and length such as (1) mesiodistal diameters of crown size from central incisor to first molar,(2) the width and length of dental arch and basal arch and (3) the morphology of dental arch form. After statistical analysis, data were compared with Japanese, Central and South American Indians and North American Caucasians from papers. The results were:(1) There was no statistical difference in teeth size between males and females, except the upper first molar of males was larger than that of females, lower central incisor of males was smaller than that of females.(2) The dimensions of dental arch of males were larger than that of females in general, especially such items as width and length of basal arch.(3) The crown size of Chinese male was in generally smaller than that of four other races, especially the upper canine, lower central incisor and first molar.

為了解住在臺(tái)灣的中國人其牙齒的大小，齒列弓幅徑及形態(tài)国产论理精品在线，為齒科人類學(xué)上的特微26uuu网址，以期能對(duì)兒童牙科，齒顎矯正科之臨床及齒科基礎(chǔ)醫(yī)學(xué)能有所貢獻(xiàn)永久黄网免费看，抽取12歲學(xué)童男女各30名共60名亚洲区在线，可接受為正常咬合之上下顎齒列模型，測(cè)量其上下顎(1)左側(cè)正中門牙到第一大臼齒共計(jì)12顆恒牙之牙冠近遠(yuǎn)心徑先锋激情开心网，(2)齒列弓寬徑国产精品美女久久久网站大一红、長徑及齒槽基底寬徑、長徑久久精品久久av，(3)齒列弓之形態(tài)久久精品国产精品免费专区，以上資料經(jīng)統(tǒng)計(jì)分析作t-test檢定，并與諸學(xué)者對(duì)日本人99日逼网站、北美白人日韩精品一区二区三区在线播放、中美及南美印第安人人種的研究結(jié)果作檢討得知；(1)男女性恒牙的近遠(yuǎn)心徑無明顯差異妓女视频wwww，但男性上顎第大臼齒比女性者大亚洲片免费一级A片，下顎正中門牙比女性者小；(2)男性的齒列弓幅徑比女性者為大激情小说自拍视频，尤以齒槽基底寬徑及長徑最顯著黄色视频ⅹⅹxⅹ；(3)國人男子的牙齒近遠(yuǎn)心徑比其他四人種者為小，特別是國人的上顎犬齒黄污aaawww水视频，下顎正中門牙及第一大臼齒最小久久地址2015。

Objective To investigate the significance of mental intervention therapy on dental anxiety in adult with pulpitis.

目的 探討心理干預(yù)對(duì)成人牙髓炎患者牙科焦慮癥（dental anxiety，DA）治療的影響作用首页国产日韩欧美第一页。

Objective: To observe the clinical effects of shortened dental arch in the treatment of patients with periodontal disease and dentitions defect.

目的：將短牙弓（Shortened dental arch欧美特黄色视频，SDA）治療法應(yīng)用于修復(fù)牙周病患者的牙列缺損。

At abroad,dental health professionals related to dental care include dental hygienists,dental therapists,dental nurses and dental assistants.

在國外與口腔護(hù)理有關(guān)系的專業(yè)有口腔衛(wèi)生士人妻18p视频一区二区、口腔治療師亚洲无码一级在线视频、口腔護(hù)士和口腔助手等，職能有其特殊性国产一级特黄大片视频网站。

Abstract］ Dental support staff at home and abroad have different classifications.At abroad,dental health professionals related to dental care include dental hygienists,dental therapists,dental nurses and dental assistants.And all these dental professionals have their special functions.

口腔科輔助人員在國內(nèi)外的分類各有不同在國外與口腔護(hù)理有關(guān)系的專業(yè)有口腔衛(wèi)生士wwww.wwwww在线黄色视频、口腔治療師、口腔護(hù)士和口腔助手等AV可以看的免费网站，職能有其特殊性免费观看A级在线观看。

Although state regulations vary, some specific tasks dental assistants may perform include: assisting the dentist during a variety of treatment procedures; taking and developing dental radiographs; asking about the patient's medical history and taking blood pressure and pulse; serving as an infection control officer, developing infection control protocol and preparing and sterilizing instruments and equipment;helping patients feel comfortable before, during and after dental treatment; providing patients with instructions for oral care following surgery or other dental treatment procedures, such as the placement of a restoration; teaching patients appropriate oral hygiene strategies to maintain oral health;(e.g., tooth brushing, flossing and nutritional counseling); taking impressions of patients' teeth for study casts; performing office management tasks that often require the use of a personal computer; communicating with patients and suppliers (e.g., scheduling appointments, answering the telephone, billing and ordering supplies); and assisting with and helping to provide direct patient care in all dental specialties, including orthodontics, pediatric dentistry, periodontics and oral surgery.

雖然國家規(guī)定各不相同，一些具體工作牙醫(yī)助手可能會(huì)執(zhí)行包括：在協(xié)助處理程序的各種牙醫(yī)欧美一级高清免费播放；同時(shí)特黄视频，發(fā)展牙科X光；詢問病人的病史及服用降血壓和脈搏人人摸天天干；擔(dān)任感染控制人員亚洲在在线观看免费视频，發(fā)展infe ction控制協(xié)議，并編制和消毒儀器和設(shè)備天天色天天操综合，幫助患者感到舒服之前欧美ssxx，期間和之后，牙科治療国产麻豆日韩在线观看网站视频；提供口腔保健指導(dǎo)為病人手術(shù)后或其他牙科治療程序www.色一片，如恢復(fù)的位置，南非高清无码在线一级A片；教病人適當(dāng)?shù)目谇恍l(wèi)生戰(zhàn)略九1精品国产，以保持口腔衛(wèi)生；（例如激情综合第一页，刷牙久久久国产精品无码一区二区性色，使用牙線和營養(yǎng)咨詢）；考慮到病人的牙齒展示學(xué)習(xí)使人牙齒精品视频丝袜足j在线视频；執(zhí)行辦公室管理任務(wù)免费看网站免费看黄色，往往需要使用個(gè)人電腦免费性交免费性交A片；與病人溝通和供應(yīng)商（如：，安排約會(huì)海外高清在线A片视频，接電話免费看欧美强奸视频，計(jì)費(fèi)系統(tǒng)及訂單用品）亚洲啪啪网站；和協(xié)助和幫助国产在线观看无码免费Aa，提供直接的病人護(hù)理的牙科專業(yè)，包括矯正特级毛片A级毛片在线播放www，兒童牙科三级片人夭视频网站，牙周病和口腔外科。