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Arquivos do Centro de Estudos do curso de odontologia最新文献

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[Clinical case--squamous odontogenic tumor]. 【临床病例—牙源性鳞状肿瘤】。
Arquivos do Centro de Estudos do curso de odontologia Pub Date : 1990-01-01
A M Loyola, A de A Garrocho, E N Abdo, R S Gomez
{"title":"[Clinical case--squamous odontogenic tumor].","authors":"A M Loyola,&nbsp;A de A Garrocho,&nbsp;E N Abdo,&nbsp;R S Gomez","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The work proposes to report a case of Squamous Odontogenic Tumor describing all clinical, radiographic and histopathological findings. A review on literature discussing the tumor etiology is presented.</p>","PeriodicalId":77674,"journal":{"name":"Arquivos do Centro de Estudos do curso de odontologia","volume":"27 1-2","pages":"17-25"},"PeriodicalIF":0.0,"publicationDate":"1990-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"13289944","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
[Influence of positive pressure on gypsum bonded investments]. [正压力对石膏保税投资的影响]。
Arquivos do Centro de Estudos do curso de odontologia Pub Date : 1990-01-01
G M Vecchio, R R Vaz, A E Rocha, Z M Ferreira
{"title":"[Influence of positive pressure on gypsum bonded investments].","authors":"G M Vecchio,&nbsp;R R Vaz,&nbsp;A E Rocha,&nbsp;Z M Ferreira","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The work aims to investigate the influence of positive pressure to initial and final setting time, as well as the volume variation in course of the pressure carried out gypsum-bonded investment found at Dental Commerce. Seventy-six test samples were obtained, being five of them through conventional investing technique and seventy-one through technique by pressure. Gillmore needles were employed for determining the setting time, meanwhile for volumetric variation a mathematic formula had been applied. According to results, it was concluded that the use of positive pressure affected the initial and the final setting time and the volume after set.</p>","PeriodicalId":77674,"journal":{"name":"Arquivos do Centro de Estudos do curso de odontologia","volume":"27 1-2","pages":"63-73"},"PeriodicalIF":0.0,"publicationDate":"1990-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"13289952","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
[Determination of periodontal treatment needs in a population]. [人群牙周治疗需求的测定]。
Arquivos do Centro de Estudos do curso de odontologia Pub Date : 1990-01-01
J E da Costa, B Marcos
{"title":"[Determination of periodontal treatment needs in a population].","authors":"J E da Costa,&nbsp;B Marcos","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The present investigation was carried out to evaluate one index for checking needs for periodontal treatment in the population providing a wider evidence of the lesion since existing methods are not suitable or satisfactory and data are not available. 312 workmen aging 20 to 49 years were submitted to examination. It was concluded that the index studied was successful to detect with clearness the prevalence as well as severity degree and an evaluation of periodontal treatment needs.</p>","PeriodicalId":77674,"journal":{"name":"Arquivos do Centro de Estudos do curso de odontologia","volume":"27 1-2","pages":"39-48"},"PeriodicalIF":0.0,"publicationDate":"1990-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"13289947","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
[Histopathological study on the demineralized wall of suprabony periodontal pocket]. 颌骨上牙周袋脱矿壁的组织病理学研究。
Arquivos do Centro de Estudos do curso de odontologia Pub Date : 1990-01-01
A de A Garrocho, E E Lopes
{"title":"[Histopathological study on the demineralized wall of suprabony periodontal pocket].","authors":"A de A Garrocho,&nbsp;E E Lopes","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Histopathological study on thirty human gingiva fragments were carried out to check comparatively some pathological changes occurred at the vertent inward and external of the suprabony periodontal pocket as well as the intensity and nature of leukocyte infiltrate. After histologic prepare the material was analysed on optic microscope. The pathological changes observed were: vacuolar degeneration, hypertrophy-hyperplasia++, metaplasia (gingival sulcus epithelium keratinization), exulceration, ulceration and leucocyte infiltration.</p>","PeriodicalId":77674,"journal":{"name":"Arquivos do Centro de Estudos do curso de odontologia","volume":"27 1-2","pages":"27-38"},"PeriodicalIF":0.0,"publicationDate":"1990-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"13289945","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
[Denture stomatitis--presence of bacteria and yeasts]. [假牙口炎-细菌和酵母的存在]。
Arquivos do Centro de Estudos do curso de odontologia Pub Date : 1990-01-01
A E Jorge, L Z Broglio, O P de Almeida, J Jorge Júnior
{"title":"[Denture stomatitis--presence of bacteria and yeasts].","authors":"A E Jorge,&nbsp;L Z Broglio,&nbsp;O P de Almeida,&nbsp;J Jorge Júnior","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The presence of yeasts and bacteria was studied in 26 patients with denture stomatites, and the results compared with the data of the normal mucosa foi edentoulous patients, who used or not upper dentures. The use of dentures caused an increase in the amount of yeasts, and there was a correlation with the severity of the stomatitis. Gram positives cocci and bacilus predominated in all studied groups, but in cases of stomatitis there was an increase in the amount of Gram negative cocci and filamentous. These results suggest that besides yeasts, modifications of the bacteria flora can be relevant for the development of denture stomatitis.</p>","PeriodicalId":77674,"journal":{"name":"Arquivos do Centro de Estudos do curso de odontologia","volume":"27 1-2","pages":"9-15"},"PeriodicalIF":0.0,"publicationDate":"1990-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"13289953","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
[Evaluation of cervical gaps in complete metal crowns cast in alternative silver-tin alloys. Relationship to investing techniques]. 银锡合金铸造全金属冠颈间隙的评价。与投资技巧的关系]。
Arquivos do Centro de Estudos do curso de odontologia Pub Date : 1990-01-01
G M Vecchio, E Pretti, R R Vaz, O Zaniquelli
{"title":"[Evaluation of cervical gaps in complete metal crowns cast in alternative silver-tin alloys. Relationship to investing techniques].","authors":"G M Vecchio,&nbsp;E Pretti,&nbsp;R R Vaz,&nbsp;O Zaniquelli","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The purpose of this study was to evaluate cervical mistifing of casting full metal crowns according to investment techniques using commercial available alloys made from silver stannum. Fifteen metal full crowns were obtained through stainless steel die with full crowns preparation, included into three groups as follows: conventional technique, vacuum technique and pressure technique. Readings of cervical disagreement were made through a comparing microscope increased 45 x and each crown was measured in 4 different regions (vestibular, lingual mesial and distal). This way it was verified which of the techniques proposed would balance the casting shrinkage for the silver-stannum alloy used. From the results obtained we conclude that the best cercical adaptation was the one got through pressure technique.</p>","PeriodicalId":77674,"journal":{"name":"Arquivos do Centro de Estudos do curso de odontologia","volume":"27 1-2","pages":"49-61"},"PeriodicalIF":0.0,"publicationDate":"1990-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"13289950","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
[Epithelial remnants in the capsule of dentigerous cysts]. [含牙囊肿囊内的上皮残余]。
Arquivos do Centro de Estudos do curso de odontologia Pub Date : 1988-01-01
A de A Garrocho, A M Loyola, R S Gomez, H de S Figueiredo
{"title":"[Epithelial remnants in the capsule of dentigerous cysts].","authors":"A de A Garrocho,&nbsp;A M Loyola,&nbsp;R S Gomez,&nbsp;H de S Figueiredo","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The authors studied 15 cases of dentigerous cysts presenting epithelial remnants in their capsule. Epithelial proliferation, mineralizations and squamous metaplasia and ameloblastomathoid differentiation were observed and analysed in relation to aging and localization. Neoplasic potentiality of the epithelial remnants were discussed and a new denomination were suggested to those lesions that presented ameloblastomathoid differentiation.</p>","PeriodicalId":77674,"journal":{"name":"Arquivos do Centro de Estudos do curso de odontologia","volume":"25-26 1-2","pages":"53-60"},"PeriodicalIF":0.0,"publicationDate":"1988-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"14211049","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
[Prevalence of caries in first permanent molars in students living in regions with and without fluoridated drinking water (comparative study based on clinical and radiographic examinations)]. [饮用水含氟和不含氟地区学生第一恒磨牙龋齿患病率(基于临床和放射检查的比较研究)]。
Arquivos do Centro de Estudos do curso de odontologia Pub Date : 1988-01-01
T S Lopes, M L Parreira, P V de Carvalho
{"title":"[Prevalence of caries in first permanent molars in students living in regions with and without fluoridated drinking water (comparative study based on clinical and radiographic examinations)].","authors":"T S Lopes,&nbsp;M L Parreira,&nbsp;P V de Carvalho","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>To analyze the prevalence of dental caries by means of the DMF-S index and verify their distribution on the occlusal, buccal, lingual, mesial and distal surfaces using the intrabuccal interproximal technique, this comparative study included a sample of 360 seven to twelve year old boys and girls, without distinction of race, from the low social-economic class who, since birth, have lived in the cities of Teresina and Barras located in the state of Piauí in Brazil. The average level of fluor in first; city's public water supply is 0.68 ppm, while the second city lacks this halogen. A statistical analysis of the results verified that children in Teresina presented a DMF-S index 26.10% less than the children in Barras. The \"T\" Test of Student was significant for the seven, eight, nine, 10, and 12 years olds and for the sample as a whole in Teresina as well as for the types of surfaces regardless of age and sex. Children in the same community showed no significant difference when analyzed according to sex. In the two communities, the annual increase of the DMF-S index for all ages shows the cumulative and progressive aspect of dental caries; however, the increase was less in the city with fluoridated water.</p>","PeriodicalId":77674,"journal":{"name":"Arquivos do Centro de Estudos do curso de odontologia","volume":"25-26 1-2","pages":"12-21"},"PeriodicalIF":0.0,"publicationDate":"1988-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"14403329","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
[Morphometric determination of changes in mastocyte population in cutaneous wound granulation tissue in hypothyroid and parotidectomized rats]. [形态计量学测定甲状腺功能减退和腮腺切除大鼠皮肤伤口肉芽组织中肥大细胞群的变化]。
Arquivos do Centro de Estudos do curso de odontologia Pub Date : 1988-01-01
T M Vieira, G Matheus
{"title":"[Morphometric determination of changes in mastocyte population in cutaneous wound granulation tissue in hypothyroid and parotidectomized rats].","authors":"T M Vieira,&nbsp;G Matheus","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The authors have done a morphometric study by determination of mastocyte population of cutaneous wound's granulation tissue of parotidectomized rats and rats which were submitted to daily administration of 25 mg of 6-propyl-2-thiouracil (hypothyroid). The animals were sacrificed after four, eight and 12 post-operative days. The results analysis permitted to observe a statistically significant diminution of mastocyte population in the hypothyroid and parotidectomized animals granulation tissue in the fourth and 12th postsurgical days.</p>","PeriodicalId":77674,"journal":{"name":"Arquivos do Centro de Estudos do curso de odontologia","volume":"25-26 1-2","pages":"22-7"},"PeriodicalIF":0.0,"publicationDate":"1988-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"14403331","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
[Hydroalcoholic, prophylenic, hydropropylenic and glycerinated solutions of PMCF. Their use in endodontics. "In vitro" and "in vivo" study]. PMCF的hydroalcohol, prophylenic, hydropropyic and glycerinated溶液。它们在牙髓学中的应用。“体外”和“体内”研究]。
Arquivos do Centro de Estudos do curso de odontologia Pub Date : 1988-01-01
A B do Couto, G R de Melo
{"title":"[Hydroalcoholic, prophylenic, hydropropylenic and glycerinated solutions of PMCF. Their use in endodontics. \"In vitro\" and \"in vivo\" study].","authors":"A B do Couto,&nbsp;G R de Melo","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>This work aims to test the efficiency of hand instrumentation allied to paramonochlorophenol dressing in cases of pulp necrosis, when this substance is diluted in water and alcohol, propylenoglicol and glycerin. Superficial pression and pH were verified to test them afterwards facing to bacteria that could be found in infected root canals and avaible to study in our bacteria lab. Solution more effective \"in vitro\" and of less cytotoxicity \"in vivo\" were selected to be employed in patients from the Dental Clinics at School of Dentistry--Federal University of Minas Gerais. It was concluded that: 1. the relationship between cytotoxicity and bacterial activity was proportionally the reverse to superficial pression, except to Hydropropylenic solution of PMCF 5% and 10%; 2. in the study with patients (40 cases) the growth anaerobic microorganisms were present in 97.5% of examined teeth; 3. from solutions used for intracanal dressing hydroalcoholic solution of PMCF at 5% was the on which showed more effectiveness; 4. studies must be carried out on glycerin solution of PMCF, to turn viable its employment in Endodontia.</p>","PeriodicalId":77674,"journal":{"name":"Arquivos do Centro de Estudos do curso de odontologia","volume":"25-26 1-2","pages":"35-42"},"PeriodicalIF":0.0,"publicationDate":"1988-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"14403279","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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