Bulletin of Tokyo Dental College最新文献_第6页

Relationship between Orthodontic Treatment Plan and Goslon Yardstick Assessment in Japanese Patients with Unilateral Cleft Lip and Palate: One-stage vs. Two-stage Palatoplasty. 日本单侧唇腭裂患者正畸治疗方案与Goslon量表评估的关系:一期与二期腭裂。

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Bulletin of Tokyo Dental College Pub Date : 2016-01-01 DOI: 10.2209/tdcpublication.2016-0700

Takenobu Ishii, T. Sakamoto, Munetada Ishikawa, Toshihiko Yasumura, H. Miyazaki, K. Sueishi

{"title":"Relationship between Orthodontic Treatment Plan and Goslon Yardstick Assessment in Japanese Patients with Unilateral Cleft Lip and Palate: One-stage vs. Two-stage Palatoplasty.","authors":"Takenobu Ishii, T. Sakamoto, Munetada Ishikawa, Toshihiko Yasumura, H. Miyazaki, K. Sueishi","doi":"10.2209/tdcpublication.2016-0700","DOIUrl":"https://doi.org/10.2209/tdcpublication.2016-0700","url":null,"abstract":"The present study targeted patients with unilateral cleft lip and palate (UCLP) undergoing either one - (Wardill technique) or two-stage palatoplasty (Perko technique). Correlations between Goslon Yardstick scores and orthodontic appliances used and whether an osteotomy was performed were investigated. No differences were observed between the two types of palatoplasty in terms of Goslon Yardstick scores. A palatal expander and protraction facemask were used in Phase I of orthodontic treatment. The palatal expander was selected for most patients with UCLP in Phase I, regardless of the surgical technique used. A protraction facemask was used in patients undergoing the Wardill procedure who had a Goslon Yardstick score placing them in Group 3 or 4. In contrast, a protraction facemask was used in patients undergoing the Perko procedure who had a Goslon Yardstick score placing them in Group 4. No significant differences were observed in the Goslon Yardstick scores yielded by either type of procedure. The Goslon Yardstick score in relation to whether an osteotomy was performed in Phase II as part of orthodontic treatment was determined, focusing on the relationship between that score and the palatoplasty method used. A protraction facemask was used in patients undergoing the Perko procedure, which eliminated the need for an osteotomy at a future date. However, a protraction facemask was also used in patients undergoing the Wardill option, and those patients were likely to require an osteotomy. In other words, the results suggest that the type of palatoplasty selected will determine the effectiveness of any orthodontic appliances used.","PeriodicalId":45490,"journal":{"name":"Bulletin of Tokyo Dental College","volume":"57 3 1","pages":"159-68"},"PeriodicalIF":0.5,"publicationDate":"2016-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.2209/tdcpublication.2016-0700","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"68185376","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: 2

Cutaneous Sinus Tract from Mandibular Second Molar with C-shaped Canal System and Improper Former Root Canal Treatment: A Case Report. 下颌第二磨牙皮肤窦道合并c型根管系统及前根管治疗不当1例。

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Bulletin of Tokyo Dental College Pub Date : 2016-01-01 DOI: 10.2209/tdcpublication.2015-0038

M. Gharechahi, P. Dastmalchi

引用次数: 1

Influence of Lifestyle Factors on Risk of Dental Caries among Children Living in Urban China. 生活方式因素对中国城市儿童龋病风险的影响

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Bulletin of Tokyo Dental College Pub Date : 2016-01-01 DOI: 10.2209/tdcpublication.2016-0400

Taeko Kanemoto, Hiroki Imai, Atsuo Sakurai, Hongwei Dong, Sizhen Shi, M. Yakushiji, S. Shintani

{"title":"Influence of Lifestyle Factors on Risk of Dental Caries among Children Living in Urban China.","authors":"Taeko Kanemoto, Hiroki Imai, Atsuo Sakurai, Hongwei Dong, Sizhen Shi, M. Yakushiji, S. Shintani","doi":"10.2209/tdcpublication.2016-0400","DOIUrl":"https://doi.org/10.2209/tdcpublication.2016-0400","url":null,"abstract":"The prevalence of dental caries has been decreasing among kindergarten children in Shanghai, China, over recent years, although it still remains at an unacceptably high level. The purpose of this study was to identify which factors were important in providing oral health guidance and achieving further improvement in the oral health status of kindergarten children in urban China. A survey was conducted on dental caries in 128 Japanese and 368 Chinese kindergarten children and a questionnaire given to their parents/guardians on each child's lifestyle and dietary habits from birth to the present. Correlations between responses to each questionnaire item and the status of dental caries were statistically analyzed. The dft index score (p=0.0016), prevalence of dental caries (p=0.0002), and percentages of children with decayed (untreated caries-affected) teeth (p<0.0001) were significantly higher in the Chinese than in the Japanese children. Many differences were observed in lifestyle factors between the two groups. The percentage of parents failing to control the child's snacking habits between meals was higher in China, and weaning was significantly delayed in China compared with in Japan. These lifestyle factors were considered to be associated closely with the high risk of dental caries in Chinese kindergarten children. These findings indicate that oral health guidance for kindergarten children in Shanghai, China, should focus on control of dietary habits, including control of inter-meal snacking, and breastfeeding practices. The results of this study may help improve the status of dental caries among Chinese children.","PeriodicalId":45490,"journal":{"name":"Bulletin of Tokyo Dental College","volume":"57 3 1","pages":"143-57"},"PeriodicalIF":0.5,"publicationDate":"2016-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.2209/tdcpublication.2016-0400","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"68185764","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: 7

Application of 17% EDTA Enhances Diffusion of (45)Ca-labeled OH(-) and Ca(2+) in Primary Tooth Root Canal. 应用17% EDTA增强(45)Ca标记的OH(-)和Ca(2+)在主牙根管内的扩散

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Bulletin of Tokyo Dental College Pub Date : 2016-01-01 DOI: 10.2209/tdcpublication.57.21

M. Ximenes, Carolina Mayumi Cavalcanti Taguchi, T. C. Triches, N. Sartori, Luís Alberto Pereira Dias, E. B. de Araújo, M. Cardoso

{"title":"Application of 17% EDTA Enhances Diffusion of (45)Ca-labeled OH(-) and Ca(2+) in Primary Tooth Root Canal.","authors":"M. Ximenes, Carolina Mayumi Cavalcanti Taguchi, T. C. Triches, N. Sartori, Luís Alberto Pereira Dias, E. B. de Araújo, M. Cardoso","doi":"10.2209/tdcpublication.57.21","DOIUrl":"https://doi.org/10.2209/tdcpublication.57.21","url":null,"abstract":"Proper cleaning of the root canal is key to the success of endodontic treatment as it allows more effective diffusion of medication throughout the dentinal tubules. The aim of this in vitro study was to investigate the efficacy of 17% ethylenediaminetetraacetic acid (EDTA) in enhancing diffusion of hydroxyl (OH(-)) and calcium ions (Ca(2+)) throughout the root canal in primary teeth. The canals of 25 primary tooth roots were cleaned with endodontic files and 1% sodium hypochlorite. Three groups (G) were then established: GI, in which final irrigation was performed with 1% sodium hypochlorite; GII, in which 17% EDTA was used; and GIII, in which no irrigation was performed. The roots canals in GI and GII were filled with a calcium hydroxide-based paste labeled with the radioisotope calcium-45. Diffusion of OH(-) was detected with pH strips and Ca(2+) analyzed by measuring radioactivity in counts per min. Group II differed statistically from the other groups in diffusion of OH(-) at 24 hr (p<0.05), but no significant difference among groups was found at the day 7 evaluation; GII also differed statistically from the other groups in diffusion of Ca(2+) at 24 hr (p<0.05). These results suggest that application of 17% EDTA in primary tooth enhances diffusion of OH(-) and Ca(2+).","PeriodicalId":45490,"journal":{"name":"Bulletin of Tokyo Dental College","volume":"57 1 1","pages":"21-7"},"PeriodicalIF":0.5,"publicationDate":"2016-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.2209/tdcpublication.57.21","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"68186952","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

Radix Entomolaris: A Report of Two Cases. 昆虫根附2例报告。

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Bulletin of Tokyo Dental College Pub Date : 2016-01-01 DOI: 10.2209/tdcpublication.2015-0027

Dakshita Joy affSinha, Sunita Mahesh, Natasha Jaiswal, A. Vasudeva

引用次数: 6

Analysis of Needlestick and Similar Injuries over 10 Years from April 2004 at Tokyo Dental College Chiba Hospital. 东京牙科大学千叶医院2004年4月10年来针刺及类似伤的分析。

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Bulletin of Tokyo Dental College Pub Date : 2016-01-01 DOI: 10.2209/tdcpublication.2015-0036

K. Morinaga, Keiko Hagita, T. Yakushiji, H. Ohata, K. Sueishi, Takashi Inoue

{"title":"Analysis of Needlestick and Similar Injuries over 10 Years from April 2004 at Tokyo Dental College Chiba Hospital.","authors":"K. Morinaga, Keiko Hagita, T. Yakushiji, H. Ohata, K. Sueishi, Takashi Inoue","doi":"10.2209/tdcpublication.2015-0036","DOIUrl":"https://doi.org/10.2209/tdcpublication.2015-0036","url":null,"abstract":"Here we investigated needlestick and similar injuries reported over a 10-year period between April 2004 and March 2014. The purpose of this study was to prevent recurrence and reduce the incidence of such injuries at Tokyo Dental College Chiba Hospital. The Division of Medical Risk Management at Chiba Hospital anonymized the data to protect personal information prior to analysis. A total of 213 injuries occurred over the 10-year period investigated, but the number of cases decreased yearly. Many cases involved dental undergraduate students and dentists, followed by trainee dentists, students at the school of dental hygiene, nurses, dental hygienists, and cleaners. Suture needles, followed by injection needles, were the top two most common injury-causing instruments, contributing to approximately 50% of the total number of such cases. Many injection needle injuries occurred during tidying up, while those caused by suture needles occurred during dental treatment. Taken together, these findings suggest the importance of strict adherence to guidelines provided in safety manuals on error-free procedures and handling of instruments. Improvement in the ability to sense potential risk is essential if such injuries are to be avoided.","PeriodicalId":45490,"journal":{"name":"Bulletin of Tokyo Dental College","volume":"57 4 1","pages":"299-305"},"PeriodicalIF":0.5,"publicationDate":"2016-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.2209/tdcpublication.2015-0036","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"68185574","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: 7

Relationship between Obstructive Sleep Apnea and Self-assessed Oral Health Status: An Internet Survey. 阻塞性睡眠呼吸暂停与自我评估口腔健康状况的关系:一项网络调查。

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Bulletin of Tokyo Dental College Pub Date : 2016-01-01 DOI: 10.2209/tdcpublication.2016-1000

Seitaro Suzuki, Y. Kojima, A. Takayanagi, K. Yoshino, Y. Ishizuka, R. Satou, N. Takahashi, M. Tazaki, H. Kamijo, N. Sugihara

{"title":"Relationship between Obstructive Sleep Apnea and Self-assessed Oral Health Status: An Internet Survey.","authors":"Seitaro Suzuki, Y. Kojima, A. Takayanagi, K. Yoshino, Y. Ishizuka, R. Satou, N. Takahashi, M. Tazaki, H. Kamijo, N. Sugihara","doi":"10.2209/tdcpublication.2016-1000","DOIUrl":"https://doi.org/10.2209/tdcpublication.2016-1000","url":null,"abstract":"The purpose of this study based on a cross-sectional internet survey was to investigate the relationship between risk of obstructive sleep apnea (OSA) and self-assessed oral health status. The participants, who comprised individuals registered with an online research company, were required to complete a self-reported questionnaire. Those answering in the affirmative to both of the following two questions were placed in the OSA-risk group, while those answering in the negative were assigned to the control group: 'Have other people noticed pauses in your breathing while you are sleeping?' and 'Do you feel excessively sleepy during the daytime?'. A total of 493 were included in the OSA-risk group and 2,560 in the control group. Among the total 3,053 respondents, the highest prevalence for OSA risk in men was in the 50-59-year age range, although this tended to level off after age 60 years. No such trend was observed in women, however. Multiple logistic regression analysis was performed to identify the relationship between risk of OSA and self-assessed oral health status. Significant correlations were observed with the following parameters: difficulty in opening mouth (odds ratio [OR]: 2.66; 95% confidence interval [CI]: 1.647-4.311), dry mouth (OR: 2.11; CI: 1.544-2.876), bad breath (OR: 1.69; CI: 1.309-2.186), gingival bleeding (OR: 1.48; CI: 1.134-1.932), and gingival swelling (OR: 1.44; CI: 1.046-1.981). These results suggest a relationship between risk of OSA and self-assessed oral health status, indicating that treating OSA might improve oral health status. Further study is needed to demonstrate a causal relationship between OSA and self-assessed oral health status, however.","PeriodicalId":45490,"journal":{"name":"Bulletin of Tokyo Dental College","volume":"57 3 1","pages":"175-81"},"PeriodicalIF":0.5,"publicationDate":"2016-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.2209/tdcpublication.2016-1000","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"68185692","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: 5

Endodontic Management of Maxillary First Molar with Five Root Canals, Including Two Distobuccal Root Canals: A Case Report. 上颌第一磨牙5根管(含2根分布根管)的根管治疗1例。

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Bulletin of Tokyo Dental College Pub Date : 2016-01-01 DOI: 10.2209/tdcpublication.57.37

D. Sinha, A. Sinha, P. Prakash, Natasha Jaiswal

引用次数: 0

Antimicrobial Susceptibility of Microorganisms Isolated from Periapical Periodontitis Lesions. 根尖周炎病原菌的抗菌敏感性研究。

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Bulletin of Tokyo Dental College Pub Date : 2016-01-01 DOI: 10.2209/tdcpublication.2015-0018

M. Narita, T. Shibahara, N. Takano, Rie Fujii, K. Okuda, K. Ishihara

{"title":"Antimicrobial Susceptibility of Microorganisms Isolated from Periapical Periodontitis Lesions.","authors":"M. Narita, T. Shibahara, N. Takano, Rie Fujii, K. Okuda, K. Ishihara","doi":"10.2209/tdcpublication.2015-0018","DOIUrl":"https://doi.org/10.2209/tdcpublication.2015-0018","url":null,"abstract":"Periapical periodontitis usually results from microbial infection, with these microorganisms occasionally migrating to the root canal, which can lead to further, potentially life-threatening, complications. Here, the susceptibility of 27 bacterial strains to various antimicrobial agents was evaluated. These strains comprised 13 species; 16 of the strains were clinical isolates from periapical lesions. Each strain was inoculated onto blood agar plates containing one of the antimicrobial agents. The plates were incubated anaerobically at 37°C for 96 hr and the minimal inhibitory concentrations (MICs) determined. Ten strains required an MIC of 32 μg/ml or greater for amoxicillin, 6 for cefmetazole, and 5 for cefcapene among β-lactam antibiotics; 8 strains required an MIC of 32 μg/ml or greater for clindamycin, 4 for azithromycin, and 11 for clarithromycin among macrolide antibiotics; 3 strains required an MIC of 32 μg/ml or greater for ciprofloxacin and 2 for ofloxacin among fluoroquinolones. The effect of cefcapene on 5 strains was evaluated after biofilm formation to investigate the relationship between biofilm formation and susceptibility. All strains showed a decrease in susceptibility after biofilm formation. The results revealed that several antimicrobial agents commonly used in a clinical setting, including amoxicillin, cefmetazole, and clindamycin, are potentially effective in the treatment of orofacial odontogenic infections. The development of resistant strains, however, means that this can no longer be guaranteed. In addition, azithromycin, ciprofloxacin, and ofloxacin were more effective than the 3 β-lactam antibiotics tested. These results suggest that sensitivity testing is needed if odontogenic infections are to be treated safely and effectively.","PeriodicalId":45490,"journal":{"name":"Bulletin of Tokyo Dental College","volume":"57 3 1","pages":"133-42"},"PeriodicalIF":0.5,"publicationDate":"2016-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.2209/tdcpublication.2015-0018","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"68185236","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: 11

Post-treatment Stability in Angle Class III Cases. 角III类病例的治疗后稳定性。

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Bulletin of Tokyo Dental College Pub Date : 2016-01-01 DOI: 10.2209/tdcpublication.57.29

Jun Yoshizumi, K. Sueishi

{"title":"Post-treatment Stability in Angle Class III Cases.","authors":"Jun Yoshizumi, K. Sueishi","doi":"10.2209/tdcpublication.57.29","DOIUrl":"https://doi.org/10.2209/tdcpublication.57.29","url":null,"abstract":"The purpose of this study was to compare post-treatment stability in Angle Class III cases grouped by treatment modality into extraction, non-extraction, or surgical. Twenty-seven Angle Class III patients (9 men, 18 women) were selected from among the records of qualified retention cases treated at the Department of Orthodontics, Tokyo Dental College. The patients were divided into the following groups: Group 1, extraction (n=10); Group 2, non-extraction (n=9); and Group 3, surgery (n=8). Lateral cephalograms, panoramic X-rays, and study casts were obtained at baseline (T0), after active treatment (T1), and after retention (T2). The ABO Model Grading System (ABO) and Gottlieb's Grading Analysis (GGA) were used as indices of occlusion, and the scores at each stage and differences in scores at T1 and T2 (|T1-T2|), defined as post-retention stability, recorded. Little's Irregularity Index (IRI) from the study casts and the ANB from lateral cephalograms at T0, T1, and T2 were also recorded to assess post-treatment stability from a different perspective. The Kruskal-Wallis test was performed for statistical comparisons. Mean ranking according to the ABO and Kruskal-Wallis test at T1, T2, and |T1-T2| was lowest in Group 1 and highest in Group 3, and the mean amount of change in the ABO score after active treatment was also the same. This suggests that post-treatment stability is highest in non-extraction cases and lowest in surgical cases. This result correlated with change in the ANB from T0 to T1. This indicates that amount of change in the ANB affects post-treatment stability and that relapse will tend to be greater in surgical cases. However, the amount of change in IRI after active treatment was highest in Group 2 and lowest in Group 3, suggesting that relapse of the lower incisors is greatest in non-extraction cases.","PeriodicalId":45490,"journal":{"name":"Bulletin of Tokyo Dental College","volume":"57 1 1","pages":"29-35"},"PeriodicalIF":0.5,"publicationDate":"2016-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.2209/tdcpublication.57.29","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"68186989","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: 2