International Journal of Dental Science and Research最新文献_第2页

Primary intraosseous carcinoma of jaw – A diagnostic dilemma 原发性颌骨骨内癌-诊断困境

International Journal of Dental Science and Research Pub Date : 2015-05-01 DOI: 10.1016/j.ijdsr.2015.06.001

Madan Mishra, Gaurav Singh, Amit Gaur, Sharad Chand, Sardar S. Yadav

引用次数: 1

Evaluation of the torque control of the maxillary incisors in lingual orthodontics during retraction – A finite element analysis 舌正畸中上颌切牙内收时扭矩控制的评价-有限元分析

International Journal of Dental Science and Research Pub Date : 2015-05-01 DOI: 10.1016/j.ijdsr.2015.11.008

Rachita Mehrotra , Raj Kumar Jaiswal , Praveen Mehrotra , Sudhir Kapoor , Abhay Jain

{"title":"Evaluation of the torque control of the maxillary incisors in lingual orthodontics during retraction – A finite element analysis","authors":"Rachita Mehrotra , Raj Kumar Jaiswal , Praveen Mehrotra , Sudhir Kapoor , Abhay Jain","doi":"10.1016/j.ijdsr.2015.11.008","DOIUrl":"10.1016/j.ijdsr.2015.11.008","url":null,"abstract":"<div><h3>Aims</h3><p>The aim of the study was to evaluate the horizontal and vertical forces for effective torque control of maxillary incisors during retraction in lingual technique using a 3-dimensional (3D) finite element method. These horizontal and vertical forces were analysed and compared.</p></div><div><h3>Methods and materials</h3><p>A 3D finite element model of the maxilla and maxillary incisors and molars was made. The maxillary incisors were subjected to horizontal retractive force and the vertical intrusive force was calculated such that the resultant of the horizontal and vertical forces passed through the centre of resistance of the maxillary incisors to maintain torque and simulate bodily retraction in labial and lingual mechanics.</p></div><div><h3>Results</h3><p>For equal magnitude of horizontal retractive force (100g) the calculated vertical force vector (Fv) was 129g and the resultant force was 163g in labial mechanics, while in lingual mechanics, the vertical force vector was 222.66g and the resultant force was 244g.</p></div><div><h3>Conclusion</h3><p>In lingual orthodontics, it is more appropriate to reduce the magnitude of horizontal retractive force and keep the vertical intrusive force within biological limits, thus maintaining torque and achieve bodily retraction of incisors.</p></div>","PeriodicalId":100695,"journal":{"name":"International Journal of Dental Science and Research","volume":"2 2","pages":"Pages 75-80"},"PeriodicalIF":0.0,"publicationDate":"2015-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.ijdsr.2015.11.008","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114984842","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

Preheating impact on the colour change of pit-and-fissure sealants after immersion in staining beverages 预热对坑裂密封胶在染色饮料中浸泡后颜色变化的影响

International Journal of Dental Science and Research Pub Date : 2015-05-01 DOI: 10.1016/j.ijdsr.2015.11.002

Boniek Castillo Dutra Borges, Ellen Souza da Costa, Samuel Eleutério Paiva Sousa, Ana Beatriz Arrais, Isauremi Vieira de Assunção, Alex José Souza dos Santos

{"title":"Preheating impact on the colour change of pit-and-fissure sealants after immersion in staining beverages","authors":"Boniek Castillo Dutra Borges, Ellen Souza da Costa, Samuel Eleutério Paiva Sousa, Ana Beatriz Arrais, Isauremi Vieira de Assunção, Alex José Souza dos Santos","doi":"10.1016/j.ijdsr.2015.11.002","DOIUrl":"10.1016/j.ijdsr.2015.11.002","url":null,"abstract":"<div><h3>Background</h3><p>The development of techniques improving the colour stability on restorative materials has become of great importance due to pigmentation as an important factor that induces colour changes. This study aimed to evaluate the influence of the preheating of resin-based pit-and-fissure sealants on colour stability when in contact with staining beverages.</p></div><div><h3>Methods</h3><p>The Fluroshield (Dentsply, USA) sealant was used in white and clear shades. One hundred and twenty specimens were light-cured at different temperatures (25°C and 68°C) and immersed in distilled water (37°C) for 24h (T0). Thereafter, the specimens were submerged in different solutions, such as cola soft drinks, distilled water or grape juice (<em>n</em>   <0.05).</p></div><div><h3>Results</h3><p>Preheating resulted in decreased colour change in both materials. The white Fluroshield sealant showed lower Δ<em>E</em> values and grape juice promoted the highest colour change.</p></div><div><h3>Conclusion</h3><p>The preheating was effective to improve colour stability of resin-based pit-and-fissure sealants when in contact with grape juice and cola drink.</p></div>","PeriodicalId":100695,"journal":{"name":"International Journal of Dental Science and Research","volume":"2 2","pages":"Pages 64-68"},"PeriodicalIF":0.0,"publicationDate":"2015-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.ijdsr.2015.11.002","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132808515","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: 4

Dental esthetic impact of malocclusion and orthodontic treatment need based on self-perception among university students 基于自我认知的大学生错牙合与正畸治疗需求的牙美学影响

International Journal of Dental Science and Research Pub Date : 2015-05-01 DOI: 10.1016/j.ijdsr.2015.04.005

Fatimah Siti , Bee Siew Tan , Thomas Mathew

{"title":"Dental esthetic impact of malocclusion and orthodontic treatment need based on self-perception among university students","authors":"Fatimah Siti , Bee Siew Tan , Thomas Mathew","doi":"10.1016/j.ijdsr.2015.04.005","DOIUrl":"10.1016/j.ijdsr.2015.04.005","url":null,"abstract":"<div><h3>Aims</h3><p>The objectives of this study were to assess the self-perceived esthetic orthodontic treatment<span> need, to determine esthetic impact of malocclusion and investigate the effect of factors including gender and courses to the need of orthodontic treatment among university students.</span></p></div><div><h3>Methods</h3><p>A random study of 275 subjects among 18–25 year old university students from International Medical University (IMU) were evaluated using 2 scales; the Aesthetic Component of Index of Orthodontic Treatment Need (AC) and Oral Aesthetic Subjective Impact Scale (OASIS) and one direct question.</p></div><div><h3>Results</h3><p>The data were analyzed to evaluate the subjective orthodontic treatment need, aesthetic impact of malocclusion, and perceived orthodontic treatment need.</p><p>In the study, 55.7% of the students experienced negative perception and 44.3% have positive self-perception. Female perceived more negative perception (AC-OASIS) as compared to male, 35.3% and 20.4% respectively. The Mann–Whitney <em>U</em> Test was used to compare the total AC-OASIS score between males and females showed positive significance, <em>p</em>  <span>0.05. The comparison between dentistry and non-dentistry students shows no significant difference in perception, </span><em>p</em>  <!-->0.05.</p></div><div><h3>Conclusion</h3><p>There was no difference in the level of orthodontic treatment need among students from different courses, but impact of malocclusion was higher in females compared to males.</p></div>","PeriodicalId":100695,"journal":{"name":"International Journal of Dental Science and Research","volume":"2 2","pages":"Pages 49-54"},"PeriodicalIF":0.0,"publicationDate":"2015-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.ijdsr.2015.04.005","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122833432","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

Association between breastfeeding and dental caries in Saudi preschool children 沙特学龄前儿童母乳喂养与龋齿之间的关系

International Journal of Dental Science and Research Pub Date : 2015-05-01 DOI: 10.1016/j.ijdsr.2015.11.001

Abdulrahman Alshehri, Fawaz Alshehri

{"title":"Association between breastfeeding and dental caries in Saudi preschool children","authors":"Abdulrahman Alshehri, Fawaz Alshehri","doi":"10.1016/j.ijdsr.2015.11.001","DOIUrl":"10.1016/j.ijdsr.2015.11.001","url":null,"abstract":"<div><h3>Aims</h3><p>The objective of this study is to assess the potential association of breastfeeding and some other factors with the risk for early childhood caries (ECC) among young children in Saudi Arabia.</p></div><div><h3>Methods</h3><p>A cross-sectional study was conducted with male and female preschool children, aged between 30 and 66 months. A structured questionnaire was administered to the mothers to inquire about the feeding pattern of their children and to collect data about their socio-economic status. The data were modeled using a Chi square test with a significance level of 5%.</p></div><div><h3>Results</h3><p>ECC was observed in 89.66% of the children examined. The group most affected with caries was among the mixed breastfed group with 37.07% compared to 31.02% of those who were exclusively breastfed. Feeding practices showed the association between ECC and breastfeeding (<em>P</em>  =0; <em>P</em>  =0.00001), respectively.</p></div><div><h3>Conclusions</h3><p>It is concluded that children who were breastfed by mixed breastfeeding experienced caries the most. The shorter duration of breastfeeding, educational level of the mothers, and relationship of parents are correlated with the etiology of ECC.</p></div>","PeriodicalId":100695,"journal":{"name":"International Journal of Dental Science and Research","volume":"2 2","pages":"Pages 69-74"},"PeriodicalIF":0.0,"publicationDate":"2015-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.ijdsr.2015.11.001","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115100773","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

Gorlin Goltz syndrome: A case report Gorlin - Goltz综合征1例报告

International Journal of Dental Science and Research Pub Date : 2015-01-01 DOI: 10.1016/j.ijdsr.2015.02.001

Mahesh Chander , Madan Mishra , Amit Gaur , Tasveer Fatima , Shubhamoy Mondal , Shishir Dhar

{"title":"Gorlin Goltz syndrome: A case report","authors":"Mahesh Chander , Madan Mishra , Amit Gaur , Tasveer Fatima , Shubhamoy Mondal , Shishir Dhar","doi":"10.1016/j.ijdsr.2015.02.001","DOIUrl":"10.1016/j.ijdsr.2015.02.001","url":null,"abstract":"<div><p><span><span>Not many cases have been reported in India, and hence we report here a rare case of Gorlin Goltz syndrome<span> (GGS) especially in young patients without any skin lesions<span>. A 21 year old male reported to our department, with swelling in the lower posterior region of the right side of jaw since last 2 years. Thorough extraoral and intraoral examinations along with orthopantomogram (OPG), CT scan (skull) and </span></span></span>chest radiograph helped in proper diagnosis of the condition. No skin lesion in the form of basal cell nevus, palmar or plantar pits, or </span>keratosis<span> were present. All the cystic lesions of the jaws were enucleated surgically and chemical cauterization<span> done by Carnoy's solution. No sign of recurrence observed still date. Our case highlights the importance of the awareness of this rare syndrome, especially in young patients without any skin lesions because early verification of the disease prevent recurrence and better survival rates from the existent disease.</span></span></p></div>","PeriodicalId":100695,"journal":{"name":"International Journal of Dental Science and Research","volume":"2 1","pages":"Pages 20-24"},"PeriodicalIF":0.0,"publicationDate":"2015-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.ijdsr.2015.02.001","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126571220","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

Functional oral self-injurious behavior in a pediatric patient 儿科患者功能性口腔自伤行为

International Journal of Dental Science and Research Pub Date : 2015-01-01 DOI: 10.1016/j.ijdsr.2015.04.004

Takaaki Kamatani , Hiroto Tatsumi , Kazuhito Satomura , Kanichi Seto

引用次数: 1

Long term clinical outcome of dental implants placed in a patient with aggressive periodontitis and Glucose-6-phosphate dehydrogenase (G6pd) deficiency 侵略性牙周炎和葡萄糖-6-磷酸脱氢酶(G6pd)缺乏症患者种植牙的长期临床结果

International Journal of Dental Science and Research Pub Date : 2015-01-01 DOI: 10.1016/j.ijdsr.2015.02.003

Reena Rodriguez, Nico Hartmann, Dieter Weingart

{"title":"Long term clinical outcome of dental implants placed in a patient with aggressive periodontitis and Glucose-6-phosphate dehydrogenase (G6pd) deficiency","authors":"Reena Rodriguez, Nico Hartmann, Dieter Weingart","doi":"10.1016/j.ijdsr.2015.02.003","DOIUrl":"10.1016/j.ijdsr.2015.02.003","url":null,"abstract":"<div><h3>Background and objectives</h3><p><span><span><span><span>Aggressive Periodontitis is associated with higher risk of </span>periimplantitis and lower implant survival. Glucose-6-phosphate dehydrogenase (G6pd) deficiency is an enzymatic disorder which may produce </span>hemolytic anemia in </span>red blood cells. Since G6pd helps to maintain intracellular redox potential, a deficiency produces a weak interface at the marginal </span>gingiva<span><span> and additionally a reduced wound healing due to hemolysis. This case report discusses the clinical features and treatment protocol used to achieve </span>osseointegration<span> of dental implants in grafted and non grafted regions in a patient having aggressive periodontitis, congenital G6pd deficiency, refractory to conventional periodontal therapy.</span></span></p></div><div><h3>Methods</h3><p><span>Following extraction of the remaining teeth, 10 titanium implants<span> (Straumann AG) were placed, starting with 4 implants in the mandible. After 5 years, augmentation of the extremely atrophic </span></span>maxilla was performed. On one side the augmentation failed, however a total of 6 implants could be placed in the maxilla. The patient was followed up regularly for 15 years.</p></div><div><h3>Results</h3><p>The long term follow up (9 years in the maxilla and 15 years in the mandible) of the inserted implants showed 100% success rate.</p></div><div><h3>Conclusion</h3><p>Rehabilitation with dental implants in patients having aggressive periodontitis is a reasonable treatment option to restore maxillo-mandibular function and esthetics.</p></div>","PeriodicalId":100695,"journal":{"name":"International Journal of Dental Science and Research","volume":"2 1","pages":"Pages 25-30"},"PeriodicalIF":0.0,"publicationDate":"2015-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.ijdsr.2015.02.003","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132313419","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 three rooted deciduous mandibular molars in Indian children 印度儿童三根乳牙的发病率

International Journal of Dental Science and Research Pub Date : 2015-01-01 DOI: 10.1016/j.ijdsr.2014.05.001

Srikanth H. Srivathsa

引用次数: 11

Pharmacovigilance: The dental scenario 药物警戒:牙齿情况

International Journal of Dental Science and Research Pub Date : 2015-01-01 DOI: 10.1016/j.ijdsr.2015.03.001

Kundendu Arya Bishen, Anil Bhandari, Shitalkumar Sagari

引用次数: 0