International Journal of Dentistry Research最新文献_第9页

Panoramic radiographs for investigating skeletal patternsA comparative study 用于骨骼形态研究的全景x线片

International Journal of Dentistry Research Pub Date : 2019-08-24 DOI: 10.31254/dentistry.2019.4207

T. Puri

{"title":"Panoramic radiographs for investigating skeletal patternsA comparative study","authors":"T. Puri","doi":"10.31254/dentistry.2019.4207","DOIUrl":"https://doi.org/10.31254/dentistry.2019.4207","url":null,"abstract":"Introduction: The most commonly used diagnostic aids in orthodontics are lateral cephalograms and panoramic radiographs (OPG). The OPG forms an indispensible orthodontic screening tool in providing information about the teeth, their root length, axial inclinations, morphology and structure, eruption sequence and spatial relationships [1] which is mostly qualitative in nature. The purpose of this study was to evaluate whether the use of OPG could be extended for evaluating skeletal patterns and dentofacial characteristics which are routinely measured on lateral cephalograms. Materials and Methods: A total of 80 subjects were chosen, they were divided into two groups: Group A and Group B. Group A included 40 skeletal Class I, dental Class I adults with age range of 18-27 years. Group B included 40 skeletal ClassII, dental Class II Div 1 children with age range of 10 -15 years. The lateral cephalogram and OPG were taken under standard conditions using skeletal cephalostat and various parameters were measured and compared. Results and Conclusion: From this study it was concluded that angular measurements on OPG can be used to predict the corresponding angular measurements from the lateral cephalograms, both for the dental and skeletal parameters but the vertical linear measurements cannot be predicted accurately from OPG. The regression equations obtained from this study showed that the Go-Gn/S-N, ANS-PNS/Go-Me (palatal plane/mandibular plane), and Co-Go/Go-Me parameters could be predicted from OPG within statistically significant levels, and their predictability levels were 20.47%, 31.7%, and 10.88%, respectively for group A and 32.0%.22.08% and 52.36% respectively for group B.","PeriodicalId":240291,"journal":{"name":"International Journal of Dentistry Research","volume":"89 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-08-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122235867","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

Knowledge and Attitude amongst the Dental and Medical students towards radiation hazards and radiation protection: A Questionnaire survey 牙科及医科学生对辐射危害及辐射防护知识及态度的问卷调查

International Journal of Dentistry Research Pub Date : 2019-08-24 DOI: 10.31254/dentistry.2019.4203

Motwani Mukta B, Tagade Pooja P, Dhole Apeksha S, Khator Apurva D

引用次数: 2

Effectiveness of Combination Irrigant Technique for Debris Removal in Simulated Canal Irregularities: An in vitro Study 联合灌溉技术去除模拟管状不规则碎片的有效性:体外研究

International Journal of Dentistry Research Pub Date : 2019-08-24 DOI: 10.31254/dentistry.2019.4208

S. Dhivyalakshmi, N. Velmurugan, G. Lakshmanan, L. Karthik

{"title":"Effectiveness of Combination Irrigant Technique for Debris Removal in Simulated Canal Irregularities: An in vitro Study","authors":"S. Dhivyalakshmi, N. Velmurugan, G. Lakshmanan, L. Karthik","doi":"10.31254/dentistry.2019.4208","DOIUrl":"https://doi.org/10.31254/dentistry.2019.4208","url":null,"abstract":"Aim: To evaluate the debridement efficacy of different irrigation systems in simulated canal irregularities. Study Design and Setting: About sixty maxillary central incisors were selected and after chemomechanical preparation were split longitudinally into two halves. Each groove and depression were filled with dentine debris mixed with 2.5 % NaOCl to simulate a situation where dentine debris accumulates in the un-instrumented extensions of the root canal. Materials and Methods: The specimens were randomly divided into 4 experimental groups as follows: Group I - Conventional Needle Irrigation, Group II - Apical Negative Pressure Irrigation (EndoVac), Group III - Passive Ultrasonic Irrigation and Group IV - Combination Irrigation (EV+PUI). 9 ml of 2.5 % NaOCl, 9 ml of 17 % EDTA and 9 ml of saline was used for the final irrigation protocol. Images were taken before and after irrigation using PRIMA DNT surgical microscope with digital camera. Statistical Analysis: The intergroup and individual comparison of percentage reduction of debris in groove and depressions were carried out by using Kruskal-Wallis and Mann-Whitney U tests respectively. The intergroup comparison for different scoring criteria was compared using Pearson’s chi-square tests. Differences were considered statistically significant at P value < 0.05. Results: The combination group, EV group and PUI group showed better removal of debris in Groove and Depressions than Conventional needle irrigation group. The Combination group had significant reduction of debris at 2 mm level when compared to all the other groups. Conclusion: The effectiveness of this combination irrigant delivery system for smear layer removal and antibacterial efficacy have to be evaluated further in future clinical studies","PeriodicalId":240291,"journal":{"name":"International Journal of Dentistry Research","volume":"68 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-08-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114227619","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: 1

Alveolar bone and gingival necrosis following pulp devitalization 牙髓失活后牙槽骨和牙龈坏死

International Journal of Dentistry Research Pub Date : 2019-04-07 DOI: 10.31254/DENTISTRY.2019.4104

Disha Bansal, Mrinalini Mahajan

引用次数: 0

Prosthetic rehabilitation using extra coronal attachments 冠状外附着体修复

International Journal of Dentistry Research Pub Date : 2019-04-07 DOI: 10.31254/DENTISTRY.2019.4102

R. Patil, Omkar Shetty

{"title":"Prosthetic rehabilitation using extra coronal attachments","authors":"R. Patil, Omkar Shetty","doi":"10.31254/DENTISTRY.2019.4102","DOIUrl":"https://doi.org/10.31254/DENTISTRY.2019.4102","url":null,"abstract":"A unique concern of a removable denture when compared to other prosthesis is retention. The component of removable denture which provides retention is called as direct retainer. A direct retainer can be either an extracoronal or intracoronal retainer . One of the main drawbacks of extracoronal retainers used in partial dentures is visibility. Many patients find themselves in an aesthetically compromised state when these retainers are placed on teeth in visible area. The solution for this problem is using a Precision attachment. This assembly provides better vertical support and better stimulation to the underlying tissue through intermittent vertical massage. Although the history of intracoronal retainers goes back to 5th and 4th centuries BC, technically more sound developments began in early 20th century AD. Since then precision attachments are playing an important role in removable and fixed partial denture, conventional and implant supported overdentures . In this case, an extra coronal attachment is chosen as fixed prosthesis was not possible to use everywhere and patient desired a prosthesis which had function and stability similar to fixed prosthesis. In this type of attachment, crown is made with the projecting attachment and a corresponding fitting or housing is incorporated in the removable prosthesis as a result there is a certain amount of movement between the two sections of the prosthesis that acts as a non-rigid stress breaker and helps in distributing the occlusal load without breaking the prosthesis.","PeriodicalId":240291,"journal":{"name":"International Journal of Dentistry Research","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-04-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128920283","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

Neuromuscular disorders affecting the Oral and Maxillofacial region and their Dental management 影响口腔颌面区域的神经肌肉疾病及其牙科治疗

International Journal of Dentistry Research Pub Date : 2019-04-07 DOI: 10.31254/DENTISTRY.2019.4105

A. Khator, M. Motwani

引用次数: 2

Does the platform switching implant affect the crestal bone level? A systematic review and meta-analysis 平台切换种植体是否影响嵴骨水平?系统回顾和荟萃分析

International Journal of Dentistry Research Pub Date : 2019-04-07 DOI: 10.31254/DENTISTRY.2019.4106

A. Eldien, E. Mahmoud, H. Hamed, M. Shoeib

{"title":"Does the platform switching implant affect the crestal bone level? A systematic review and meta-analysis","authors":"A. Eldien, E. Mahmoud, H. Hamed, M. Shoeib","doi":"10.31254/DENTISTRY.2019.4106","DOIUrl":"https://doi.org/10.31254/DENTISTRY.2019.4106","url":null,"abstract":"Objectives: To assess the effects of platform switching in patients restored with implant supported fixed restorations on implant failure and patient satisfaction. Materials and methods: We searched the Cochrane Oral Health Group Trial register (04 February 2017), Cochrane Central Register of Controlled Trials (The Cochrane Library 2017, Issue 02), MEDLINE (January 1966 to 04 February 2017) and the WHO International Clinical Trial Registry Platform (04 February 2017). We hand searched citation lists of relevant publications. We did not apply any language or date restrictions. Randomised controlled trials (RCTs) comparing the effectiveness of platform switching versus platform matching in patients restored with implant supported fixed restorations were included. Two reviewers independently assessed trials for inclusion and risk of bias, extracted data and checked for accuracy. We have expressed results as risk ratio (RR) or mean differences (MD), together with their 95% confidence intervals (CI). The primary outcome measures were implant failure and patient satisfaction. Results: We included 12 studies (513 participants). There was no difference between platform switching and matching after 1-3 years of follow up in implant failures (RR 0.32, 95% CI 0.01 to 7.70; studies = 7) or patient satisfaction (MD 0.13, 95% CI -0.29 to 0.55; participants = 24; studies = 1). Regarding marginal bone loss, when we pooled down the data obtained from six trials, we identified substantial heterogeneity (I2 = 81%) with inconsistency in the direction of effect, which was unexplained by clinical or methodological differences between the studies, and accordingly we did not perform meta-analysis for this outcome. Conclusions: In patients restored with implant supported fixed restorations, there is insufficient evidence to support platform switching or platform matching implant-abutment connection design to improve implant survival and patient satisfaction.","PeriodicalId":240291,"journal":{"name":"International Journal of Dentistry Research","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-04-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131723331","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

Assessing Students’ Perspectives of an Elective Digital Dentistry Course 评估学生对数字牙科选修课程的看法

International Journal of Dentistry Research Pub Date : 2019-04-07 DOI: 10.31254/DENTISTRY.2019.4101

Les Kalman, E. Vakili

{"title":"Assessing Students’ Perspectives of an Elective Digital Dentistry Course","authors":"Les Kalman, E. Vakili","doi":"10.31254/DENTISTRY.2019.4101","DOIUrl":"https://doi.org/10.31254/DENTISTRY.2019.4101","url":null,"abstract":"This brief report examines students’ perspectives on teaching from a small size of fourth year dental students and Internationally Trained Dentists II candidates on an experiential learning digital dentistry elective course. A questionnaire was developed and distributed to 10 dental students before and after the course. Each question was rated on a five-point Likert scale. The Wilcoxon Signed Ranks Test was used. All data analysis was conducted by Excel at the 0.05 level of significance. The results indicated that after receiving the course the mean of students’ perspectives varied more. The medians varied before and after the course. There was a 90% improvement that was detected in the students’ perspectives after the course. All of the students (100%) reported an improvement in knowledge with the digital scanner after the course. Although students’ perspectives demonstrated a change in almost all the participants (90%) after receiving the course, this change was not statistically significant. There was no significant difference in students’ knowledge of digital dentistry before and after receiving the course. Conclusion: The dental profession is rapidly changing technologically. It seems appropriate that dental education should include digital dentistry and a suitable number of student participants.","PeriodicalId":240291,"journal":{"name":"International Journal of Dentistry Research","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-04-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129748627","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

Procedures to accelerate orthodontic treatment: Review of techniques and biological bases 加速正畸治疗的程序:技术和生物学基础的回顾

International Journal of Dentistry Research Pub Date : 2019-04-07 DOI: 10.31254/DENTISTRY.2019.4107

N. Rossi, Brasil R Tijuco Preto, R. Rossi, N. Rossi, Dentofacial Orthopedics-SBOOM

引用次数: 2

Mandibular Permanent Central incisor Crown Dilaceration- A Rare Case Report 下颌恒中切牙冠扩张1例

International Journal of Dentistry Research Pub Date : 2019-04-07 DOI: 10.31254/DENTISTRY.2019.4103

Ambreena Khurshid, S. Chachra, A. Dhindsa, G. Kour, Binish Iftikhar, P. Goel

引用次数: 0