International Journal of Dental Research and Reviews


Marginal and internal fit of fixed prosthodontic constructions: a literature review

Review Article of International Journal of Dental Research and Reviews Marginal and internal fit of fixed prosthodontic constructions: a literature review Artak G. Heboyan- Msc, DSD, PhD Researcher, Assistant Professor, Department of Prosthodontics, Yerevan State Medical University after M. Heratsi; Yerevan, Armenia Marginal fit of fixed dental prostheses is determined by the size of the gap between the margin of the restoration and finish line of the prepared tooth. The most important factors influencing marginal and internal fit of fixed dental prostheses are the material used, the type of finish line as well as peculiarities of various technique of restoration fabrication. The objective of the article is to review the literature about the marginal and internal fit of various fixed prosthetic constructions. A review of literature using Pubmed, Google Scholar, and Research Gate database was carried out and 73 articles mostly in English were selected. The keywords were “Computer-aided design, marginal gap, internal fit, marginal fit, and crown adaptation”. Clinically accepted boundary value of marginal gap is considered to be ≤100 μm. However, a number of factors such as milling machine, parameters of bur (diameter, sharpness), software, design preparation, smooth preparation margins and incorporation of rounded line angles on the tooth preparation, the type of finish line, material and fabrication method of the construction and type of impression method should be taken into consideration in order to achieve these results. The perfect marginal and internal fit are the guarantee of construction success and longevity. As a sizeable marginal opening concedes more plaque accumulation, gingival sulcular fluid flow and bone loss, following in microleakage, recurrent caries, periodontal disease and a decrease in the longevity of the prosthetics restorations. Currently used techniques of restoration manufacturing, including constructions manufactured by computer aided design/computer aided manufacturing system can provide clinically allowable marginal fit. Keywords: ...

Minimal Invasive Potential of Three Caries Excavation Methods in Children

Research Article of International Journal of Dental Research and Reviews Minimal Invasive Potential of Three Caries Excavation Methods in Children Mohamed Khalifa Zayet1, Sherif Bahgat El-Taweil2, Sara Ahmed Mahmoud2, Soad Abdelmoniem2 1Oral and Maxillofacial Radiology Department, Faculty of Dentistry, Cairo University. 2Pediatric Dentistry and Dental Public Health Department, Faculty of Dentistry, Cairo University Background: Recently, the concept of minimally invasive (MI) dentistry has emerged. MI calls for the selective removal of heavily infected and irreversibly denatured dentin caused by carious lesions while preserving dentin that is demineralized but not infected. Aim: To compare the minimal invasive potential (MIP) of conventional caries excavation (CCE), caries detection dye (CDD), and fluorescence aided caries excavation (FACE) methods in children. Subjects and Methods: A total of 105 carious primary molars in 43 children were included in this study. The teeth were randomly divided into three groups according to the caries excavation method. Preoperative evaluation of the carious teeth was performed using digital radiography after sealing the cavities with a radiopaque material. Caries excavation was performed using CCE, CDD, or FACE method. The teeth were restored using self-cured glass ionomer. Post-operative radiographic examination was then performed. Pre-operative and post-operative widths and depths for the cavities were assessed. MIP was determined by comparing the prepared-cavity width and depth relative to the initial width and depth of the caries lesion, respectively. Results: There was no statistically significant difference between the MIP of examined groups neither after comparing cavity widths at p=0.253 nor depths at p=0.06. FACE showed the highest mean values of MIP potential for cavity widths (1.41±0.36) and depths (2.04±0.74). Conclusions: CCE, CDD, and FACE showed comparable MIP in children. Keywords: Minimal invasive; Caries detection dye; Fluorescence ...

Clinical Evaluation of Self Ligating Versus Conventional Ligating Preadjusted Edgewise Brackets- A Prospective Clinical Study

Research Article of International Journal of Dental Research and Reviews Clinical Evaluation of Self Ligating Versus Conventional Ligating Preadjusted Edgewise Brackets- A Prospective Clinical Study Thapa A1, Datana S2, Agarwal SS3, Jayan B4, Chopra SS5, Bhandari SK6 1Lucknow (India); 2 Associate Professor, Department of Orthodontics & Dentofacial Orthopedics,Armed Forces Medical College, Pune (India); 3Assistant Professor, Department of Orthodontics & Dentofacial Orthopedics,Armed Forces Medical College, Pune (India); 4 Bangalore (India); 5 Professor, Department of Orthodontics & Dentofacial Orthopedics, Armed Forces Medical College, Pune (India); 6 Professor, Department of Oral and Maxilofacial Surgery, Armed Forces Medical College, Pune (India) Objective: The prospective study was taken up with null hypothesis that there is no difference clinically in treatment efficiency and gingival condition before start of treatment & twelve months after bonding in SLB and CLB system. Materials and Methods: This clinical study include 30 patients, divided into two groups of 15 each were included in the present study. Intraoral photos and study models taken at pre-treatment (T0), 5 weeks (T1), 10 weeks (T2) and 15 weeks (T3). Initial alignment was assessed by using the Little irregularity index (LII) in the mandibular anterior teeth. The subjects were also examined for bleeding potential of the tissues by using Gingival Index (GI). Results: The mean initial irregularity (MII) score for SLB T0, T5, T10 and T15 was 5.867, 2.252, 0.516 and 0.039. MII score for CLB T0, T5, T10 and T15 was 6.000, 3.630, 1.589 and 0.327. A two sample t-test revealed gap of 4.02% was statistically significant (T= 2.80, 0.012). This data suggests that total alignment change of mandibular arch from T 0 to T 15 was better in SLB compared to CLB group. The mean increase of GI with SLB system was 0.183 while for CLB were equal to 0.98. This difference of GI ...

Knowledge about Emergency Management of Avulsed Tooth Amongst Medical Students: a Questionnaire Based Study

Research Article of International Journal of Dental Research and Reviews Knowledge about Emergency Management of Avulsed Tooth Amongst Medical Students: a Questionnaire Based Study Dang P1, Datana S2, Agarwal SS3, Bhandari SK4 1Dr Puneet Dang, MDS (Pedodontics) Pune (India); 2Associate Professor, Department of Orthodontics & Dentofacial Orthopedics, Armed Forces Medical College, Pune (India); 3Assistant Professor, Department of Orthodontics & Dentofacial Orthopedics, Armed Forces Medical College, Pune (India);4Professor, Department of Oral and Maxilofacial Surgery,Armed Forces Medical College, Pune (India) Introduction: Dental avulsion is an emergency that could happen anytime, anywhere and medical health professionals are the first to whom parents usually take their children to seek emergency treatment. Therefore, medical health professionals should have adequate basic knowledge regarding its management. Aim: This study was conducted to assess basic knowledge regarding emergency management of avulsed tooth amongst medical students. Method: This cross-sectional questionnaire based survey was carried out amongst 150 medical students consisting of customized 10 multiple choice questions based on basic knowledge about and preferred methods of managing avulsed tooth. Results: The results showed that most of them knew what avulsion is but almost 50% of them responded that they will refer or call for help from Dental surgeon. Only 30% had knowledge about basic and first aid management that is immediate repositioning of avulsed tooth in its socket. Conclusion: The medical students have inadequate knowledge about primary management of avulsion. They should be trained in this aspect so that they can manage such emergencies if Dental Surgeon is not available. Keywords: Avulsion, Replantation, Dental Trauma ...

Prof. Mohamed Said Hamed
Dean & Professor – Oral & Maxillofacial Surgery, College of Dentistry, Gulf Medical University, United Arab Emirates

Dr. Amer A. Taqa
Professor, College dentistry, Mosul University

Dr. Punit Naidu
Vice Chairman, Rajarajeswari Dental College and Hospital Bangalore

Dr. Victor Eduardo de Souza Batista
Associate Professor, Department Prosthodontics, Presidente Prudente Dental School, University of Western São Paulo – UNOESTE, Presidente Prudente, São Paulo, Brazil

Dr. Faaiz Alhamdani
Assistant Prof., Head of Clinical Sciences Department, College of Dentistry, Ibn Sina University

Dr. Abbas R. Zaher
Professor of Orthodontics and Chairman, department of orthodontics, Faculty of Dentistry, the University of Alexandria; President, The Egyptian Orthodontic Society; Past Vice-President, the World Federation of Orthodontists

Dr. Ibrahim El-Sayed M. El-Hakim
Professor, Ain Shams University

Dr. Ajay Jain
Associate Professor, Faculty of Dentistry, AIMST University

Dr. RAÚL GONZÁLEZ-GARCÍA
Department of Oral and Maxillofacial-Head and Neck Surgery, University Hospital Infanta Cristina, Avenida de Elvas s/n, 06080, Badajoz (Spain)

Dr. Indrajeet Ghosh
Practice Principal/ Clinical Director of Dental Zone

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1.Mergime Prekazi Loxha, Zana Agani, Alban Olluri, Fisnik Kurshumliu, Sinan Rusinovci.Clinical and hystopathological dilemmas in diagnosis of epitheloid hemangioma of maxillae-case report. International Journal of Dental Research and Reviews, 2018, 1:7. DOI: 10.28933/ijdrr-2018-11-0808
2.Sonoko Nakasato, Joshua Sanchez, Katherine Chapman, Michael Benichou, Sadanand Fulzele, Jeffrey A. Elo, Shirley Y. Kang, Carlos Guerra, James L. Borke. Selection of Angiogenic Markers that Predict the Transition from Bisphosphonate Exposure to MRONJ in a Rat Model. International Journal of Dental Research and Reviews, 2018,1:6. DOI: 10.28933/ijdrr-2018-10-1801

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International Journal of Dental Research and Reviews(issn:2637-3750,doi:10.28933/ijdrr) is a peer reviewed open access journal publishing research manuscripts, review articles, editorials, letters to the editor in Dental Research and Reviews (Indexing details).

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International Journal of Dental Research and Reviews

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