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Dentistry

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  1. Juvenile psammomatoid ossifying fibroma is a rare variant of conventional ossifying fibroma that affects the maxillofacial complex in children and adolescents. It is a benign fibro-osseous neoplasm with aggres...

    Authors: Juliano Pacheco Abreu, Beatriz Tholt, Kelly Fernanda Molena, Hermes Pretel and Eugenia Velludo Veiga
    Citation: Bulletin of the National Research Centre 2023 47:41
  2. Our present study aimed to evaluate the effect of calcium phosphate nanoparticles in chlorohexidine paste on the odontogenic differentiation of human dental pulp stem cells. The human dental pulp stem cells (H...

    Authors: Abeer Hashem Mahran, Sarah Hossam Fahmy and Sarah Shokry Ibrahim
    Citation: Bulletin of the National Research Centre 2023 47:37

    The Correction to this article has been published in Bulletin of the National Research Centre 2023 47:44

  3. Implants immediately loaded full-arch prosthesis in maxilla is always a challenge, especially when the zone 2 is extremely defected. To achieve a satisfying result, different therapeutic alternatives have been...

    Authors: Xiaoya Lu, Xiaoping Wang, Xiaohui Han, Lihua Hu, Mei Ji, Shengfeng Li and Shengyun Huang
    Citation: Bulletin of the National Research Centre 2023 47:8
  4. One of the major threats to human health is malignancy. Treatment regimens usually followed by either chemo or radiotherapy have a wide range of collateral unwanted side effects. Scientists seek alternatives w...

    Authors: Marwa Mohamed Ellithy, Heba Elsayed Tarek and Heba Nader Shalash
    Citation: Bulletin of the National Research Centre 2023 47:1
  5. To evaluate the effect of using different short fiber-reinforced resin composites on fracture resistance and flexural strength of endodontically treated tooth and compare it with nano-filled resin composite.

    Authors: Wael Gamal, Ahmed Abdou and Ghada A. Salem
    Citation: Bulletin of the National Research Centre 2022 46:276
  6. Oral potentially malignant lesions (OPML) are suspicious lesions that may turn into malignancy according to the degree of dysplasia. Early diagnosis of these lesions allows their treatment before malignant tra...

    Authors: Heba E. Tarek, Heba N. Shalash, Reham A. A. Morsy, Basma Mostafa, Mirhane Hassan, Rania M. Abbas and Marwa M. Ellithy
    Citation: Bulletin of the National Research Centre 2022 46:241
  7. Acute Leukaemias are haematological disorders characterised by the proliferation of immature white blood cells in the bone marrow and/or peripheral blood. Oral manifestations of leukaemia are common and may be...

    Authors: Fabienne Aurora, Anita Arasaretnam and Andrew Hobkirk
    Citation: Bulletin of the National Research Centre 2022 46:239
  8. Periodontitis is a chronic inflammatory disease caused by interactions between bacterial infection and host response. Nutrition education plays an important role in preventing oral health diseases and related ...

    Authors: Mahsa Babaei, Jeanne Freeland-Graves, Prageet K. Sachdev and Gary J. Wright
    Citation: Bulletin of the National Research Centre 2022 46:219
  9. The aim of this study is to evaluate an experimental tricalcium silicate phase (C3S) and tetracalcium phosphate (TTCP) material to be used as a root canal furcation perforation repair. C3S and TTCP phases were sy...

    Authors: M. M. Radwan and M. E. Khallaf
    Citation: Bulletin of the National Research Centre 2022 46:207
  10. Growth and development of the dental arch is considered a continuous and complex biological process. During transition from primary to mixed then to permanent dentition, dental arch form, length and width vary...

    Authors: Rasha F. Sharaf, Ehab Radwan, Ghada A. Salem and Mohamed Abou El-yazeed
    Citation: Bulletin of the National Research Centre 2022 46:201
  11. Treating cancer is challenging for both the patient and the physician. This may be explained by the fact that treatment regimens rely on either chemotherapy alone or a combination with radiotherapy. Both modal...

    Authors: Marwa Mohamed Ellithy, Riham Mohamed Aly and Heba El-Sayed Tarek
    Citation: Bulletin of the National Research Centre 2022 46:195
  12. This study evaluated the durability of optical properties of chameleon effect of Omnichroma and Essentia composite thermocycled in black dark drinks. 180 specimens of 10 mm diameter × 2 mm thickness from each ...

    Authors: Bassma Abdelhamed, Asmaa Abdel-Hakeem Metwally and Heba A. Shalaby
    Citation: Bulletin of the National Research Centre 2022 46:184
  13. The aim of this work was to study the influence of simulated body fluid (SBF) and Pseudomonas aeruginosa (in Mueller Hinton Broth, MHB media) on the hydration reactions, formation of strätlingite (C2ASH8) and mor...

    Authors: M. M. Radwan and Shaymaa M. Nagi
    Citation: Bulletin of the National Research Centre 2022 46:180
  14. The aim of this Systematic review is to provide more accurate knowledge about the relation between bruxism, Dental implant and the implant-supported prosthesis.

    Authors: Abboud Youssef, Joe Hobeiche, Amine El Zoghbi, Rola Mortada and Ziad Salameh
    Citation: Bulletin of the National Research Centre 2022 46:172
  15. In 2019, a viral and respiratory pathology called COVID-19 emerged in Wuhan, China, and spread to other continents. Its main symptoms include fever, cough, dyspnea, myalgia, anorexia and respiratory distress i...

    Authors: Juliano Abreu Pacheco, Kelly Fernanda Molena, Camila Raíssa Oliveira Gontijo Martins, Silmara Aparecida Milori Corona and Maria Cristina Borsatto
    Citation: Bulletin of the National Research Centre 2022 46:140
  16. To compare the push out bond strength of MTA apical plug in a simulated immature root, after using different irrigation protocols; NaOCl + 20% Etidronic acid (HEBP) and NaOCl + 17% Ethylenediaminetetraacetic a...

    Authors: Nada Omar Mostafa, Nihal Refaat Kabel and Muhammad Abbass Masoud
    Citation: Bulletin of the National Research Centre 2022 46:138
  17. Preheating is one of several innovative approaches and improvements developed to increase the durability and clinical behavior of resin composites. Development of preheated composites is to reduce its viscosit...

    Authors: AlShimaa Nasser, Nermin A. Mahmoud and Mona I. Riad
    Citation: Bulletin of the National Research Centre 2022 46:121
  18. To evaluate the effect of modifying conventional glass ionomer (CGIC) and resin-modified glass ionomer (RMGIC) with nano-hydroxyapatite (Nano-HA) on their clinical performance as restorations for class V cavit...

    Authors: Zeinab M. Zaki, Shaymaa M. Nagi, Ali E. Abdelnabi, Adli A. Hanna, Dina W. Elkassas, Mohamed H. Zaazou and Maha A. Niazy
    Citation: Bulletin of the National Research Centre 2022 46:116
  19. Mouth breathing is considered as a mode of breathing modality that presents as a replacement to normal nasal breathing. This persistent pattern of mouth breathing have considerable influence on the development...

    Authors: Lakshmi Thribhuvanan and M. S. Saravanakumar
    Citation: Bulletin of the National Research Centre 2022 46:111
  20. Osteoradionecrosis of the jaw (ORNJ) is a well-known chronic side effect of radiotherapy (RT) for head and neck malignancies. Osteonecrosis of the jaw (ONJ), similar pathology to ORNJ, may be induced by bispho...

    Authors: Atsushi Shudo
    Citation: Bulletin of the National Research Centre 2022 46:98
  21. Fibromyalgia syndrome (FM) is often accompanied by anxiety. Dental anxiety is common in society and negatively affects the application of patients to the dentist.

    Authors: Manolya Ilhanli, Mehmet Alptekin Karacesme, Ilker Ilhanli and Peruze Celenk
    Citation: Bulletin of the National Research Centre 2022 46:90
  22. The most critical part in management of children in the dental clinic is control of pain and this can be achieved through local anesthesia. When the treatment plan includes extraction of mandibular primary mol...

    Authors: Rasha F. Sharaf and Nihal Kabel
    Citation: Bulletin of the National Research Centre 2022 46:83
  23. This study investigated the effect of preheating of bulk-fill BIS-GMA free and containing resin composite on post-gel shrinkage strain. In a split Teflon mold, sixty resin composite specimens were prepared wit...

    Authors: Mohamed Lotfy, Nermin A. Mahmoud and Mona I. Riad
    Citation: Bulletin of the National Research Centre 2022 46:74
  24. The purpose of the current study was to compare the antibacterial activity of silver nanoparticles AgNPs paste and silver nanoparticles AgNPs with curcumin paste as intracanal medications versus calcium hydrox...

    Authors: Soha Adel Abdou and Amira Ibrahim Mohamed
    Citation: Bulletin of the National Research Centre 2022 46:36
  25. Anxiety and fear of dental treatment in children have been recognized as sources of serious health problems. Parents are known to subtly transmit feelings of fear and anxiety to their children Commonly which h...

    Authors: Lakshmi Thribhuvanan, M. S. Saravanakumar and G. Anjana
    Citation: Bulletin of the National Research Centre 2021 45:227
  26. Objective was to investigate the effect of NovaMin toothpaste and two experimental toothpastes on surface microhardness of hypersensitive dentin.

    Authors: Hoda R. Riad, Osama S. Mosallam, Alaa H. Salama, Lamiaa M. Moharam, Mohamed H Zaazou, Hanan A. Niazi and Mokhtar N. Ibrahim
    Citation: Bulletin of the National Research Centre 2021 45:224
  27. Molar-Incisor Hypomineralization (MIH) is a prevalent clinical condition which is associated with a high burden of disease. The present study aimed to assess and compare the knowledge, perceptions, and clinica...

    Authors: Alaa Mohammed Yehia, Amr M. Abdelaziz and Amira Badran
    Citation: Bulletin of the National Research Centre 2021 45:206
  28. The aim of this study was to compare the clinical performance of Nano-hydroxyapatite-modified conventional glass ionomer cement (NHA-GIC) and Nano-hydroxyapatite-modified resin-modified glass ionomer cement (N...

    Authors: Zeinab M. Zaki, Maha A. Niazy, Mohamed H. Zaazou, Shaymaa M. Nagi and Dina W. Elkassas
    Citation: Bulletin of the National Research Centre 2021 45:199

    The Correction to this article has been published in Bulletin of the National Research Centre 2021 45:211

  29. This study aimed to in vivo and in vitro evaluate the remineralization potential and shear bond strength (SBS) of experimentally prepared tri-calcium aluminate (C3A)-modified glass ionomer cements on sound and ar...

    Authors: M. M. Radwan, H. K. Abd EL-Hamid and Shaymaa M. Nagi
    Citation: Bulletin of the National Research Centre 2021 45:192
  30. Enormous improvements in dental materials’ manufacturing for the aim of producing durable dental materials without compromising the aesthetic properties were developed. One of the approaches that fulfill this ...

    Authors: Engie M. Safwat, Ahmad G. A. Khater, Ahmed G. Abd-Elsatar and Gamal A. Khater
    Citation: Bulletin of the National Research Centre 2021 45:190
  31. Was to evaluate effect of clove, turmeric and garlic nano-herbal extracts on surface roughness and microhardness of demineralized dentin, and their bactericidal effect on Streptococcus mutans and Streptococcus so...

    Authors: Lamiaa M. Moharam, Doaa M. Sadony, Manal M. Adel and Karim Montasser
    Citation: Bulletin of the National Research Centre 2021 45:178
  32. Extraction of the first premolar followed by canine retraction into the extraction space is a common treatment in orthodontics. Molar rotation occurs when they are used as anchorage units for the canine distal...

    Authors: Reem M. AlShazly, Ahmad F. Almohammad, Hend Salah ElSayed and Amr Ragab EL-Beialy
    Citation: Bulletin of the National Research Centre 2021 45:160
  33. The choice between extraction and expansion treatment is an endless debate in orthodontics. Ethnic and secular variations showed that there was a change in  arch perimeter over the last 50 years. Accordingly,...

    Authors: Omnia A. Elhiny, Mohammed Abou Elyazied and Ghada A. Salem
    Citation: Bulletin of the National Research Centre 2021 45:141
  34. This study aimed at assessing the effect of different kinematics as well as different instrument designs on efficiency of cutting of two heat-treated nickel–titanium systems. Forty resin canals with 30°-angle ...

    Authors: Engy M. Kataia, Mohamed Mokhtar Nagy, Mohamed M. Kataia and Hala Fayek Khalil
    Citation: Bulletin of the National Research Centre 2021 45:120
  35. The oral lymphoepithelial cyst (LEC) is a rare, soft-tissue, developmental cyst, initially presented by Gold in 1962 as a “branchial cleft cyst”. It may occur in the pancreas, tongue, neck, and other regions o...

    Authors: Sana Iqbal, Sufyan Ahmed and Mehwash Kashif
    Citation: Bulletin of the National Research Centre 2021 45:111
  36. Using remineralizing agents during and after bleaching procedures could maintain enamel surface, decreasing its erosive susceptibility. This study evaluated the efficacy of an in-office and at-home bleaching m...

    Authors: Shaymaa M. Nagi, Shahinaz H. Nabil and Mohamed H. Zaazou
    Citation: Bulletin of the National Research Centre 2021 45:68
  37. Primary chronic osteomyelitis is a rare occurrence in the pediatric mandible though it exclusively affects the mandible with no age preference. The absence of pus, fistula and sequestration are characteristic ...

    Authors: T. Kavya Priya, Amith Hadhimane, Kirthi Kumar Rai, H. R. Shiva Kumar, Amarnath P. Upasi and Vinayak Gourish Naik
    Citation: Bulletin of the National Research Centre 2021 45:64
  38. Oral lichen planus is a chronic inflammatory and immune-mediated disease that affects the oral mucosa. Recent findings have suggested that oral lichen planus is often associated with submucosal fibrotic change...

    Authors: Atsushi Shudo
    Citation: Bulletin of the National Research Centre 2021 45:56
  39. To evaluate the antibacterial effect of diode laser and photodynamic therapy using methylene blue dye when used alone or in combination with Moringa oleifera extract on root canal microbes. A total of 50 single r...

    Authors: Doaa M. Sadony, Maram E. Khallaf and Jackline Samir Kamal
    Citation: Bulletin of the National Research Centre 2021 45:53
  40. Comparing shaping ability of Azure and Fanta AF One in rotation and reciprocation. This study was conducted on 40 resin blocks, having canal curvatures 30°-angle and of 16-mm length. The blocks were assigned t...

    Authors: Engy M. Kataia, Mohamed Mokhtar Nagy, Mohamed M. Kataia and Hala Fayek Khalil
    Citation: Bulletin of the National Research Centre 2021 45:42
  41. Coronavirus disease (COVID-19) is considered a highly contagious disease with flu-like symptoms and causing relatively high level of death. It can be transmitted from a person to another through droplets and t...

    Authors: Rasha F. Sharaf and Nihal Kabel
    Citation: Bulletin of the National Research Centre 2021 45:32
  42. This study aimed to evaluate the remaining amount of intra canal medicament in the root canals and their effect on microhardness of radicular dentine. In this study, ninety straight single-rooted teeth were us...

    Authors: Yousra Aly, Nada Omar, Engy M. Kataia, Maram E. Khallaf and Mohamed H. Zaazou
    Citation: Bulletin of the National Research Centre 2021 45:12
  43. This paper outlines the current status and mechanism for identifying dental implants, with emphasis on future direction and updated technology, and covers the existing factors influencing the identification of...

    Authors: Mohammad Ali Saghiri, Peter Freag, Amir Fakhrzadeh, Ali Mohammad Saghiri and Jessica Eid
    Citation: Bulletin of the National Research Centre 2021 45:7