Egyptian dental journal最新文献

{"title":"Effectiveness Of Smartphone Application In Improving Oral Hygiene Compared To Oral Instructions In Patients With Plaque-induced Gingivitis: A Randomized Controlled Trial","authors":"khaled Selim Selim, Samah Bahaa","doi":"10.21608/edj.2024.300035.3094","DOIUrl":"https://doi.org/10.21608/edj.2024.300035.3094","url":null,"abstract":"","PeriodicalId":11504,"journal":{"name":"Egyptian dental journal","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-07-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141818161","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}

{"title":"Histopathological Evaluation of Cholecalciferol Overdose on Tongue Structure of Albino Rats (Immunohistochemical Study)","authors":"Gihan S. Hassan, Mayada Elhusseiny, Ghada A. Abdellatif, H. Ibrahim","doi":"10.21608/edj.2024.294462.3068","DOIUrl":"https://doi.org/10.21608/edj.2024.294462.3068","url":null,"abstract":"","PeriodicalId":11504,"journal":{"name":"Egyptian dental journal","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-07-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141661375","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}

{"title":"The Effect of The Ultraconservative Access Cavity on The Homogeneity of Root Canal Obturation","authors":"Abdelaziz Mohamed Emam, Abeer Abdelhakim Elgendy, M. Fakhr","doi":"10.21608/edj.2024.292224.3052","DOIUrl":"https://doi.org/10.21608/edj.2024.292224.3052","url":null,"abstract":"Introduction: This in vitro study investigated the impact of access cavity design and obturation technique on void formation within root canal fillings. Material and Methods : Eighty-four extracted lower first molars were allocated to two groups based on access cavity design: ultraconservative (UCAC) and traditional (TAC). Each group was further subdivided for obturation with either lateral condensation (LC) or continuous wave compaction (CWC). Stereo-microscopic analysis assessed void percentage within the obturation material in the distal canal. Results: continuous wave obturation technique demonstrably reduced void formation compared to lateral condensation (p < 0.05), irrespective of access cavity design or location within the canal. The UCAC design exhibited a generally higher void percentage compared to TAC (p < 0.05), although the statistical significance varied depending on the obturation technique employed. The apical third of the distal canal consistently displayed the highest void percentages, likely attributable to inherent anatomical complexities. Conclusion : These findings suggested a potential challenge in optimizing both tooth structure preservation and obturation quality. While UCAC minimizes tooth removal, it might necessitate obturation techniques like CWC that offer superior void reduction capabilities, particularly in scenarios with limited access. Further research is warranted to explore strategies for mitigating void formation in UCAC preparations and to refine obturation techniques for achieving optimal long-term outcomes in endodontic therapy.","PeriodicalId":11504,"journal":{"name":"Egyptian dental journal","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141713021","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}

{"title":"The ability of three different protocols in removing Bioceramic- and Resin-Based sealers from simulated internal resorption cavities: an in vitro study","authors":"Ahmad M. Alhaddad, Saied Mohamed Abdelaziz, Fatma ElZahraa ElAbbasy","doi":"10.21608/edj.2024.282084.3002","DOIUrl":"https://doi.org/10.21608/edj.2024.282084.3002","url":null,"abstract":"Aim: this study aims to to compare two sealers removability (bioceramic based and resin based) using three approaches (XP-endo shaper, XP-endo finisher, and Passive Ultrasonic Irrigation) in internal root resorption simulated teeth. Methodology: 132 extracted mandibular premolars were prepared and split, artificial cavities were placed on both teeth segments 5 mm from root apex then teeth segments were brought back together and fixed in epoxy resin model. Models were randomly assigned to six groups (n=22) according to the root canal filling and retreatment protocol. Group 1: (filled with GP + BC sealer and retreated using XP-endo Finisher). Group 2: (filled with GP + Resin sealer and retreated using XP-endo Finisher). Group 3: (filled with GP + BC sealer and retreated using XP-endo Shaper). Group 4: (filled with GP + Resin sealer and retreated using XP-endo Shaper). Group 5: (filled with GP + BC sealer and retreated using PUI). Group 6: (filled with GP + Resin sealer and retreated using PUI). Samples were incubated for 4 weeks then teeth were extracted from epoxy model and split again to evaluate sealer removability under digital light microscope. Results: No significant difference were found between the six groups when it comes to sealer removability Van der Sluis score (p = 0.013). Group 5 showed the highest Van der Sluis score followed by groups 1, 2, 4 and 6 without significant difference between them. Group 3 showed a significantly lower Van der Sluis score than group 5. There was no significant difference between group 3 and groups 1, 2, 4 and 6 in the Van der Sluis score. Conclusion: No treatment protocol was able to eliminate all sealer remnant effectively. Resin based sealer showed no significant difference when compared to Bioceramic based sealer when it comes to sealer removability, the exception was that XP-endo shaper showed significantly better results when compared to passive ultrasonic activation which has failed to remove Bioceramic remnants compared to XP-endo shaper.","PeriodicalId":11504,"journal":{"name":"Egyptian dental journal","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141690359","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}

{"title":"Radiographic Assessment Of Soft Tissue Changes In Advancement Genioplasty: Computer Guided Osteotomy Versus Peek Onlay Approach: A Randomized Clinical Trial","authors":"Ghada Abdel Monim, M. Shawky, M. Shaker, Mohammed Abdel Rasoul, I. Chehata","doi":"10.21608/edj.2024.294401.3066","DOIUrl":"https://doi.org/10.21608/edj.2024.294401.3066","url":null,"abstract":"Background: Advances in computer-aided surgeries and virtual planning have increased the precision of surgically guided techniques and have improved the utilization of specific-patient implants. The purpose of this research was to present a radiographic technique for evaluating the gain of soft tissue with computer guided advancement genioplasty versus specific-patient PEEK chin implants in patients having recessed chins. Materials and methods: Patients with recessed chins who required corrective genioplasty were selected and divided arbitrarily and evenly into 2 groups. Group A underwent computer-guided advancement genioplasty. While, Group B was given a specific-patient PEEK onlay chin implant. Preoperative and 1-year postoperative CT images were superimposed, and the 3D produced soft tissue shapes were compared. Patients were provided with information on the study’s purpose, as well as the potential risks and advantages associated with the surgery and treatment plan. Verbal consent was obtained from all patients to confirm their approval to participate in the present study. Results: Ten patients were included in each group. The chin advancement mean in Group A was 7.569 mm ± 0.82 having significantly higher mean than 6.20 mm ± 1.26 for Group B . The 1 year gain of soft tissue mean in Group A was 7.195 mm ± 0.67 having significantly higher mean than 4.745 mm ± 1.65 for Group B . Conclusion: Radiographic soft tissue assessment is a dependable method for evaluating changes in soft tissues. In addition, Computer guided advancement genioplasty may result in greater improvement of soft tissue than PEEK chin implants.","PeriodicalId":11504,"journal":{"name":"Egyptian dental journal","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141692011","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}

{"title":"Effect of Simulated Intrapulpal Pressure on Microtensile Bond Strength of Self-adhesive Resin Composite to Dentin","authors":"Y. El-Bouhi","doi":"10.21608/edj.2024.282398.3004","DOIUrl":"https://doi.org/10.21608/edj.2024.282398.3004","url":null,"abstract":"Background/Aim: This in vitro study aimed to evaluate the microtensile bond strength (µTBS) of a self-adhesive flowable resin composite (Vertise Flow) under simulated intrapulpal pressure IPP) and compare it to a conventional adhesive and flowable composite combination. Materials and Methods: Thirty human molars were used. IPP of 15 cm H 2 O was applied. Group I (control): Adeper Easy One + Z 250 (composite), Group II: Etching + Adeper Easy One + Z 250, Group III: Adeper Easy One + flowable composite + Z 250, Group IV: Etching + Adeper Easy One + flowable composite + Z 250, Group V: Vertise Flow + Z 250, and Group VI: Etching + Vertise Flow + Z 250. Data analysis employed one-way ANOVA with Tukey’s post-hoc test for inter-group comparisons (at P < 0.05). Results: Etching the dentin prior to bonding with Adeper Easy One significantly increased µTBS to 25.12 MPa (S.D.: 5.78 MPa). Application of flowable composite resulted in a µTBS of 13.62 MPa (S.D. = 5.50 MPa), not statistically different. Group IV exhibited the highest mean µTBS (31.26 MPa, S.D. = 6.04 MPa). Group V showed the lowest mean µTBS (8.89 MPa, S.D. = 0.97 MPa). Etching before application of Vertise Flow in Group VI showed significant increased µTBS to 13.83 MPa (S.D. = 1.33 MPa) Conclusion: Dentin conditioning before application of Vetise Flow is necessary to produce a µTBS comparable to that of conventional approach of self-etch adhesive.","PeriodicalId":11504,"journal":{"name":"Egyptian dental journal","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141706246","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}

{"title":"Cytotoxicity of Different Bioceramic Sealers","authors":"Asmaa Ahmed Desouky, Mohamed Badawy Badawy, Weaam Anous","doi":"10.21608/edj.2024.267865.2923","DOIUrl":"https://doi.org/10.21608/edj.2024.267865.2923","url":null,"abstract":"Aim: This study seeks to assess the cytotoxic impact of various bioceramic sealers, namely Well-Root ST, CeraSeal, and NeoSEALER Flo, in comparison to AH Plus sealer. The evaluation encompasses both the fresh and set states of these sealers, employing the MTT assay on human periodontal ligament fibroblasts. Materials and methods: Following the manufacturers’ instructions, the four tested sealers were blended in a sterile environment and then placed into standardized plastic rings. Extracts derived from the tested sealers were applied to human periodontal ligament fibroblasts. The freshly mixed sealers were examined immediately after mixing, with their extracts prepared at that moment. On the other hand, the remaining specimens, designated as set specimens, were incubated in a humidified environment with 5% CO2 and 95% air at 37º C for 24 hours before extraction to create extracts of the tested sealers. The extracted material was then diluted with DMEM to achieve twelve distinct concentrations of each extract 50%, 25%, 12.5%, 6.25%, 3.12%, 1.56%, 0.78%, 0.4%, 0.2%, 0.1%, 0.05%, and 0.025%. The cytotoxicity of all root canal sealers was evaluated using the MTT assay, followed by the calculation of cell viability percentages. Results: AH Plus showed the highest toxicity followed by the NeoSEALER Flo then Well-Root ST and the least toxicity was CeraSeal. Conclusion: The assessed root canal sealers exhibited differing levels of cytotoxicity, and the rise in cell viability percentages was contingent on the concentration.","PeriodicalId":11504,"journal":{"name":"Egyptian dental journal","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141695132","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}

{"title":"The Effect of Accuracy of All on 4 Mandibular Implant Hybrid Prosthesis Fabricated by Two Different Impression Techniques (Digital versus Conventional) on Bone Loss.","authors":"Amr Salah el-din Gomaa, Amr abd el bary emara, Elsayed H. Ali, Omayma Mohamad","doi":"10.21608/edj.2024.273507.2962","DOIUrl":"https://doi.org/10.21608/edj.2024.273507.2962","url":null,"abstract":"Objectives: Comparing the accuracy of all on four implants supported hybrid prosthesis which gained from two different impression techniques (digital versus conventional) in order to show its effect on marginal bone loss. Materials and Methods: 16 completely edentulous patients with age range above 60 years were participated in this study received new upper and lower dentures. Placement of four implants in the inter-foraminal area of the mandible were done according to the concept of “All on four implants” followed by immediate loading with the lower denture. Three months later, the patients were divided in a random manner into two equal groups: Group I: performed a digital intraoral scanning for lower arch, Group II: performed an open tray abutment level impression technique for lower arch then a hyprid prosthesis were fabricated and measure the level of bone loss in 0,3,6,12 months radiographicaly. Results: The results of this study showed statistically insignificant less bone height changes in Group I in comparison to Group II according to the radiographic outcomes. Conclusion: All on 4 mandibular implant hybrid prosthesis fabricated from digital impression prove to be more precise and more reliable than that fabricated from conventional impression and regarding bone height changes the group of digital impression showed less marginal bone loss that enhance prognosis of dental prosthesis and implant survival rate.","PeriodicalId":11504,"journal":{"name":"Egyptian dental journal","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141701090","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}

{"title":"Marginal Seal of Sonic-activated Composite resin Restorations Using Different Dispensing Rates","authors":"Al-Zahraa Mohamed El-Marhomy, A. Nassar","doi":"10.21608/edj.2024.287985.3031","DOIUrl":"https://doi.org/10.21608/edj.2024.287985.3031","url":null,"abstract":"Aim: To evaluate the marginal seal of sonic-activated composite resin using various dispensing rates in class V restorations. Materials and methods: Standardized class V cavities were performed in forty extracted sound human molars that were arbitrarily divided into four equal groups (n=10) according to the extrusion force magnitude and dispensing technique as follows: Group I (Control), manual extrusion force (FM), Group II: low extrusion force (F1) of sonic energy, Group III: medium extrusion force (F3) of sonic energy and Group IV: high extrusion force (F5) of sonic energy. Composite resins were packed inside the prepared cavities and photopolymerized. For groups II, III, and IV, a Sonic Fill handpiece was used to deliver sonic energy. While for group I, no sonic energy was used. All specimens were thermocycled, gold-sputtered, and examined under a scanning electron microscope for marginal seal assessment. Statistical analysis was done using Kruskall-Wallis and Mann-Whitney tests, with a significance level of P ≤ 0.05. Results: Group I showed higher marginal gaps (1.70±0.67) compared to sonic-activated groups (p<0.05). Marginal gaps of group II (1.0 ± 0.82) were nearly similar to that of group III (0.80±0.79) (p>0.05), while group IV (0.20 ± 0.42) revealed a significant decrease in the marginal gaps to that of group II and III (p<0.05). Conclusions: Using the Sonic Fill handpiece at the highest extrusion force enhances the marginal sealing of SonicFill 2 composite resin restorations compared to the medium and lowest extrusion forces.","PeriodicalId":11504,"journal":{"name":"Egyptian dental journal","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141703153","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}

{"title":"The Potential Effect of Bisphosphonate on Teeth Enamel and Dentin Formation in Both Normal and Osteoporotic Albino Rats","authors":"Somaya M Salawat, Eman Mohammed Hassan","doi":"10.21608/edj.2024.265506.2909","DOIUrl":"https://doi.org/10.21608/edj.2024.265506.2909","url":null,"abstract":"Aim: The aim of the current study to establish the effect of Bisphosphonate on Teeth Enamel and Dentin Formation in Both Normal and Osteoporotic Albino Rats. Materials and Methods: This study was included 4 groups of newborn rats, these groups were divided as follow: Group I (negative control), Group II (positive control), Group III (Bisphosphonate group), Group IV (Betamethasone & Bisphosphonate). The numbers of rats in each group were ten rats so the total numbers of rats were forty newborn rats with their average weight 5 grams then according to the date of euthanization of the rats at 10, 20 days; each group was divided into two subgroups. Injection of drugs in the dorsal back of rats were made. The specimens were processed for histological, histomorphometry and statistical analysis. Results: Betamethasone (Group II) made over the developing molar teeth bone resorption but made increasing the thickness of enamel and dentin while Bisphosphonate (group III) made disorientation of odontoblastic layer and decreased the thickness of the mineralized dentin. Dental follicle of the 1st molar appeared discontinuous because it was invaded by bone spicules that reached dental organ at some points at the occlusal portion made deformity of enamel matrix and decreased the thickness of the enamel. In group IV: Both drugs made very thin layer of enamel but made little effect on dentin thickness Conclusion: Betamethasone decreased dentin mineralization but increased its thickness and also decreased the mineralization of ename while Bisphosphonate decreased dentin mineralization and made distortion of odontoblastic layer inside pulp but made more increasing in its thickness.","PeriodicalId":11504,"journal":{"name":"Egyptian dental journal","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141705087","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}