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- Restorative Dentistry Issue (Removable Prosthodontics, Fixed Prosthodontics, Endodontics, Dental Biomaterials, Operative Dentistry) (259)
- Oral Medicine and Surgical Sciences Issue (Oral Medicine, Oral and Maxillofacial Surgery, Oral Pathology, Oral Biology) (122)
- Pediatric dentistry and orthodontics Issue (Pediatric Dentistry, Orthodontics) (100)
- Missed (11)
- Implant (4)
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- Diode Laser (3)
- Fracture resistance (3)
- 3D printing (2)
- Aloe Vera (2)
- Apoptosis. (2)
- CBCT (2)
- Calcium phosphate; primary teeth; Pulpotomy; Formocresol (2)
- Caries; minimal invasive dentistry; smartprep burs (2)
- Cariogenic Microflora; Egyptian children; Licorice extract (2)
- Chlorhexidine (2)
- Chromium; Nickel; stainless steel crowns (2)
- Complete dentures; Electromyographic activity; rapid prototyping (2)
- Cone beam computed tomography; Crossbite (2)
- Dental implant (2)
- Enamel remineralization; Diode laser; Amelogenin peptide (2)
- Expansion (2)
- Grape seed extract; cardanol; natural bio-modifiers (2)
- HNO97; PVA; Curcumin; Cytotoxicity; Flow cytometry (2)
- Hanau Equation; Gothic arch tracer; cone beam CT (2)
- Hyaluronic acid (2)
- Implant over-denture; Zirconia abutment; Titanium abutment (2)
- Implants; Overdentures; PEEK; Metal frameworks (2)
- Indirect pulp treatment; primary molars; Dycal; Vitrebond; TheraCal LC (2)
- Interdental papilla; Hyaluronic acid; Injectable Platelet-rich fibrin (2)
- Intraoral scanner; Extraoral scanner; Marginal gap distance (2)
Articles 31 - 60 of 584
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Effect Of Protein Repellent Addition To Self-Healing Experimental Resin Composite On Microcosm Biofilm And Cytotoxicity, Passant Abdel Hameed, Inas Motawea, Hisham Essawy, Mohamed Hosny
Effect Of Protein Repellent Addition To Self-Healing Experimental Resin Composite On Microcosm Biofilm And Cytotoxicity, Passant Abdel Hameed, Inas Motawea, Hisham Essawy, Mohamed Hosny
Al-Azhar Journal of Dentistry
Purpose: To investigate the effect of addition of MPC protein repellent agent to selfhealingexperimental resin composite on the self-healing efficacy, microcosm biofilmand the cytoxicity. Material and Methods: Polyurea formaldehyde microcapsuleswere synthesized by Insitu Polymerization Technique. MPC and the microcapsules areadded to the prepared experimental resin composite with different MPC concentrations.Protein repellence essay was examined by the Micro bicinchoninic Acid method.Biofilm models formed of streptococcus mutans growth was prepared and visualized byconfocal laser electron microscope to investigate the live \ dead assay over the studiedspecimens. The cytotoxicity of the specimens was examined via SRB assay. Fracturetoughness was examined using universal testing …
Use Of Injectable Hyaluronic Acid Gel And Injectable Platelet-Rich Fibrin In The Treatment Of Gingival Black Triangles: A Randomized Clinical Trial, Ingy Fakher, Hala Hazzaa, Nora Abdelgawad
Use Of Injectable Hyaluronic Acid Gel And Injectable Platelet-Rich Fibrin In The Treatment Of Gingival Black Triangles: A Randomized Clinical Trial, Ingy Fakher, Hala Hazzaa, Nora Abdelgawad
Al-Azhar Journal of Dentistry
Purpose: The current study aimed to compare the efficacy of injectable hyaluronic acid gel and injectable platelet rich fibrin, either alone or combined; for the reconstruction of defective interdental papilla using clinical approaches. Subjects and Methods: A total sample size of eighteen class I and class II deficient interdental papillae sites were randomly divided in 3 groups. Group 1 included 6 sites that were treated by 0.2ml hyaluronic acid gel injection. Group 2 included 6 sites that were treated by injectable platelet-rich fibrin (i-PRF). Group 3 included 6 sites that were treated by a combination of 0.2ml hyaluronic acid gel …
Tooth Repair By Treated Dentin Matrix Alone And Impregnated With Bone Marrow Mesenchymal Stem Cells In Rabbits, Dina M. Elbarky, Heba A. Adawy, Mena Fathy
Tooth Repair By Treated Dentin Matrix Alone And Impregnated With Bone Marrow Mesenchymal Stem Cells In Rabbits, Dina M. Elbarky, Heba A. Adawy, Mena Fathy
Al-Azhar Journal of Dentistry
Purpose: This study aimed to see if treated dentin matrix paste (TDMP) alone and treated dentin matrix (TDM) powder combined with stem cells derived from bone marrow (BMMSCs) could induce the formation of calcific barrier after direct pulp capping procedures. Materials and methods: In this study 18 posterior teeth in 9 New Zealand white rabbits were involved and simple randomization design was used. All of the experimental teeth were subjected to direct pulp capping procedures. Eighteen teeth were divided into 3 groups, each one consisted of 6 teeth. In group I, calcium hydroxide (CH) was used, while TDMP and TDM …
Evaluation Of The Effect Of Hyaluronic Acid Gel Loaded With Simvastatin On The Osseointegration And Stability Of The Dental Implants, Wesam S. Ibrahim, Fatma I. Mohammed, Hanan M. Reda
Evaluation Of The Effect Of Hyaluronic Acid Gel Loaded With Simvastatin On The Osseointegration And Stability Of The Dental Implants, Wesam S. Ibrahim, Fatma I. Mohammed, Hanan M. Reda
Al-Azhar Journal of Dentistry
Purpose: The purpose of this study was to assess the clinical and radiographic outcomes of mandibular posterior edentulous area rehabilitation by fixed implant supported prosthesis with or without use of Hyaluronic Acid Gel loaded with Simvastatin. Subjects and methods: Twelve implants were inserted in mandibular posterior edentulous region that required rehabilitation with fixed implant-supported prosthesis were included in this study. The patients were divided into 2 groups: Group A; the edentulous sites were treated by 6 implants which were inserted with the application of Hyaluronic acid (HA) gel loaded with Simvastatin (SMV) in the drilling site. Group B; Six dental …
The Effect Of Low Intensity Laser On Bone Regeneration Of Intrabony Defects Treated By Liquid Phase Platelet Rich Fibrin And Membrane With Bone Graft, Eman A. Hatab, Hamdy A. Nassar, Naglaa S. Elkilani
The Effect Of Low Intensity Laser On Bone Regeneration Of Intrabony Defects Treated By Liquid Phase Platelet Rich Fibrin And Membrane With Bone Graft, Eman A. Hatab, Hamdy A. Nassar, Naglaa S. Elkilani
Al-Azhar Journal of Dentistry
Purpose: The current clinical study was done to examine clinical and radiographic changes of intrabony defects in response to LLLT combined with Platelet Rich Fibrin (PRF)system & bovine engraft. Material and methods: The study was conducted on twenty (20) sites from ten (10) patients. A spilt-mouth design was used, sites were randomly selected from each patient, into two groups: control group; ten (10) sites received PRF system without irradiation, and laser group; ten (10) sites received PRF system and it was irradiated with low level laser. Clinical parameters included probing pocket depth (PPD), clinical attachment level (CAL), Plaque index (PI), …
Clinical And Microbiological Evaluation Of Smartprep Burs In Caries Removal In Primary Teeth, Asmaa Faiek, Mohamad Mostafa, Samy Al-Bauomy
Clinical And Microbiological Evaluation Of Smartprep Burs In Caries Removal In Primary Teeth, Asmaa Faiek, Mohamad Mostafa, Samy Al-Bauomy
Al-Azhar Journal of Dentistry
Purpose: To evaluate the efficacy of smartprep burs in caries removal in primary teeth clinically and microbiologically, also to assess the time taken for caries removal and the pain perception experienced by children compared with conventional carbide burs and sharp spoon excavator. Materials and Methods: A total of 51 teeth from children ranging from 4 -9 years old of both sexes, were selected for this study after they met inclusion criteria. The teeth were randomly assigned to three groups, seventeen teeth for each group. The patients were recalled at 1, 6 weeks and 3 months for clinical evaluation. Results: Microbiologically …
Transverse Skeletal Effects Of Hyrax-Type Rapid Maxillary Expansion With Or Without Laser Biostimulation, Hadeel Hamed, Ahmed Salama, Hend Hafez, Mai Mansour, Mostafa Gheith
Transverse Skeletal Effects Of Hyrax-Type Rapid Maxillary Expansion With Or Without Laser Biostimulation, Hadeel Hamed, Ahmed Salama, Hend Hafez, Mai Mansour, Mostafa Gheith
Al-Azhar Journal of Dentistry
ABSTRACT Purpose: The aim of this study is to assess the effect of Laser biostimulation on the transverse changes of maxilla and mandible after rapid maxillary expansion in growing patients. Subject and Methods: Twenty growing patients with posterior teeth in crossbite were included in this study. Patients were randomly divided into two groups. Rapid maxillary expansion had been carried out for all patients. In laser group Laser was applies on mid palatal suture during active expansion and during retention. The control group had no laser with their expansion procedures. Pre-treatment and post-treatment Cone beam computed tomographies were used to compare …
Comparative Study Of Calcium Phosphate Versus Formocresol In Pulp Treatment Of Primary Teeth, Taghrid Mohammed, Mervat Fawzy, Mohamad Mostafa
Comparative Study Of Calcium Phosphate Versus Formocresol In Pulp Treatment Of Primary Teeth, Taghrid Mohammed, Mervat Fawzy, Mohamad Mostafa
Al-Azhar Journal of Dentistry
ABSTRACT:Purpose: Clinical and radiographic evaluation of the postoperative success of Calcium Phosphate and formocreosl (FC) materials in pulpotomy treatment of primary teeth. Materials and Method: 75 Primary molars in 25 patients were chosen according to specific criteria. Teeth were devided depending on the pulpotomy material into 3 groups: Group I (Calcium phosphate with physiologic saline cleansing group), Group II (Calcium phosphate with Sodium hypochlorite) and GroupIII (formcresol group). This was followed by clinical follow up after 1, 6 months and a year. In addition, Periapical radiographs were collected post-operatively, 6 and 12 months visits. Results: Despite decreasing with time, the …
Evaluation Of Controlled Release Simvastatin Around Dental Implant In Controlled Type Ii Diabetic Patient, Salma M. Baheir, Mai S. Attia, Aya M. Dawaba
Evaluation Of Controlled Release Simvastatin Around Dental Implant In Controlled Type Ii Diabetic Patient, Salma M. Baheir, Mai S. Attia, Aya M. Dawaba
Al-Azhar Journal of Dentistry
Purpose: The goal of this study was to evaluate the clinical effect of topically controlled release simvastatin with dental implant in type II diabetic patients. Materials and Methods: Sixteen diabetic type II patients with missing teeth were selected according to inclusion and exclusion criteria. Patients were divided randomly into two groups using flip coin method. Group I (test group): 8 patients underwent implant placement for missed tooth with controlled released simvastatin around the implant. Group II (control Group): 8 patients underwent implant placement for missed tooth without controlled released simvastatin around the implant. All patients were followed up clinically and …
Clinical Evaluation Of Different Techniques Of Gingival Depigmentation, Nahla Meligy, Omneya E. Ahmed, Osama S. El-Shall
Clinical Evaluation Of Different Techniques Of Gingival Depigmentation, Nahla Meligy, Omneya E. Ahmed, Osama S. El-Shall
Al-Azhar Journal of Dentistry
Purpose: The current study aimed to assess the difference in the clinical outcome of the removal of gingival hyperpigmentation and patient satisfaction of different techniques used for gingival depigmentation, namely; scalpel surgical technique, laser therapy, and vitamin C injection. Subject and methods: A total of thirty patients with gingival hyperpigmentation were included in this study. They were randomly divided into three equivalent groups to be managed with different gingival depigmentation techniques. Group I (control group; n = 10) involved patients treated with the scalpel surgical technique using scalpel 15. Group II (test group 1; n = 10) involved patients treated …
Evaluation Of Two Denture Base Material On The Supporting Structures Of Mandibular Tooth Supported Over Denture, Eman Mohammady, Amany Abdel-Fattah, Dina Kholief
Evaluation Of Two Denture Base Material On The Supporting Structures Of Mandibular Tooth Supported Over Denture, Eman Mohammady, Amany Abdel-Fattah, Dina Kholief
Al-Azhar Journal of Dentistry
Purpose: To compare the effect of thermoplastic resin and heat cured acrylic resindenture base materials on pocket depth and bone height around two mandibular caninessupporting mandibular tooth supported over denture. Subject and Methods: Tenpatients having completely edentulous maxillary ridge and bilateral canine in the lowerarch were selected. Root canal treatment and preparation were performed to obtainnon coping abutment with amalgam plugs that covered with over denture. Maxillarycomplete dentures were constructed for all patients. Patients were divided into two equalgroups. Group I: received thermoplastic mandibular over denture. Group II: receivedconventional heat cure acrylic resin mandibular over denture. Clinical and radiographic evaluation …
The Effect Of Zirconia And Titanium As Abutment Materials On Peri-Implant Soft And Hard Tissues In Mandibular Implant Supported Over-Denture, Reham Elshiekh, Shereen Kabeel, Hala Gamal Eldin
The Effect Of Zirconia And Titanium As Abutment Materials On Peri-Implant Soft And Hard Tissues In Mandibular Implant Supported Over-Denture, Reham Elshiekh, Shereen Kabeel, Hala Gamal Eldin
Al-Azhar Journal of Dentistry
Purpose: To evaluate the effect of zirconia and titanium as abutment materials onperi-implant bone height changes and pocket depth in mandibular implant supportedover-denture. Subjects and methods: Ten completely edentulous patients wereselected from the Outpatient Clinic of the Faculty of Dental Medicine for Girls,Al-Azhar University. Two implants were implanted in the inter-foraminal area ofmandibular ridge. Two different abutments were screwed over implants. Right abutmentwas constructed of zirconia and left one was constructed of titanium. Construction ofmaxillary complete denture and mandibular implant supported over-denture for allpatients was performed. Radiographic and clinical evaluation of implants has beenperformed at denture insertion, 6 months, 9 …
Remineralization Effect Of Two Types Of Varnishes On Induced Enamel Caries, Abeer Tageldin, Magda El-Malt, Sara Hashem
Remineralization Effect Of Two Types Of Varnishes On Induced Enamel Caries, Abeer Tageldin, Magda El-Malt, Sara Hashem
Al-Azhar Journal of Dentistry
Purpose: to assess the remineralization capacity of MI varnish and Bifluorid 10 varnish on induced white spot lesions in deciduous enamel, using Scanning Electron Microscope- Energy Dispersive X-ray. Materials and methods: Sixty human caries-free deciduous teeth were collected. The teeth were stored in 0.1% thymol solution. A 4*4*2 window was created on the buccal surface of each tooth using acid-resistant nail varnish. Samples were then divided into 3 groups according to the remineralizing agent used, each group containing 20 teeth. Group I was remineralized with MI varnish, group II was remineralized using Bifluorid 10 varnish, while group III was a …
A Comparative In Vitro Study: Cytotoxicity Effect Of Curcumin Vs Biodegradable Nanoparticles/Pva Against Hno97 And Effect Of Curcumin On Cell Cycle Phases, Sara Denewer
Al-Azhar Journal of Dentistry
Purpose: This study evaluated that curcumin and biodegradable nanoparticles with PVA as capping material, in terms of cytotoxicity followed by cell cycle analysis against the HNO97 cell line (tongue carcinoma). Material and methods: 5mg of pure curcumin, 7.5 mg of Nano curcumin formulation, and SRB for IC50 done on five concentrations. A flow cytometry test was carried on to evaluate the effect of curcumin on the HNO97 cell line. Results: This study postulated that curcumin had the highest cytotoxicity effect against cell line (HNO97) with IC50=1.59 µg/ml in comparison to curcumin nanoparticles/PVA showed low cytotoxicity owing to the pH (7.4) …
Evaluation Of The Antibacterial Effect Of Licorice Extract On Oral Microflora And Its Effect On Salivary Ph, Zahraa Yosef, Mohamad Mostafa, Safaa El-Sayed
Evaluation Of The Antibacterial Effect Of Licorice Extract On Oral Microflora And Its Effect On Salivary Ph, Zahraa Yosef, Mohamad Mostafa, Safaa El-Sayed
Al-Azhar Journal of Dentistry
Purpose: To evaluate the antibacterial effect of Licorice (as a mouth wash) on total salivary bacterial count in relation to chlorohexidine mouthwash on a group of Egyptian children and assess the effectiveness of Licorice extract rinse on salivary PH. Materials and methods :A total of 60 normal apparently healthy children aged between 6-12 years from both genders were involved in this study and equally divided into four groups(n=15) regarding to the type and concentration of the received mouthwash : group I : included children used licorice extract mouth-rinse (75%), group ІІ: included children used licorice extract mouth rinse (50%), group …
Evaluation Of Different Indirect Pulp Treatment Materials Used In Deep Carious Primary Molars, Aya Ali, Samy El-Bioumy, Mohammed Mostafa
Evaluation Of Different Indirect Pulp Treatment Materials Used In Deep Carious Primary Molars, Aya Ali, Samy El-Bioumy, Mohammed Mostafa
Al-Azhar Journal of Dentistry
Purpose: To evaluate the clinical and the radiographic outcomes of indirect pulp treatment (IPT) in primary molars using Calcium Hydroxide, Resin Modified Glass Ionomer and TheraCal LC. Subjects and Methods: Sample of 45 children aged from 4-8 years with deep carious one or more primary molars allocated randomly into 3 groups according to the capping material. Group I: Calcium Hydroxide (Dycal). Group II: Resin Modified Glass Ionomer (Vitrebond) and Group III: TheraCal LC. Teeth were treated then restored with EQUIA Forte HT in one visit and evaluated clinically and radiographically after three and six months. Results: The overall clinical and …
Evaluation Of Anti-Carcinogenic Effect Of Selenium Nanoparticles On Induced Oral Squamous Cell Carcinoma, Aya Yehia, Amany Taha, Eman Abo Hager
Evaluation Of Anti-Carcinogenic Effect Of Selenium Nanoparticles On Induced Oral Squamous Cell Carcinoma, Aya Yehia, Amany Taha, Eman Abo Hager
Al-Azhar Journal of Dentistry
Purpose: Current study proposed to estimate the anticarcinogenic influence of Selenium Nanoparticles (SeNps) on induced squamous cell carcinoma utilizing caspase3 as an apoptotic marker. Material and Methods: Thirty hamsters were used, divided into four groups. Group I: 2 hamsters were left untreated, Group II: 8 hamsters received SeNPs orally for 14 weeks at dosage of 0.5 mg/kg on alternative day along the experimental period. Group III: 10 hamsters received Dimethylbenz [a]anthracene (DMBA) (0.5%) painted by brush on the buccal pouch 3 times per week for 8 weeks, then received DMBA with 5-Fluorouracil (5-FU) for another 6 weeks twice a week …
Role Of Stem Cells In Transport Distraction Osteogenesis For Reconstruction Of Mandibular Defects After Segmental Mandibulectomy, Fatma Alzhraa Yousef, Susan Hassan, Fatma Mohammed, Wael Shawkat
Role Of Stem Cells In Transport Distraction Osteogenesis For Reconstruction Of Mandibular Defects After Segmental Mandibulectomy, Fatma Alzhraa Yousef, Susan Hassan, Fatma Mohammed, Wael Shawkat
Al-Azhar Journal of Dentistry
Purpose: to restore the continuity and functions of the mandible after segmental mandibulectomy for mandibular defect reconstruction by using a technique of transport distraction osteogenesis with stem cells injection. Subjects and methods: Clinical study was conducted on eight patients suffering from mandibular deficiency after tumor resection. All steps of manufacturing of the transport distractor, tumor resection and segmental mandibulectomy of transport disc were guided by Stereolithographic (STL) model. Stem cells sample was prepared to be injected along the soft callus at the end of the activation period. Patients were followed up postoperative clinically every week and radiographically by Panoramic x-ray …
Digital Photography Versus Spectrophotometry Assessment Of Color Stability Of Resin Composite, Eman Ezz, Doaa El-Sharkawy, Samaa Zaghloul
Digital Photography Versus Spectrophotometry Assessment Of Color Stability Of Resin Composite, Eman Ezz, Doaa El-Sharkawy, Samaa Zaghloul
Al-Azhar Journal of Dentistry
Purpose: To compare digital photography to spectrophotometry in evaluating the color stability of resin composite. Materials and methods: Thirty- two disc-like specimens of Filtek Z350 resin composite were prepared and color-assessed; before and after 30 days of submersion in coffee solution. For each specimen, color was assessed according to Commission Internationale de I’Eclairage (CIE) color space values using: Two different versions of Canon Digital Single Lens Reflex (DSLR) camera; with standard lenses, flash, and settings: Canon 600d (Group I) and Canon 1100d (Group II), and a digital spectrophotometer (Vita Easyshade advance 4.0; Vita Zahnfabrik, Bad Sackingen, Germany) as a control …
Effect Of Polycaprolactone Nanofiber Membrane Versus Concentrated Growth Factor On Periodontal Ligament Model Defect, Ola Dewedar, Heba Adawy, Mai Attia, Mena Abdullah
Effect Of Polycaprolactone Nanofiber Membrane Versus Concentrated Growth Factor On Periodontal Ligament Model Defect, Ola Dewedar, Heba Adawy, Mai Attia, Mena Abdullah
Al-Azhar Journal of Dentistry
Purpose: This study was carried out to evaluate the effect of two different regenerative materials on periodontal Ligament Model Defect through histological examination of rabbit’s mandible. Material and Methods: Thirty-six (36) adult male New Zealand rabbits (weight 3 to 3.5 kg) were used and then divided randomly into 3 groups according to material received (n=12).Group I (GI) control group that did not receive any treatment, Group II (GII) that received polycarolactone nanofiber membrane (PCL), Group III (GIII) that received concentrated growth factor membrane (CGF), surgical procedures were done to create a bony defect of 5x5mm size in the right side …
Prevalence Of Periodontal Pathogens In A Group Of Egyptians With Emphasis On Correlation Between Periodontal Stages And Molecular Bacterial Identification, Amel A. Ramadan, Naglaa S. El Kilani, Olfat G. Shaker, Ahmed M. Ebrahim, Eatemad A. Shoriebah
Prevalence Of Periodontal Pathogens In A Group Of Egyptians With Emphasis On Correlation Between Periodontal Stages And Molecular Bacterial Identification, Amel A. Ramadan, Naglaa S. El Kilani, Olfat G. Shaker, Ahmed M. Ebrahim, Eatemad A. Shoriebah
Al-Azhar Journal of Dentistry
Purpose: This study was performed for identification and prevalence of periodontal microbiota in a group of Egyptians with a special emphasis on the correlation between different periodontal stages and molecular bacterial identification. Subjects and methods: 100 Subjects were divided equally into five groups with reference to new classification of periodontitis. Clinical parameters including probing pocket depth (PPD), clinical attachment level (CAL) gingival index (GI) and plaque index (PI) were measured. Samples of subgingival plaque were taken for microbiological analysis and bacterial DNA extraction. Bacterial identification was done using polymerase chain reaction (PCR) for 5 bacteria (Aggregatibacter actinomycetemcomitans (Aa), Porphyromonas gingivalis …
Evaluation Of Different Fabrication Techniques For Reinforcement Of Mandibular Implant-Retained Overdentures, Heba Salama, Nesrin El-Mahrouky, Dina Kholeif
Evaluation Of Different Fabrication Techniques For Reinforcement Of Mandibular Implant-Retained Overdentures, Heba Salama, Nesrin El-Mahrouky, Dina Kholeif
Al-Azhar Journal of Dentistry
Purpose: This study was performed to evaluate the effect of PEEK reinforced mandibular implant overdenture, in comparison with metal reinforced mandibular implant overdenture on bone height. Subjects and methods: Fourteen completely edentulous patients were selected with ages ranging from 50-70 years. All the patients received two implants in the inter-foraminal area of the mandible and maxillary complete dentures, then they were divided into two groups: group (I) seven patients received PEEK reinforced mandibular implant overdentures, group (II) seven patients received metal reinforced mandibular implant overdentures. The overdentures were functionally loaded after three months of implant insertion and retained with the …
Remineralizing Effect Of Diode Laser And Amelogenin Peptide On Early Enamel Carious Lesion, Yasmin Badr, Maha Niazy, Dina El-Kassass
Remineralizing Effect Of Diode Laser And Amelogenin Peptide On Early Enamel Carious Lesion, Yasmin Badr, Maha Niazy, Dina El-Kassass
Al-Azhar Journal of Dentistry
Purpose: This study was done to investigate the efficacy of Diode laser andAmelogenin peptide on the remineralization of early enamel carious lesions. Materialsand methods: Artificial carious lesions were created on the buccal and lingual surfacesof 60 enamel specimens. Specimens were assigned to three groups of 20 specimensper each according to the remineralizing protocol: G1 (Diode laser), G2 (Diodelaser + Amelogenin peptide), G3 (Amelogenin peptide). The groups were furtherrandomly subdivided into two groups (n=10) whether specimens subjected to staticremineralization or pH cycling. Surface micro-hardness was assessed at baseline,demineralization and after treatment. Surface microhardness values were analyzed usingone way ANOVA and Tukey’s …
Influence Of Direct And Indirect Digital Data Capturing Techniques On Marginal Accuracy And Internal Fit Of Cad/Cam Fabricated Peek And Zirconia Crowns, Samira Abdel Salam, Atef Ahmed, Nasser Ali
Influence Of Direct And Indirect Digital Data Capturing Techniques On Marginal Accuracy And Internal Fit Of Cad/Cam Fabricated Peek And Zirconia Crowns, Samira Abdel Salam, Atef Ahmed, Nasser Ali
Al-Azhar Journal of Dentistry
Purpose: The aim of this study was to evaluate the marginal and internal fitness of PEEK and Zirconia crowns fabricated by three different impression techniques. Materials and methods: Thirty standardized acrylic die models were prepared. Dies were divided into two main groups (n= 15): Group 1: CAD/CAM fabricated zirconia crowns. Group 2: CAD/CAM fabricated PEEK crowns. Each group was subdivided into three subgroups (n= 5), according to the impression technique using for data acquisition: Sub-group (A): direct digital scans of the model used intraoral digital scanner. Sub-group (B): indirect digital scans of the silicon impressions using extraoral scanner. Sub-group (C): …
Effect Of Aging Treatments On Properties Of Zirconia With Different Levels Of Translucency, Mayar Abdel El-Salam, Sahar Abdel-Aziz, Zahraa Gabal
Effect Of Aging Treatments On Properties Of Zirconia With Different Levels Of Translucency, Mayar Abdel El-Salam, Sahar Abdel-Aziz, Zahraa Gabal
Al-Azhar Journal of Dentistry
Purpose: The aim of this study was to evaluate the effect of low-temperature degradation(L-TD), and weathering process on translucency, surface roughness, biaxial-flexural strength, and crystalline phase identification of zirconia with different levels of translucency. Materials and methods: A total of ninety-six (N= 96) zirconia discs were fabricated in this study. Samples were divided into three groups (n=32 each) according to type of zirconia: IPS EmaxZirCAD of low, medium translucency and Incoris translucent Zirconia of high translucency. Translucency measurements, surface roughness, biaxial flexural strength determination and phase identification were carried out before and after aging. Each group was then sub-divided into …
Effect Of Naturally Derived Dentin Bio-Modifiers On Immediate And Long-Term Bond Strength Of Etch And Rinse Adhesive To Dentin, Mona El Lakany, Maha Niazy, Hamed Mohamed
Effect Of Naturally Derived Dentin Bio-Modifiers On Immediate And Long-Term Bond Strength Of Etch And Rinse Adhesive To Dentin, Mona El Lakany, Maha Niazy, Hamed Mohamed
Al-Azhar Journal of Dentistry
Purpose: To investigate the effect of 10% Proanthocyanidin (PA) rich grape seedextract (GSE) and cardanol oil applied for 60s on immediate and long-term shearbond strength (SBS) of etch and rinse to dentin. Materials and methods: The occlusalsurfaces of forty two samples were ground to expose flat superficial dentin surfaces.The samples were divided into 3 groups; Group A1 (control group) without any pretreatment,Group A2 (10 % GSE), Group A3 (cardanol). Pre-treatments were appliedfor 60s and then washed away for 30s. Each group was further randomly subdividedinto two groups (n=7) according to the storage time (immediate 24 hours) and (longtermsix months period). …
Correlation Between Clinical And Radiographic Evaluation Using Custom-Made Newly Developed Software Program As A Guide For Accurate Diagnosis Of Periodontal Diseases, Eman Hassan, Naglaa El-Kilani, Halaa Hazza
Correlation Between Clinical And Radiographic Evaluation Using Custom-Made Newly Developed Software Program As A Guide For Accurate Diagnosis Of Periodontal Diseases, Eman Hassan, Naglaa El-Kilani, Halaa Hazza
Al-Azhar Journal of Dentistry
Purpose: to correlate between clinical and radiographic findings using custom– made newly developed software program that guide clinicians, for accurate diagnosis. This is based on clinical and radiographic data from 3D volumetric rendering of cone beam computed tomography. This has been done based on the new classification of periodontal diseases (of 2018). Materials and methods: A randomized clinical study was performed on hundred and fifty patients with periodontal diseases of both gender with age range (30-60) years old. Periodontal clinical parameters were taken. Radiographic analysis using CBCT and 3D volumetric rendering was done. Results: There is a moderate positive correlation …
Effect Of Repeated Heat-Pressing On Marginal And Internal Fit Of Lithium Disilicate Glass Ceramic Crowns After Thermo-Mechanical Fatigue, Esraa R. Albatrawy, Rania A. Amin, Roqaia Alassar
Effect Of Repeated Heat-Pressing On Marginal And Internal Fit Of Lithium Disilicate Glass Ceramic Crowns After Thermo-Mechanical Fatigue, Esraa R. Albatrawy, Rania A. Amin, Roqaia Alassar
Al-Azhar Journal of Dentistry
Purpose: To evaluate the effect of repeated heat-pressing on marginal and internal fit of lithium disilicate glass ceramic crowns. Materials and Methods: A freshly extracted caries free human maxillary 1st premolar was prepared according to standardized preparation for all-ceramic crown restoration. The preparation was duplicated to produce thirty epoxy resin dies. The resin dies were divided into three groups (n=10) according to the number of heat-pressings of IPS e.max Press (Shade A2, LT) used for crowns construction. Group 1: Crowns constructed from freshly pressed ingots, Group 2: Crowns constructed from leftover repressed buttons for 1st time, and Group 3: Crowns …
Effect Of Different Biomimetic Materials On White Spot Lesions In Enamel (A Split-Mouth Clinical Trial), Eptesam A. Elbegawy, Maha A. Niazy, Asmaa Y. Harhash
Effect Of Different Biomimetic Materials On White Spot Lesions In Enamel (A Split-Mouth Clinical Trial), Eptesam A. Elbegawy, Maha A. Niazy, Asmaa Y. Harhash
Al-Azhar Journal of Dentistry
Purpose: To assess the remineralizing effect and clinical effectiveness of different biomimetic materials (Zinc carbonate hydroxyapatite microparticles (Zn CHA), bioactive glass nanoparticles (BAG) and Poly-amido amine (PAMAM)) on white spot lesions in enamel (WSLs). Materials and Methods: A number of 84 teeth (21 patients) were assigned into 3 groups of 28 teeth (7 patients) in accordance to the time of assessment (immediately B1, after one-month B2 and after two months B3). According to the tested material; every patient had a split mouth (four quadrants). Zn CHA was used in the first group A1, BAG was used in the second group …
Effectiveness Of Two Dental Educational Programs On The Oral Hygiene Status Among A Group Of Visually Impaired Children, Reham Y. Anwer, Magda A. El-Malt, Sara N. Hashem
Effectiveness Of Two Dental Educational Programs On The Oral Hygiene Status Among A Group Of Visually Impaired Children, Reham Y. Anwer, Magda A. El-Malt, Sara N. Hashem
Al-Azhar Journal of Dentistry
Purpose: To assess the effectiveness of Audio and Audio-Tactile Performance (ATP) educational programs on oral hygiene status among a group of visually impaired children by Oral Hygiene Index Simplified(OHI-S) and assess the effectiveness of this programs in improving their oral hygiene knowledge, attitude and practice (KAP) and their satisfaction toward oral health via questionnaire before and after the programs. Subjects and methods: A total of 86 visually impaired children ranging from (6-12) years were divided into two groups. (Group I):45 children who received the Audio method educational program. (Group II):41 children who received the Audio Tactile Performance method. The oral …