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- Keyword
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- Restorative Dentistry Issue (Removable Prosthodontics, Fixed Prosthodontics, Endodontics, Dental Biomaterials, Operative Dentistry) (42)
- Oral Medicine and Surgical Sciences Issue (Oral Medicine, Oral and Maxillofacial Surgery, Oral Pathology, Oral Biology) (22)
- Pediatric dentistry and orthodontics Issue (Pediatric Dentistry, Orthodontics) (16)
- Acceleration; Mucoperiostreal flap; Low level laser therapy (1)
- Actilux; Marine Salts; Whitening Toothpaste; Color; Microhardness (1)
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- Al2O3 particles; Hand grinding; laser etching; zirconium ceramic (1)
- Aloe vera; chlorhexidene; antibacterial mouth wash (1)
- Aloe vera; chlorhexidine; Erosion; Microhardness (1)
- Anchorage loss; micro-implant; canine retraction (1)
- Anhidrosis; Self-mutilation; oro-facial injuries; premature tooth loss (1)
- Antibacterial activity; pomegranate; Ginger; Stevia (1)
- Apple vinegar; irrigating solution; roughness; AH Plus sealer (1)
- BM-MSCs; Submandibular salivary glands; Radiation; immunofluorescence; anti- α- amylase 1 (1)
- Biaxial Flexural Strength; Cubic Zirconia; hydrothermal aging; translucency (1)
- Bioactive composite; Amalgomer; Glass Ionomer (1)
- Bleaching; Staining susceptibility; enamel; composite resin (1)
- Bone Marrow Mesenchymal Stem Cell; Ultrasonography (1)
- Bone; gradient; Scaffold; expanded; STEM (1)
- Bulk Fill; resin thickness; Conversion; Strain gauge (1)
- CDs; PEDs; implant stability; ISP (1)
- Carie-Care™; Disabled children; Conventional drilling; Activa kids (1)
- Carrière Distalizer appliance; Electromyographic activity; Distalization (1)
- Cell proliferation; Ki-67; Squamous cell carcinoma (1)
- Chronic Periodontitis; Propolis Gel; Non Surgical Treatment (1)
- Coconut oil; Chlorhexidine mouthwash; Oral microorganisms (1)
- Composite resin; matrix systems; contact tightness (1)
- Composite; Color; dentifrices; Glass Ionomer; Micro-hardness; roughness (1)
- Cubic Zirconia; Thermal Degradation; Laser Surface Topography; Biaxial Flexural Strength (1)
- Dental implant; Surface treatment; bone density (1)
- Dental implants; Nigella Sativa; Modified gingival index (1)
Articles 31 - 60 of 80
Full-Text Articles in Medicine and Health Sciences
Clinical Assessment Of Platelet Rich Fibrin Matrix In Treatment Of Gingival Recession: A Randomized Controlled Clinical Study, Wessam Shehabeldin, Hamdy Nassar, Mai Attia, Reham Aggour
Clinical Assessment Of Platelet Rich Fibrin Matrix In Treatment Of Gingival Recession: A Randomized Controlled Clinical Study, Wessam Shehabeldin, Hamdy Nassar, Mai Attia, Reham Aggour
Al-Azhar Journal of Dentistry
Purpose: to measure platelet rich fibrin matrix PRFM in enhancing root coverage of Miller class I and II gingival recession clinically by coronally advanced flap. Materials and Methods: Eighteen healthy patients were randomly splitted for three groups: group I (Test group): five patients treated using Platelet Rich Fibrin Matrix (PRFM) membrane and coronally advanced flap, group II (Positive Control group): fivepatients treated by collagen membrane and coronally advanced flapand group III (Negative control group):five patients treated only using coronally advanced flap. Recession width(RW), recession depth(RD), and probing pocket depth (PPD)were evaluated at baseline,three months and six months respectively. Results: In …
Evaluation Of Shear Bond Strength Of Glass Ionomer Modified With Natural Biological Products:An In Vitro Study, Bassma Abdelhafeez, Maha Niazy, Essam Naguib, Sara Younis
Evaluation Of Shear Bond Strength Of Glass Ionomer Modified With Natural Biological Products:An In Vitro Study, Bassma Abdelhafeez, Maha Niazy, Essam Naguib, Sara Younis
Al-Azhar Journal of Dentistry
Purpose: The aim of this study was to examine the shear bond strength (SBS) of conventional glass ionomer incorporated (GI) with flax fibers and/or ethanolic extract of propolis (EEP) with and without thermo-cycling. Materials and Methods: We used 40 extracted sound molars were used in the present study and divided into four equal groups: Group (GI) conventional glass ionomer(control), Group(F)GI incorporated with 5% flax fibers, Group (P) GI incorporated with 1% ethanolic extract of propolis (EEP), Group (FP) GI incorporated with 5% flax fibers and 1% ethanolic extract of propolis (EEP). All samples were prepared for shear bond strength assessment …
Antibacterial Effect Of Bioactive Composite Versus Glass Ionomer Using Different Storage Media, Walaa Hassan, Maha Niazy, Mayada Sultan
Antibacterial Effect Of Bioactive Composite Versus Glass Ionomer Using Different Storage Media, Walaa Hassan, Maha Niazy, Mayada Sultan
Al-Azhar Journal of Dentistry
Purpose: To evaluate the antibacterial effect of Bioactive composite versus Glass ionomer using different storage media. Materials and Methods: Three restorative materials were used in this study (Reliafil Lc, Amalgomer and Conventional Glass Ionomer). 90 Disk- shaped specimens (2.5 mm height and 8 mm diameter) were prepared from each material. Groups were divided into three subgroups according to storage media (Acids, artificial saliva and de-ionized water). Bacterial strains were polished at 370c for 24h in Brain Heart Infusion broth which attained from stock cultures. Disk diffusion agar method was used for antimicrobial liability. The inhibition zone diameter around the specimen …
Effect Of Different Denture Base Materials On The Masticatory Muscle Performance In Patients Wearing Single Maxillary Complete Denture: A Cross-Over Study, Doaa Rostom, Ahmed Fayyad, Aliaa Tawfeek
Effect Of Different Denture Base Materials On The Masticatory Muscle Performance In Patients Wearing Single Maxillary Complete Denture: A Cross-Over Study, Doaa Rostom, Ahmed Fayyad, Aliaa Tawfeek
Al-Azhar Journal of Dentistry
Purpose: The aim of the research was to evaluate the masticatory muscle performance with different resilient denture base materials in maxillary single denture. Material and methods: Six patients were included in this cross over study. In the first stage of the study, the patients were instructed to use the denture (PMMA denture base) for 1 month and the masticatory muscle activity was assessed in the second and fourth weeks after delivery. A wash out period of two weeks was applied in this study to eliminate the effect of the previous denture then the denture material was relined to soft liner, …
Antibacterial Efficacy Of Aloe Vera Extract Mouth Wash Versus Chlorhexidine In Pediatrics: An In Vivo Study, Eman Mohamed, Safaa El- Sayed, Samaa Zaghloul
Antibacterial Efficacy Of Aloe Vera Extract Mouth Wash Versus Chlorhexidine In Pediatrics: An In Vivo Study, Eman Mohamed, Safaa El- Sayed, Samaa Zaghloul
Al-Azhar Journal of Dentistry
Purpose: To assess and compare the antibacterial efficacy of Aloe vera (AV) extract solution and chlorhexidine (CHX) as mouth washes for children. Material and methods: Forty children of age range (5- 12) years were enrolled in this study. The participants were randomly divided into two equal groups; A& B (n= 20). Participants were asked to rinse with 10 ml of either 100% AV extract or 0.125% CHX mouthwashes (in group A & B respectively) for 4 days twice daily (after breakfast and lunch) for one minute and not to rinse with water thereafter. Saliva samples were collected at 0 (base …
Effect Of Blood Contamination On Marginal Adaptation Of Mta And Endosequence Root Repair Material As A Retrograde Filling, Marwa Saker, Mohammed Khalefa, Hemat El-Sheikh
Effect Of Blood Contamination On Marginal Adaptation Of Mta And Endosequence Root Repair Material As A Retrograde Filling, Marwa Saker, Mohammed Khalefa, Hemat El-Sheikh
Al-Azhar Journal of Dentistry
Purpose: This study was designed to compare marginal adaptation of MTA and Endosequence Root Repair Material (ERRM) as retrograde filling materials. Materials and methods: 40 maxillary anterior teeth were prepared and obturated with gutta-percha and AH plus using lateral compaction technique. Apical 3mm of the roots were resected and retrograde cavities were prepared with diamond coated ultrasonic retrotip. Teeth were divided randomly into two main groups (I,II) according to blood contamination of retrograde cavities and every group then divided into two sub-groups (A,B) according to retrograde materials (MTA,ERRM). Teeth sectioned longitudinally and examined for marginal gap using SEM. Results: revealed …
Microleakage Evaluation Of Class V Resin Composite Restorations With Fluoride Iontophoresis Application On Tooth Surface(An In Vitro Study), Mohamed Wakwak
Microleakage Evaluation Of Class V Resin Composite Restorations With Fluoride Iontophoresis Application On Tooth Surface(An In Vitro Study), Mohamed Wakwak
Al-Azhar Journal of Dentistry
Purpose: This study was directed to evaluate the microleakage of class V composite restoration after fluoride Iontophoresis application on tooth surface. Materials and Methods :60 freshly extracted human non carious premolar teeth were used box-shaped Class V cavities (4x2x2 mm) were prepared on the gingival one third of the tooth with occlusal margin in enamel and gingival margin in cementum half of the teeth received fluoride Iontophoresis application (FI), while the other half were not received any treatment (NF). Teeth were restored with Z250 resin composite and Kalore resin composite. The specimens stored for one month, three months and six …
Using Mri And Nasopharyngeal Endoscopy For Assessment Of Soft Palate Following Cleft Palate Surgical Repair Using Two Surgical Techniques, Maiada Awadd, Susan Hassan, Hatem Al Ahmady, Ahmed Mohamed
Using Mri And Nasopharyngeal Endoscopy For Assessment Of Soft Palate Following Cleft Palate Surgical Repair Using Two Surgical Techniques, Maiada Awadd, Susan Hassan, Hatem Al Ahmady, Ahmed Mohamed
Al-Azhar Journal of Dentistry
Purpose: to compare and assess the results obtained by using 2 different surgical techniques that utilize two stage palatoplasty to repair the palate, Furlow’s technique and intravelar veloplasty. Material and Methods: This study was performed on 14 patients suffering from cleft palate, patients were divided into 2 groups, in group I Furlow’s technique was used in palatal repair, in group II IVVP technique was used in palatal repair. All cases were selected from the Outpatient Clinic of the Faculty of Dental Medicine, Al-Azhar University for Girls. Results: Postoperative results of the MRI showed that the velum and the length of …
Role Of Expression Ki-67 In Diagnosis Of Oral Cancer, Amani Mohamed, Osama El-Shall, Naglaa El-Kilani
Role Of Expression Ki-67 In Diagnosis Of Oral Cancer, Amani Mohamed, Osama El-Shall, Naglaa El-Kilani
Al-Azhar Journal of Dentistry
Purpose: The study was designed to assess the effect of Ki-67 on oral squamous cell carcinoma (OSCC) with the correlation of biomarker level and grades of OSCC. Material and methods: 26 samples (life biopsies) were inspected in this study, 20 of them are OSCC and 6 are normal. The specimens were processed by the routine histological procedure to prepare them for histopathological and immuno-histochemical examinations. Antibodies expression with anti-Ki-67 antibody was evaluated using image analysis for area percentage with the Leica Q550 image analyzer computer system. Statistical analysis was performed using ANOVA test. Results: Histopathological examination of oral squamous cell …
Effect Of Different Concentrations Of Double Antibiotics Used In Regenerative Endodontic On Microhardness And Fracture Resistance Of Radicular Dentin, Hadeer Mostafa, Wael Kamel, Maha Elhosiny
Effect Of Different Concentrations Of Double Antibiotics Used In Regenerative Endodontic On Microhardness And Fracture Resistance Of Radicular Dentin, Hadeer Mostafa, Wael Kamel, Maha Elhosiny
Al-Azhar Journal of Dentistry
Purpose: to show the effect of different concentrations of double antibiotics paste (DAP) 1, 0.1,0 .01mg/ml used in regenerative endodontic on microhardness and fracture resistance of radicular dentin. Material and methods: Forty single rooted teeth were prepared and randomized into three groups according to DAP concentration (10 samples each) and ten samples were availed as control group. Group I: root canal contained 1mg /ml DAP. Group II: root canal contained 0.1mg /ml DAP. Group III: root canal contained 0.01 mg/ml DAP. Samples were stored at 37 0c with 100% humidity for three weeks then DAP was removed by irrigation with …
Comparison Of The Cleaning Effectiveness And Incidence Of Dentinal Defects After Biomechanical Preparation Using Different Ni Ti Rotary Instruments In Root Canals, Maiada Mohammed, Wael Kamel, Mohammed Rokaya
Comparison Of The Cleaning Effectiveness And Incidence Of Dentinal Defects After Biomechanical Preparation Using Different Ni Ti Rotary Instruments In Root Canals, Maiada Mohammed, Wael Kamel, Mohammed Rokaya
Al-Azhar Journal of Dentistry
Purpose: This study was directed to evaluate the cleaning effectiveness& the dentinal defects incidence after preparation with different Ni-Ti rotary instruments in permanent molar root canals. Materials and Methods: A 60 human permanent lower first molars were used in this study. According to the Ni-Ti rotary system used in canal instrumentation, specimens were divided into 3 main groups (n=20) (One Shape, HyFlex EDM and XP-Endo Shaper). Each system was used as the suggested settings by manufacture. Each group was received Copious irrigation with 2.6% NaOCl was performed after the use of each file and finally with combination of 17% EDTA …
Evaluation Of Electromyographic Activity Concomitant To Class Ii Correction Using Carrier Distalizer Appliance, Amira Ahmed, Samir Ibrahim, Maha Mohamed
Evaluation Of Electromyographic Activity Concomitant To Class Ii Correction Using Carrier Distalizer Appliance, Amira Ahmed, Samir Ibrahim, Maha Mohamed
Al-Azhar Journal of Dentistry
Purpose: To assess the electromyographic activity of oral muscles concomitant to Class II malocclusion correction using Carrier Distalizer appliance. Materials and Methods: 10 female patients with age ranged between (18-21) years old were selected for this study. All patients were examined to fulfill the inclusion criteria. All patients in this study underwent radiographic evaluation (panoramic and lateral cephalometric) and electromyographic evaluation before and after Class II correction using Carrier Distalizer appliance. Study duration for patients was six months. Results: The result of this study showed that no significant changes occurred in skeletal measurements except increase angle of convexity. Regarding electromyographic …
Fracture Resistance And Retention Of Three Different Endocrown Materials, Nada Eisa, Eman Essam, Rania Amin, Zainab El Sharkawy
Fracture Resistance And Retention Of Three Different Endocrown Materials, Nada Eisa, Eman Essam, Rania Amin, Zainab El Sharkawy
Al-Azhar Journal of Dentistry
Purpose: The purpose of the current study was to assess fracture resistance and retention of three different endocrown materials. Materials and Methods: Thirty (n=30) sound mandibular molars were endodontically treated and according to endocrown constructed material appointed arbitrarily into 3 groups (n=10 each); Group (1): IPS e.max CAD, Group (2): Vita Suprinity and Group (3): Vita Enamic. Samples of each group were additionally subdivided into2 subgroups (n=5 each) according to fracture resistance and retention tests. Subgroup (A): Samples subjected to fracture resistance test and mode of failure. Subgroup (B): Samples subjected to retention test and mode of failure. The samples …
Effect Of Surface Treatment And Veneering Method On The Shear Bond Strength Between Zirconia And Veneering Ceramics, Fatheya Abd El-Rahman, Atef Ahmed, Zeinab El Sharkawy
Effect Of Surface Treatment And Veneering Method On The Shear Bond Strength Between Zirconia And Veneering Ceramics, Fatheya Abd El-Rahman, Atef Ahmed, Zeinab El Sharkawy
Al-Azhar Journal of Dentistry
Purpose: The current study was aimed to assess the effect of various surface treatments: liner, silica coating and laser treatment, and veneering technique on the zirconia veneering ceramic sheer bond strength. Materials and Methods: Sixty four zirconia discs were prepared from Y-TZP ceramic blocks. According to surface treatment, the discs were divided into four groups (n=16); Group I: Control (without any treatment), Group II: liner application, Group III: silica coating, Group IV: laser irradiation. Then they sub grouped into subgroup A (n=8): layering technique and subgroup B (n=8): press–on technique according to the used veneering technique. Two additional specimens from …
Reliability Of Different Mandibular Radio Morphometric Indices In Prediction Of Osteoporosis And Osteopenia, Fatma Youssif, Osama Elshall
Reliability Of Different Mandibular Radio Morphometric Indices In Prediction Of Osteoporosis And Osteopenia, Fatma Youssif, Osama Elshall
Al-Azhar Journal of Dentistry
Purpose: This study aimed to evaluate the value of quantitative and qualitative mandibular radio morphometric indices, as recorded from panoramic imaging, in prediction and diagnosis of osteoporosis and osteopenia. Materials and methods: Forty postmenopausal women their age between 45 and 65 years previously diagnosed as having osteoporosis as confirmed by DEXA scans were selected. DEXA and Orthopantomogram (OPG) were applied on all the patients. Panoramic mandibular index (PMI), Mental index (MI), gonial index (GI), and mandibular cortical index (MCI) were dignified and matched with the scores obtained from DEXA scan. Results: There was significant correlation between DEXA results with panoramic …
The Effect Of Using Full Thickness Mucoperiosteal Flap Versus Low Level Laser Application On Orthodontic Tooth Movement Acceleration, Mohsena Abdarazik, Samir Ibrahim, James Hartsfield, Hatem Alahmady
The Effect Of Using Full Thickness Mucoperiosteal Flap Versus Low Level Laser Application On Orthodontic Tooth Movement Acceleration, Mohsena Abdarazik, Samir Ibrahim, James Hartsfield, Hatem Alahmady
Al-Azhar Journal of Dentistry
Purpose: This study aimed to evaluate the effect of using full thickness mucoperiosteal flap (FTMPF) elevation only versus low level laser therapy (LLLT) on acceleration of orthodontic tooth movement. Material and Methods: This study was a split mouth design study included 32 side according to sample size calculation. Those sides were divided into 2 groups. Group 1divided into (group 1a: 8 sides with FTMPF, group 1b:8 sides control). Group 2 (group 2 a: 8 sides with LLLT, group 2b: 8 sides control). Extraction of the first maxillary premolars followed by canine retraction in the extraction space with maximum anchorage were …
Effect Of Material Type And Thickness On Fatigue Resistance Of Posterior Bonded Occlusal Veneers, Radwa Abbas, Mona Mandour, Suad Hasan
Effect Of Material Type And Thickness On Fatigue Resistance Of Posterior Bonded Occlusal Veneers, Radwa Abbas, Mona Mandour, Suad Hasan
Al-Azhar Journal of Dentistry
Purpose: The purpose of the current study was to evaluate the fatigue resistance of zirconia reinforced lithium silicate (VS) and hybrid ceramic (VE) occlusal veneers, with two different thicknesses. Materials and Methods: twenty extracted human maxillary first molars were prepared to replicate worn occlusal table. Samples were distributed into two groups according to the received occlusal veneers material; Vita Suprinity and Vita Enamic, each group was further subdivided into two subgroups according to the thickness of the occlusal veneers (0.6mm or 1.2mm). The samples were cemented by self-adhesive resin cement. Samples were subjected to step fatigue resistance test, Assessment of …
Evaluation Of Bio-Stimulatory Effect Of Low Intensity Laser On Platelet Rich Fibrin System And Bone Graft In Treatment Of Infra-Bony Defect, Soad Ebada, Hamdy Nassar, Naglaa Elkilani
Evaluation Of Bio-Stimulatory Effect Of Low Intensity Laser On Platelet Rich Fibrin System And Bone Graft In Treatment Of Infra-Bony Defect, Soad Ebada, Hamdy Nassar, Naglaa Elkilani
Al-Azhar Journal of Dentistry
Purpose: The current clinical study was done to examine clinical and biochemical changes of Vascular Endothelial Growth factor (VEGF) biomarker present in (GCF) in response to LLLT combined with Platelet Rich Fibrin (PRF) & bovine xenograft to treat infra-bony defects. Material and methods: The current study was conducted on twenty (20) sites from ten (10) patients. A spilt-mouth design used, sites were randomly selected from each patient, into two groups: laser group; ten (10) sites received PRF system without irradiation, and control group; ten (10) sites received PRF system and it will be irradiated with low level laser. Clinical parameters …
Effects Of Laser Application On Leveling Efficiency Using Different Orthodontic Archwires, Alaa El-Hendawey, Samir Ibrahim, Ahmed Salama, Ossama El-Shall
Effects Of Laser Application On Leveling Efficiency Using Different Orthodontic Archwires, Alaa El-Hendawey, Samir Ibrahim, Ahmed Salama, Ossama El-Shall
Al-Azhar Journal of Dentistry
Purpose: to evaluate the effect of low level laser on leveling and alignment by using two types of orthodontic archwires. Materials and methods: A consecutive sample of 32 patients requiring fixed orthodontic appliances were grouped into four groups: laser group with 0.014 inch copper NiTi wire, laser group with 0.014 inch superelastic NiTi wire, 0.014 inch copper NiTi wire group without laser, 0.014 inch superelastic NiTi wire group without laser. Directly after the first arch wire insertion the investment group received a LLLT dose (laser application group of patients). The LLLT device was adjusted to 635 nm wavelength and with …
Evaluation Of The Antimicrobial Effect Of Thyme Extract On Streptococcus Mutans, Rabab Abdel Hameed, Mohammed Mostafa, Magda El-Malt
Evaluation Of The Antimicrobial Effect Of Thyme Extract On Streptococcus Mutans, Rabab Abdel Hameed, Mohammed Mostafa, Magda El-Malt
Al-Azhar Journal of Dentistry
Purpose: This study was conducted to evaluate the effect of Thyme extract mouth rinse against Chlorhexidine mouthwash on salivary Streptococcus mutans count in a group of Egyptian children. Materials and Methods: A total of 70 Egyptian children were included in this study. Children ages ranged from 5 to 10 years old in a good physical condition. Children were randomly distributed into two groups A & B each of 35 children. In children of group A (using Thyme extract) each participant was instructed to rinse with 10ml of thyme extract for one minute. In group B (control group using Chlorhexidine mouthwash …
Clinical Evaluation Of Hyaluronan Gel Alone Or In Combination With Platelet- Rich Fibrin (Prf) In Periodontal Regenerative Surgery, Marwa Mohamed, Mai Attia, Eatemad Shoreibah
Clinical Evaluation Of Hyaluronan Gel Alone Or In Combination With Platelet- Rich Fibrin (Prf) In Periodontal Regenerative Surgery, Marwa Mohamed, Mai Attia, Eatemad Shoreibah
Al-Azhar Journal of Dentistry
Purpose: This study was conducted to determine clinical effect of local application of hyaluronan gel alone or with platelet rich fibrin (PRF) in intrabony defects. Material and Methods sixteen patients with chronic periodontitis with twenty intrabony defects (probing depth ≥ 5 m m) were included in this study. Following scaling and root planing and re-evaluation, defects were divided to mucoperiosteal flap with 0.8 percent of hyaluronan gel (test) or platelet rich fibrin (test) or combination of both (test) or mucoperiosteal flap only (control). Clinical attachment level (CAL), probing pocket depth -for short- ( PPD ), gingival index (GI) and plaque …
Effect Of Different Surface Treatments On The Light Transmission And Adhesion Of Two Types Of Glass Fiber Posts, Samira Abdel Salam, Sahar Abdel Aziz, Walaa El Mekkawi
Effect Of Different Surface Treatments On The Light Transmission And Adhesion Of Two Types Of Glass Fiber Posts, Samira Abdel Salam, Sahar Abdel Aziz, Walaa El Mekkawi
Al-Azhar Journal of Dentistry
Purpose: The purpose of the current study was to compare the effect of different surface treatments on the light transmission and adhesion of two types of posts. Materials and Methods: Two groups of glass Fiber post specimens (Glassix) Conventional glass fiber post and (Glassix plus) Translucent glass fiber posts were prepared 10 mm length and 1.5 mm diameter (n = 40). The groups were classified into four sub groups (n=5): Group 1: Did Not receive any treatment; Group 2: treated with hydrofluoric acid (HF) 9.6%. Group 3: treated with 110 μm Al2O3; Group 4: exposed to (Er-Cr:ySGG) laser. The light …
Fracture Resistance And Retention Of Cad/Cam Endo-Crowns Using Different Preparation Designs, Shahenda Elsaid, Atef Ahmed, Suad Hassan
Fracture Resistance And Retention Of Cad/Cam Endo-Crowns Using Different Preparation Designs, Shahenda Elsaid, Atef Ahmed, Suad Hassan
Al-Azhar Journal of Dentistry
Purpose: to study the influence of different preparation designs on fracture resistance and retention of CAD/CAM endocrowns. Materials and methods: Forty human mandibular molars were selected to conduct the present study. All teeth were randomly divided into 2 groups (n=20 each) according to the preparation design of endocrown, Group (1): Endodontically treated teeth without ferrule (butt joint). Group (2): Endodontically treated teeth with 1mm ferrule. All prepared teeth were restored using IPS e-max CAD endocrowns. After cementation of endocrowns all specimens were subjected to thermal cycling in automated thermocycling machine in order to mimic the intra-oral condition. Then retention was …
Phase Transformation, Surface Topography And Mechanical Properties Of Hydrothermal Aged Laser Treated Cubic Versus Tetragonal Zirconia Ceramics, Shahenda Abdallah, Inas Motawea, Mostafa Abdel Ghany, Rania Amin
Phase Transformation, Surface Topography And Mechanical Properties Of Hydrothermal Aged Laser Treated Cubic Versus Tetragonal Zirconia Ceramics, Shahenda Abdallah, Inas Motawea, Mostafa Abdel Ghany, Rania Amin
Al-Azhar Journal of Dentistry
Purpose: This study was carried out to compare the effect of laser surface treatment on cubic and tetragonal zirconia ceramics regarding; phase transformation tetragonal-monoclinic (T-M), surface topography, mechanical properties and biaxial flexural strength before and after low thermal degradation (LTD) aging. Materials and Methods: sixty discs (N=60) of CAD/CAM zirconia were used in this study. These specimens were divided into two main groups according to type of zirconia. Group I: (n=30) Cubic Zirconia (DD cubeX2), while Group II: (n=30) Tetragonal zirconia (Superfect-Zir). Then each group further subdivided into two subgroups according to surface treatment, subgroup (1): control without surface treatment, …
Marginal Accuracy And Microleakage Of Machinable Laminate Veneers, Heba Ahmed, Eman Essam, Osama Saleh, Walaa El Mekkawi
Marginal Accuracy And Microleakage Of Machinable Laminate Veneers, Heba Ahmed, Eman Essam, Osama Saleh, Walaa El Mekkawi
Al-Azhar Journal of Dentistry
Purpose: The current study aimed to evaluate the marginal accuracy and microleakage of machinable laminate veneers. Materials and Methods: Twenty-four human maxillary central incisor teeth were collected and prepared (butt-joint preparation) to receive laminate veneers. They were divided into three groups (n=8) according to material of construction: Group I: IPS-Emax CAD, Group II: Vita Suprinity, Group III: Celtra-Duo. The veneers were milled from the blocks in a CEREC 3 Machine. All veneers were cemented with resin cement. All samples had been subjected to 1500 thermal cycles which are equivalent to one year and half of clinical use. Marginal gap (pre …
Effect Of Xp-Endo Finisher On Post-Instrumentation Pain After Using Different Niti Rotary Systems, Mai Hanafy, Wael Kamel, Mohsen Nour El Din
Effect Of Xp-Endo Finisher On Post-Instrumentation Pain After Using Different Niti Rotary Systems, Mai Hanafy, Wael Kamel, Mohsen Nour El Din
Al-Azhar Journal of Dentistry
Purpose: This study was conducted to assess and compare the effect of XP-endo Finisher on post-instrumentation pain after using either One Shape single-file rotary system or ProTaper Universal multi-file rotary system in root canal preparation. Materials and Methods: Forty-eight consented patients, with 52 single-rooted teeth requiring endodontic treatment were selected for this study based on inclusion/exclusion criteria. Teeth were randomly assigned into two equal groups according to the NiTi rotary system used for root canal preparation, Group (I), One Shape rotary system was used and Group (II), ProTaper Universal rotary system was used. Each group was further subdivided into two …
Evaluation Of Topical Application Of Nigella Sativa (Black Seeds) On Delayed Dental Implant, Zahraa Ahmed, Mai Attia, Aya Mahmoud, Eatemad Shoreibah
Evaluation Of Topical Application Of Nigella Sativa (Black Seeds) On Delayed Dental Implant, Zahraa Ahmed, Mai Attia, Aya Mahmoud, Eatemad Shoreibah
Al-Azhar Journal of Dentistry
Purpose: The present study was conducted to evaluate the effect of topically applied Nigella Sativa (Black Seeds) on osseointegration of delayed dental implant in an effort to improve outcomes of dental implants. Subjects and Methods: The current study was performed on twelve (12) healthy patients that were divided randomly into two groups: Group 1 (Test group) included six (6) patients with delayed implant insertion with the topical use of nigella sativa; Group 2 (Control group) included six (6) patients with delayed implant insertion without the use of nigella sativa.Results: A non-statistically significant difference was recorded in clinical parameters after three …
Remineralizing Effect Of Nanofilled Glass Ionomer Combined With Titanium Dioxide Nanoparticle And Nanohydroxyapatite In Root Caries-Like Lesions, Meneg Muhriz, Maha Niazy, Doaa Elsharkawy
Remineralizing Effect Of Nanofilled Glass Ionomer Combined With Titanium Dioxide Nanoparticle And Nanohydroxyapatite In Root Caries-Like Lesions, Meneg Muhriz, Maha Niazy, Doaa Elsharkawy
Al-Azhar Journal of Dentistry
Purpose: This study designed to evaluate the remineralizing effect of nanofilled glass ionomer combined with titanium dioxide nanoparticle and nano hydroxyapatite in root caries like-lesions. Materials and Methods: sixty specimens from sound human premolars, standardized rounded class V cavities were prepared in the middle of cervical one third of the labial surface of root. Then the specimens were divided into three main groups according to the experimental restored material (20 specimens each). Group (A): received nanofilled glass ionomer (NGI), group (B): received 10% nano hydroxyapatite (NHA) incorporated into conventional glass ionomer (GI), and group (C): received 10% titanium dioxide nanoparticles …
Effect Of Adjunctive Use Of Propolis Gel With Non Surgical Treatment In Management Of Chronic Periodontitis, Alaa Shohdy, Abeer Gawish, Mai Attia, Dina Osman
Effect Of Adjunctive Use Of Propolis Gel With Non Surgical Treatment In Management Of Chronic Periodontitis, Alaa Shohdy, Abeer Gawish, Mai Attia, Dina Osman
Al-Azhar Journal of Dentistry
Purpose: The goal of this study was to evaluate the clinical effect of propolis gel associated with non surgical therapy in the management of chronic periodontitis. Subjects and Methods: Thirty chronic periodontitis patients were selected in this study with probing depth not less than 5 mm in each site. Patients randomly divided into three groups ten subjects on each. Patients in Group1 were treated with scaling and root planning and local delivery of propolis gel with chitosan polymer. Patients in group 2 were treated with non surgical therapy and propolis gel with polyox polymer. Patients in group 3 were treated …
Clinical Evaluation Of Carie-Care As Chemo-Mechanical Caries Removal Agent In Disabled Egyptian Children, Yomna Morad, Mohamed El Maaty, Mohammed Mostafa
Clinical Evaluation Of Carie-Care As Chemo-Mechanical Caries Removal Agent In Disabled Egyptian Children, Yomna Morad, Mohamed El Maaty, Mohammed Mostafa
Al-Azhar Journal of Dentistry
Purpose: compare the chemo-mechanical method of caries removal (CMCR) using Carie-Care™ and conventional technique (Drilling) in normal and disabled Egyptian children. Materials and Method: A total of 40 children were divided into two equal groups .Group A: 20 healthy and normal children. Group B: 20 children with different types of disabilities, either intellectual disability, hearing impairment or visual impairment. Their age ranged from 5-8 years .Two primary carious teeth were chosen in each child according to inclusion criteria (total 80 teeth). The eighty primary teeth from forty children were further subdivided equally into two subgroups (40 teeth in each subgroup) …