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- Missed (3)
- Apple vinegar; Smear layer removal; Calcium ion content (1)
- Behavior management; Tell; show and do; Psychological impact (1)
- Beta defensins-2; Chronic (1)
- Bioactive glass; hydroxycarbonate apatite; ions substitution (1)
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- Bulkfill Resin Composite; Nannofilled Resin Composite; microtensile bond strength (1)
- Class II malocclusion; non-extraction; fixed functional; PowerScope; appliance (1)
- Cleft lip; cleft palate; malocclusion; Dental Aesthetic Index (1)
- Collagen cross linkers; topical; fluoride gel; root caries; pH-cycling (1)
- Collagen cross-linkers; Propolis; Hesperidin; Shear bond strength (1)
- Computed tomography; canal; transportation; Centering ability; Twisted file; OneShape; nickeltitanium; Instruments (1)
- Corticotomy; skeletal open bite; intrusion; miniplates (1)
- Dental implants; surgical templates; surgical procedure; stent (1)
- Enamel Hypoplasia; enamel; Hypocalcification; modified DDE; Index (1)
- Endocrown _ CAD/CAM _ FRCs _ Fracture strength_Endodontically treated teeth (1)
- Fiber post-Cone beam computed; tomography-Push out bond; strength-Resin cement (1)
- Gingivitis; Toothpaste; Resistin; Hyaluronic acid (1)
- Grape seed extract; calcium phosphate; Nanoparticles; remineralization (1)
- HEMA-free; HEMA-containing bonding; agents and dentin; Surface treatments (1)
- Head and Neck Squamous Cell; carcinoma; Vitamin D; apoptosis (1)
- Hydroxyapatite_Adhesive_ rheological properties (1)
- Immunosuppression; dexamethasone; Chronic Periodontitis; lepidiumsativum; Extract; SRP (1)
- Implant supported crowns; retention; marginal accuracy (1)
- Implants; osseointegration; Hydroxyapatite; surgically; created defects (1)
- LILT; canine retraction; accelerated tooth movement (1)
- Lactate dehydrogenase; GCF; ELISA (1)
- Laminate veneer; translucent zirconia; Lava ultimate resin nano; Ceramics (1)
- Lava Ultimate; Airborne-Particle; Abrasion; translucency; Biaxial; flexure strength (1)
- Orthodontics; SMILE; Effect; Extraction (1)
- PAD; Laser; Chlorohexidine; Photo-activated disinfection (1)
Articles 31 - 49 of 49
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Effect Of Surface Conditioning With Airborne-Particle Abrasion On Certain Properties Of Nano-Ceramic Material, Zahraa Gabal, Mostafa El-Ghany, Osama Y Abd El-Ghany, Mona Mandour
Effect Of Surface Conditioning With Airborne-Particle Abrasion On Certain Properties Of Nano-Ceramic Material, Zahraa Gabal, Mostafa El-Ghany, Osama Y Abd El-Ghany, Mona Mandour
Al-Azhar Journal of Dentistry
Purpose: This study was conducted to evaluate the influence of air born-particle abrasion using three sizes of AL2O3; (50 μm, 110 μm, 150μm) on translucency and flexure strength of resin nano-ceramic (Lava Ultimate) material. Materials andMethods Forty samples were divided into 4 groups (n=10) according to the type of surface treatment conducted: Group (1): Lava Ultimate samples with no surface treatment (control group), Group (2): Lava Ultimate samples air- abraded withAL2O3 particle size 50μm, Group (3): Lava Ultimate samples air- abraded with AL2O3 particle size 110μm and Group (4): Lava Ultimate samples air-abraded with AL2O3 particle size 150μm, Translucency was …
Evaluation Of The Effect Of Platelet Rich Fibrin On Alveolar Socket Healing In Glucocorticoids-Induced Osteoporosis In Rabbits (Histological And Immuno-Histomorphometric Study), Heba Zaki, Mona Farid, Marwa El Shiekh
Evaluation Of The Effect Of Platelet Rich Fibrin On Alveolar Socket Healing In Glucocorticoids-Induced Osteoporosis In Rabbits (Histological And Immuno-Histomorphometric Study), Heba Zaki, Mona Farid, Marwa El Shiekh
Al-Azhar Journal of Dentistry
Purpose: The purpose of this study was to evaluate the effect of platelet rich fibrin on the healing of osteoporotic alveolar socket after tooth extraction in experimentally induced osteoporosis in rabbits. Materials and Methods: Thirty six adult female rabbits were used in this study. Rabbits were divided into 3 groups (group1, group2 &group 3: 12 for each group) then each group was divided into 3 subgroups (4 for each subgroups) according to the date of scarification at 7, 20, 30 days postoperatively. Group 1: (12 rabbits), alveolar socket was left empty after first molar extraction (didn’t receivePlatelet Rich Fibrin (PRF)). …
Relationship Of Facial Measurement For Determining The Vertical Dimension In Young Adult Saudi Students, Nehad Harby
Relationship Of Facial Measurement For Determining The Vertical Dimension In Young Adult Saudi Students, Nehad Harby
Al-Azhar Journal of Dentistry
There is no specific scientific method for determining the correct edentulous occlusal vertical dimension. In this study, the establishment of the proportion between the ear-eye to chin-nose distance to determine occlusal vertical dimension.200 dentulous Saudi students participated in this study. The chin-nose and eareye (right & left) distances were measured; the results showed that there is a correlation between these measurements; also this study showed that this facialmeasurement may be used to predict chin-nose distance and determining occlusal vertical dimension in edentulous patients of the Saudi population in combination with some other methods, which have proved to be helpful
Investigation The Effect Of Relation Between Cement Type And Surface Treatments Of Different Ceramic Types On Their Shear Bond Strength With Tooth Structure, Raafat Tamam, Usama Fawzy
Investigation The Effect Of Relation Between Cement Type And Surface Treatments Of Different Ceramic Types On Their Shear Bond Strength With Tooth Structure, Raafat Tamam, Usama Fawzy
Al-Azhar Journal of Dentistry
Statement of problem: The clinical success of the ceramic restoration system that is strongly bonded to the tooth structure in order to prevent microleakage, marginal fracture, discoloration, and secondary caries. Which do types of cements and surface treatment considerably influence. Purpose: This study investigated the shear bond strength between three all ceramic systems (CAD-CAM CEREC type, The VM7( VITADURVEST) powder, and IPS Empress II) treated by air abrasion and hydrofluoric acid, then cemented to tooth structure by two types of adhesive resin cements.Material and methods: Ninety freshly extracted human lower third molar teeth were used. Each tooth was free of …
Remineralization Of Early Carious Lesions Using Biomimetic Selfassembling Peptides Versus Fluoride Agent. (In Vitro And In Vivo Study), Noha Metwally, Maha Niazy, Magda El-Malt
Remineralization Of Early Carious Lesions Using Biomimetic Selfassembling Peptides Versus Fluoride Agent. (In Vitro And In Vivo Study), Noha Metwally, Maha Niazy, Magda El-Malt
Al-Azhar Journal of Dentistry
Objective: The purpose of this study is to evaluate the remineralization potential of the self-assembling peptideP11-4 (Curodont repair) versus highly concentrated fluoride agent (Enamelast) after single & double applications (Atomic Force Microscopy study) and to evaluate the clinical efficacy of both agents in patients with early carious lesions. Materials and methods: Twenty children ranging from 10-16 years of age were selected with at least 2 white lesions (WSL) detected clinically on the buccal surface of permanent anterior teeth, one on each side. Patients were randomly assignedinto 2 groups according to the re-mineralizing agent applied. A1: 20 WSL re-mineralized with Curodont. …
Assessment Of Improvement Of Gingivitis During Orthodontic Treatment Using Two Types Of Toothpaste, Salma Himeer, Samir Ibrahim, Fatma Abd El-Samad, Hala Hazzaa
Assessment Of Improvement Of Gingivitis During Orthodontic Treatment Using Two Types Of Toothpaste, Salma Himeer, Samir Ibrahim, Fatma Abd El-Samad, Hala Hazzaa
Al-Azhar Journal of Dentistry
Objective: to evaluate and compare the efficacy of two different toothpaste (parodontax and Dr. John’s formula gel) on the degree of gingivitis during fixed orthodontic treatment.Material and Methods: A sample of 30 patients with an age range of 13-22 years, requiring fixed orthodontic treatment were evaluated for the efficacy of two types of toothpaste after inatiation of gingivitis, i.e, Dr.Jhon’s formula (groupI), Parodontax (groupII), and Signal (groupIII). At baseline, onset of gingivitis and (1-3-6 weeks) from using the toothpaste, clinical parameters and resistin samples from gingival crevicularfluid(GCF) were assessed from the patients in all groups. Gingival crevicular fluide samples of …
Effect Of Two Different Collagen Cross Linking Agents Versus Topical Fluoride On Management Of Root Caries (In Vitro Study), Sherihan Ismai, Maha Niazy, Doaa El-Sharkawy
Effect Of Two Different Collagen Cross Linking Agents Versus Topical Fluoride On Management Of Root Caries (In Vitro Study), Sherihan Ismai, Maha Niazy, Doaa El-Sharkawy
Al-Azhar Journal of Dentistry
Objectives: This study was designed to evaluate the effect of two different collagen cross linkers (GSE & SA) versus topical fluoride, and the effect of exposure time of these agents on management of root caries. Material and Method: 48 human premolar roots were used; the mesial or distal surface of each sample was ground flat to expose dentin surface, polished and then mounted on wax blocks. They were divided into 3 main groups (n=16); A1: received 6.5% GSE-treatment; A2: received 10% SA-treatment and A3: received topical 1.1%NaF gel. Each group was divided into 2 subgroups (n=8) according to treatment exposure …
Changes In Smile Proportions Concomitant To Extraction And Non- Extraction Orthodontia (A Comparative Study), Marwa Hassan, Samir Ibrahim, Ahmad Salama
Changes In Smile Proportions Concomitant To Extraction And Non- Extraction Orthodontia (A Comparative Study), Marwa Hassan, Samir Ibrahim, Ahmad Salama
Al-Azhar Journal of Dentistry
Objective: An attractive, well-balanced smile is a paramount treatment objective of modern orthodontic therapy. The purpose of this study was to compare changes in smile proportions among extraction and non-extraction therapy cases and to correlate them with the accompanying hard and soft tissue changes. Material and Methods: A sample of 24 patients with an age range of 14.3-24.9 years, requiring fixed orthodontic treatment was divided into group I (extraction therapy cases) and group II (nonextraction therapy cases). Dentofacial characteristics of the 2 groups were obtained from close up smile photographs and lateral cephalometric analyses before and after treatment. independent student …
Effect Of Topically- Applied Hyaluronan On The Expression Of Prolyl 4- Hydroxylase In Gingivitis Of Diabetic Rats, Rawand Abu Nahla, Marwa El Sheikh, Abeer Gawish
Effect Of Topically- Applied Hyaluronan On The Expression Of Prolyl 4- Hydroxylase In Gingivitis Of Diabetic Rats, Rawand Abu Nahla, Marwa El Sheikh, Abeer Gawish
Al-Azhar Journal of Dentistry
Objective: To evaluate the effect of topically applied hyaluronic acid gel (hyaluranon) on gingivitis in diabetic rats. The evaluation based on clinical, histological, and immunohistochemical analysis. Materials and Methods: The present study included seventy rats were included in this study, sixty rats were divided into two main groups according to treatment modality, group I involved thirty rats treated with topical HA, while group II involved thirty rats left untreated. Furthermore groups I and II subdivided into subgroups Ia, IIa were sacrificed on the seventh day, and subgroups Ib, IIb were sacrificed was sacrificed on the day fourteen, negative control compromised …
In-Vivo Bond Degradation Resistance And In-Vitro Degree Of Conversion Of Bulk Fill Versus Nano Filled Resin Composite Restoratives, Hend Ahmed, Maha Niazy, Mona Riad, Asmaa Yaseen
In-Vivo Bond Degradation Resistance And In-Vitro Degree Of Conversion Of Bulk Fill Versus Nano Filled Resin Composite Restoratives, Hend Ahmed, Maha Niazy, Mona Riad, Asmaa Yaseen
Al-Azhar Journal of Dentistry
Aim: This study was conducted to evaluate bulk fill and nanohybrid resin compositeat different cavity depth and after different testing periods. Materials & methods: Standardized simple box class II occluso-mesial (OM) cavitieswere prepared in the selected first maxillary premolar in each quadrant. The cavity depth was adjusted to be either 2mm or 4mm in each patient. For the bulkfill composite, both the two and four-millimeters cavities, one increment of the resin composite material (Xtra-fil) was packed inside the cavity while for the nanohybrid resin composite (Grandio), the four millimeters cavities were filled incrementally by packing two increments of 2mm thickness …
Guided Bone Regeneration Around Titanium Implants With Various Hydroxyapatite Particles In Surgically Created Defect. An Experimental Study, Hend Mohamed, Eatemad Shoreibah, Mohamed Abd El Hamid, Mai Mansour
Guided Bone Regeneration Around Titanium Implants With Various Hydroxyapatite Particles In Surgically Created Defect. An Experimental Study, Hend Mohamed, Eatemad Shoreibah, Mohamed Abd El Hamid, Mai Mansour
Al-Azhar Journal of Dentistry
Objective: This study was designed to evaluate the effect of various types of Hydroxyapatite, Nano- hydroxyapatite, Micro-hydroxyapatite and mixed hydroxyapatite particles as a bone substitute in the treatment of experimental induced surgical defects around dental implants. Materials and methods: Eight healthy adult male experimental dogs were subjected to surgical removal of the third mandibular premolar (P3) bilaterally then received immediate implants in the fresh sockets where surgical defects were created distal to each implants and filled randomly with Nano-Hydroxyapatite, Micro- Hydroxyapatite and Mixed Hydroxyapatite particles. The defects were randomly divided into four groups according to the received type of Hydroxyapatite …
Effect Of Smoking On The Expression Of Human Beta-Defensin-2 In Gingival Crevicular Fluid After Non Surgical Periodontal Therapy, Riam Binbarek, Ossama El-Shall, Mai Mansour
Effect Of Smoking On The Expression Of Human Beta-Defensin-2 In Gingival Crevicular Fluid After Non Surgical Periodontal Therapy, Riam Binbarek, Ossama El-Shall, Mai Mansour
Al-Azhar Journal of Dentistry
Aim: This study was designed to evaluate the effect of smoking on the expression of hβD-2 in the GCF after non-surgical periodontal therapy. Subjects & Methods: Ten non-smokers patients with chronic periodontitis and ten smoker patients with chronic periodontitis with age ranged between 25-40 years were selected for this study. All patients were examined with clinical periodontal parameters. Patients in both groups underwent nonsurgical periodontal therapy combined with a maintenance program (including brushing with regular toothpaste). GCF samples were collected all patients at baseline, one month as well as 3 months after periodontal therapy. Quantification of β-defensin-2 in human samples …
Dentin Bond Strength Evaluation Of Three Root Canal Sealers With Cold Gutta-Percha Lateral Obturation Technique: Push-Out Test Study, Mohammed Rokaya, Fahd Hadhoud, Moatazbellah Alkhawas
Dentin Bond Strength Evaluation Of Three Root Canal Sealers With Cold Gutta-Percha Lateral Obturation Technique: Push-Out Test Study, Mohammed Rokaya, Fahd Hadhoud, Moatazbellah Alkhawas
Al-Azhar Journal of Dentistry
Aim: This study was designed to evaluate dentin bond strength by push-out test of three root canal sealers (IRoot SP, AH Plus, and MTA Fillapex endodontic sealers) with cold gutta-percha lateral obturation technique using push-out test. Methods: A total of 57 human freshly extracted mandibular premolar teeth for orthodontic reason were used in this study. All samples were decoronated 16±1mm from the apex and prepared using step-back technique up to master apical file # 40. The specimens were divided randomly into three groups (19 teeth each) according to the type of sealers used; Group 1(IRoot SP), Group 2(AH Plus sealer), …
Effect Of Different Types Of Luting Cements On Retention And Marginal Adaptation Of Implant-Supported Crowns (An In Vitro Study), Heba Ahmed, Atef Fathy, Eman Essam
Effect Of Different Types Of Luting Cements On Retention And Marginal Adaptation Of Implant-Supported Crowns (An In Vitro Study), Heba Ahmed, Atef Fathy, Eman Essam
Al-Azhar Journal of Dentistry
Aim: The purpose of this study was to evaluate the retention values and marginal adaptation of implant- supported metal copings using different luting agents. Material and Method: Forty implant fixtures and solid abutments of 7mm heightwere embedded vertically in epoxy resin blocks. Metal copings with a loop on the occlusal surface were fabricated using base metal alloy. The copings were luted using four different cements (Multilink N, Fuji Plus, Fuji1 and Adhesor) under static load of 5kg (n=10). All specimens were subjected to 1000 thermal cycles between 5˚c and 55˚c with a dwell time of 10 seconds in a thermocycling …
Fracture Strength And Retention Of All-Ceramic Endocrowns Luted Using Two Different Resin Cements, Enass Khemakhem, Mona Mandour, Rania Amin
Fracture Strength And Retention Of All-Ceramic Endocrowns Luted Using Two Different Resin Cements, Enass Khemakhem, Mona Mandour, Rania Amin
Al-Azhar Journal of Dentistry
Purpose: The purpose of this in vitro study was to evaluate and compare the fracture resistance and retention of CAD/CAM endocrowns and conventional glass fiber post supported crowns. Materials and Methods: Sixty-four (N=64) sound mandibular molars were endodontically treated and randomly assigned into 2 groups (n=32 each) according to the type of restoration constructed; Group (E): Endodontically treated teeth restored with IPS e.max CAD, lithium disilicate based, endocrowns and Group (P): Endodontically treated teeth restored with glass-fiber posts, composite cores and IPS e. max CAD crowns. Samples of each group were further subdivided into 2 subgroups (n=16 each) according to …
The Effects Of Two Different Palatal Expanders On Nasal And Pharyngeal Airway Volumes As Measured By Cbct, Amira Allam, Tarek Marei, Fatma Abd Elsamad, Sayed Mekheimar
The Effects Of Two Different Palatal Expanders On Nasal And Pharyngeal Airway Volumes As Measured By Cbct, Amira Allam, Tarek Marei, Fatma Abd Elsamad, Sayed Mekheimar
Al-Azhar Journal of Dentistry
Objective: To evaluate and compare the effect of memory palatal split screw (Memorax) to that of conventional Hyrax rapid palatal expanders on nasal and pharyngeal airway volumes, which were measured and recorded by Cone beam computed tomography (CBCT). Materials and Methods: This study was conducted over 14 subjects of adolescent patients with bilaterally constricted maxillary arches, the sample contained 12 females and 2 males, with age ranged from 12ys to 15ys, with a mean of 13.6 ± 1.4. The sample was divided into two age matched groups, the Memorax group(N=7) subjects with a mean age of 13.5 ± 0.4, received …
Effect Of Different Preparation Designs On The Fracture Load Of Two Machinable Laminate Veneers, Sara Tamimi, Eman Essam, Jylan El Guindy
Effect Of Different Preparation Designs On The Fracture Load Of Two Machinable Laminate Veneers, Sara Tamimi, Eman Essam, Jylan El Guindy
Al-Azhar Journal of Dentistry
Aim: The present study was performed to evaluate the effect of different preparation designs [window, butt- Joint, and incisal overlap], on the fracture load of two CAD / CAM laminate veneer materials [Zirconia CAD / CAM and resinnanoceramic ; lava ultimate].Materials and Methods: Thirty maxillary anterior teeth were restored with ceramic laminate veneers and divided into 6 groups as follows: group I-A (laminates made of Ultra translucent zirconia CAD with window preparation design), group I-B (laminates made of Ultra translucent zirconia CAD with butt-joint preparation design), group I-C (laminates made of Ultra translucent zirconia CAD with incisal overlap preparation design), …
Evaluation Of Low Intensity Laser On The Rate Of Orthodontic Tooth Movement, Rabab El-Hosieny, Samir Ibrahim, Fatma Abd El-Samad, Hend Hafez
Evaluation Of Low Intensity Laser On The Rate Of Orthodontic Tooth Movement, Rabab El-Hosieny, Samir Ibrahim, Fatma Abd El-Samad, Hend Hafez
Al-Azhar Journal of Dentistry
Objective: to evaluate the effect of low intensity laser therapy on the rate of orthodontic tooth movement in adolescent females. Materials and Methods: A sample of 10 patients with an age range of 14-18 years requiring extraction of first premolars was selected for this study. A randomized split-mouth study design was used. A nickeltitanium closed-coil spring was used for canine retraction on mini-implants. The study side received low intensity laser therapy (LILT) from a semiconductor (aluminium gallium arsenide) diode laser with a wavelength of 910 nm. The laser regimen was appliedon days 0, 3, 7, and 14 in the first …
Effect Of Different Surface Treatments On Cone Beam Computed Tomography Image And Push Out Bond Strength Of Conventional And Reinforced Fiber Posts., Sahar Abd El Wahab, Zynab El-Sharkawy
Effect Of Different Surface Treatments On Cone Beam Computed Tomography Image And Push Out Bond Strength Of Conventional And Reinforced Fiber Posts., Sahar Abd El Wahab, Zynab El-Sharkawy
Al-Azhar Journal of Dentistry
Statement of problem: Surface treatment of reinforced fiber posts may not always increase adhesion, especially on post/resin based luting agent interface which is weaker than the dentin/adhesive interface. Relatively little information is available on cone beam computed tomography as non-destructive method suitable for investigating the details of the tooth structure and restoration relationship. Purpose: The purpose of this study was performed to evaluate porosities and gaps at post/ root dentin interface by CBCT and correlate them to push out bond strength of conventional and reinforcedglass fiber posts after different surface treatments; hydrofluoric acid, hydrogen peroxide and sandblasting. Materials and Methods: …