Mohamed M Elsheikh

Mohamed M Elsheikh
Tanta University · Department of Prosthodontics

Ph.D

About

42
Publications
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91
Citations

Publications

Publications (42)
Article
Full-text available
Aim: The purpose of this parallel randomized clinical trial was to evaluate the effects of BioHPP versus cobalt-chromium (Co-Cr) frameworks in screw-retained implant-supported fixed dental prostheses (FDPs) on peri-implant soft and hard tissues clinically and radiographically. Materials and Methods: Fifteen patients with bilateral partial edentulis...
Article
Full-text available
ckground To evaluate the effect of denture cleansers with and without fatigue stress on the retention of the locator attachments. Materials and methods Three dummy implants of length (13 mm) and a diameter of 4.2 mm with their locator abutments were embedded into three acrylic resin blocks. Seventy pink locator attachments were divided into thre...
Article
Full-text available
Purpose: Of this study is to examine the effect of storage times and temperature degrees of cleansing solutions on retention of overdenture bar attachments. Materials and Methods: 120 hader bar clips were divided into two groups according to type of cleansing solution (Tape water and Corega), each group incubated in (20°C, 37°C and 60°C) for 1/2 ho...
Article
Full-text available
Abstract Measurements of inter implant distance through two various methods were evaluated and compared. Material and Methods: Fifteen completely edentulous patients with two mandibulary inserted implant were selected for this study. The distance between two implants was measured in the computerized way using cone beam software. the inter- implant...
Article
Measurements Of Inter Implant Distance Through Two Various Methods Were Evaluated And Compared. Materials and Methods: Fifteen Completely Edentulous Patientswith Two Mandibulary Inserted Implant Were Selected For This Study. The Distance Between Two Implants Was Measured In The Computerized Way Using Cone Beam Software. The Inter- Implant Distance...
Research
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Background: The best time at which to replace implant after dental extraction is a matter of controversy. Immediate implant or immediate-delayed implant has been used to replace non periodontally hopeless teeth to avoid socket bone loss if remained un
Article
Full-text available
Aims: The purpose of this in-vitro study was to evaluate the screw loosening of two different forms of implant abutment connection designs, and two implant diameters by measuring removal torque value (RTV) before and after cyclic loading. Materials and methods: Twenty implant fixtures were divided equally into 2 groups (N=10): group I fixture wi...
Article
Full-text available
The aim of this in-vitro study was to compare between stress distribution around straight and tilted posterior dental implant with different lengths under removable partial denture using electrical strain gauge. Methods: Four models representing mandibular unilateral distal extension edentulous area in right side were fabricated from epoxy resin an...
Article
Full-text available
Objective: The objective of this study was to evaluate the effect of two different flexible denture base materials (Flexiplast and Versacryl) on retention and microbial changes in completely edentulous patients with a bilateral maxillary buccal undercut. Materials and Methods: Twenty completely edentulous patients with bilateral maxillary buccal un...
Article
Full-text available
Background The purpose of this in vitro study was to evaluate the effect of different angulations and collar lengths of the implant abutment on screw loosening by measuring removal torque value (RTV) before and after dynamic cyclic loading using digital torque gauge. Methods A total 90 sets of 4.5 mm diameter × 10 mm length bone level implants wit...
Article
Full-text available
Objective The aim of this in‑vitro study was to evaluate the effect of position of single implant with two different attachments on stress distribution of mandibular complete overdenture using electrical resistance strain gauge. Materials and methods One acrylic mandibular edentulous model was constructed with 2 mm thickness of artificial mucosa. F...
Article
Full-text available
urpose The objective of this in vitro study was to evaluate the retentive strength of 3 clasp materials Acetal resin (Ac), Cobalt- Chrome (Co-Cr) alloy and Nickel-Chrome (Ni-Cr) alloy before and after cyclic loading. Materials and methods A total of 72 clasps (24 clasps for each material) were fabricated on standardized metallic molar models. T...
Article
Full-text available
The purpose of this study was to clinically and radiographically compare implantconnected and tooth-connected implant-supported fixed-detachable mandibular partial dentures. Twenty partially edentulous patients (age range: 25 to 50 years) with mandibular Kennedy Class II configurations were equally divided into two groups receiving a three-unit, fi...
Conference Paper
One disadvantage of using provisional cements to maintain retrievability is their low retentive forces. In limited inter-occlusal space, using shorter abutments may complicate the problem. Objectives: This in-vitro study compared the effect of sandblasting or no sandblasting of two different implant abutments with two lengths on the tensile retenti...
Conference Paper
Objective: The objective of this in vitro study was to evaluate the retentive strength of 3 clasp materials Acetal resin (Ac), CobaltChrome (Co-Cr) alloy and Nickel-Chrome (Ni-Cr) alloy before and after cyclic loading. Methods: A total of 72 clasps (24 clasps for each material) were fabricated on standardized metallic molar models. The clasps of ea...
Article
Objective: The objective of this in vitro study was to evaluate the retentive strength of 3 clasp materials Acetal resin (Ac), Cobalt–Chrome (Co-Cr) alloy and Nickel-Chrome (Ni-Cr) alloy before and after cyclic loading. Methods: A total of 72 clasps (24 clasps for each material) were fabricated on standardized metallic molar models. The clasps of e...
Article
Full-text available
Objectives: The objective of this study was to assess and compare the effect of cement type on the retention of implant superstructure cemented to abutments with different material, length and surface treatment. Materials and methods: Eighty implant abutments (Oraltronics dental implant, Germany) were used in this study, forty of them are prefabric...
Article
Full-text available
Purpose To compare implant connected and tooth connected implant supported fixed-detachable mandibular partial dentures clinically and radiographically. Materials and methods 20 partially edentulous patients with age range (25–50) years old of mandibular class II Kennedy classification were equally divided into two groups receiving a three unit fi...
Article
Purpose: To compare implant connected and tooth connected implant supported fixed-detachable mandibular partial dentures clinically and radiographically. Materials and methods: 20 partially edentulous patients with age range (25e50) years old of mandibular class II Kennedy classification were equally divided into two groups receiving a three unit f...
Article
Full-text available
Abstract Purpose: To compare implant connected and tooth connected implant supported fixed-detachable mandibular partial dentures clinically and radiographically. Materials and methods: 20 partially edentulous patients with age range (25e50) years old of mandibular class II Kennedy classification were equally divided into two groups receiving a thr...
Article
Full-text available
This study evaluated the bond strength between porcelain denture teeth (Bioblend 43D) and four different polymerized denture resins (Lucitone 199, Palapress, Acron MC, Triad) with and without a bonding agent and after four different types of surface treatment (polished, HF etched, sandblasted, air-abraded). Central incisor porcelain denture teeth w...
Article
Full-text available
Restoration of esthetics is an important function of removable partial denture (RPD) and it determines the success of the treatment. The goal of achieving optimal esthetics, while maintaining retentive integrity, stability, and protecting the health of the tooth is the most difficult task. The aim of this study to evaluate and compare through patie...
Research
Full-text available
Restoration of esthetics is an important function of removable partial denture (RPD) and it determines the success of the treatment. The goal of achieving optimal esthetics, while maintaining retentive integrity, stability, and protecting the health of the tooth is the most difficult task. The aim of this study to evaluate and compare through patie...
Article
Full-text available
Cleft lip and palate represent the most frequently observed congenital maxillofacial deformity. One of the important problems in the cleft palate infants is the abnormal position of the tongue as it falls backwards and penetrates nasopharynx during swallowing causing ulceration in the posterior part of the vomer. Ultrasound technology is currently...
Conference Paper
Statement of problem: The precise transfer of the relationships of implants from the mouth to the master cast is considered an important step to ensure the accuracy of the fit of implant-supported prostheses. To date previous studies have shown that disinfectants may adversely affect impressions accuracy in regular crown and bridges work, but no st...
Conference Paper
Acrylic resin is the most commonly used material for denture bases but does not bond well to porcelain teeth. Objective: This study evaluated the bond strength between porcelain denture teeth (Bioblend 43D) and four different polymerized denture resins (Lucitone 199, Palapress, Acron MC,Triad) with and without a bonding agent (Scotchbond MP) and af...
Conference Paper
Objective: To investigate peri-implant micro flora in one and two-piece implants in patients with partial and complete overdenture. Materials & Methods: Thirty two implants were selected for this study. Sixteen one piece implants (Osteocare One-piece Midi ball type implant System, UK). and sixteen two piece implants (IMTEC Co. Boca Raton Fl, USA)....
Article
Dental prostheses labeled with the patient's name and further unique identifiers such as gender, phone number, address, job and national identity number may play an important role in forensic casework's. This article describes a new technique for placing identification tags within the acrylic or metallic removable dentures in a simple and cheap way...
Article
Full-text available
ABSTRACT Microwave energy has been used as an alternative method for disinfection and sterilization of dental prostheses, however, there is little information regarding the effect of microwave energy on dimensional accuracy of acrylic resin denture. Purpose: The purpose of this study was to study the effect of microwave disinfection on the dimensio...
Article
Full-text available
ABSTRACT Purpose: Comparison between one piece and two piece immediate loading implants in the implant supported over denture. Materials and methods: A 16 male patient free from any systemic disease were selected for this study divided into two groups 8 each. Group I each patient receive a mandibular retained over denture supported by two implants...
Article
This in vitro study compared the effects of four surface treatments on the bond strength between porcelain denture teeth and heat-polymerized denture base acrylic with and without a ceramic primer and bonding agent and after three storage conditions. Polished porcelain specimens (120) were divided into 24 groups of five each as follows: surface tre...

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Projects (6)