Show: 25 50 75 100 Results

Search results: 50 out of 157

التاثیر البایومیكانیكي للتذریة اللیزریة بواسطة ال (Nd.YAG laser) على الغرسات المصنوعة من التیتانیوم النقي تجاریا : دراسة داخل الجسم == Biomechanical Effect of Nd: YAG Laser Ablation on Commercially Pure Titanium Dental Implant (in vivo)

Author name: نور جمال محمد سعيد الراوي
Supervisor name: باسمة محمد علي حسين
General topic: Dentistry
Specific topic: Prosthodontics
Degree: Master
University: University of Baghdad
Language: English
University location: Baghdad
First pages:

تشكيل السطح بالليزر وطلاء غرس التيتانيوم بواسطة البوليمر ايثر كيتون كيتون العالي الاداء : دراسة خارج وداخل الجسم الحي == Laser Surface Structuring and Coating of Titanium Implant with High Performance Poly Ether Ketone Ketone Polymer: (In vitro - In vivo) Study

Author name: اسيل محمد صادق الخفاجي
Supervisor name: ذكرى اسماعيل حمد
General topic: Dentistry
Specific topic: Prosthodontics
Degree: Doctorate
University: University of Baghdad
Language: English
University location: Baghdad
First pages:

تقييم التوافق الحيوي والخواص الميكانيكية لسيليكون الوجه والفكين معزز بجزيئات نيتريد البورون السداسية == Evaluating the Biocompatibility and Mechanical Properties of Maxillofacial Silicone Enhanced by Hexagonal Boron Nitride Particles

Author name: منتظر سلام علي
Supervisor name: فائزة محمد حسين عبد الامير
General topic: Dentistry
Specific topic: Prosthodontics
Degree: Master
University: University of Baghdad
Language: English
University location: Baghdad
Key words:
  • Maxillofacial prostheses
  • Maxillofacial silicone
  • Biocompatiblity
  • Mechanical properties
  • Hexagonal boron nitride
First pages:
Abstract: Maxillofacial silicone is the most popular material in the fabrication of maxillofacial prostheses. However, the material did not meet the desired qualities of maxillofacial prosthesis due to mechanical properties limitations. This study aims to evaluate maxillofacial silicone’s biocompatibility after the addition of hexagonal boron nitride (H-BN) particles concerning cytotoxicity and skin irritation, as well as its mechanical properties. Methodology: Eighteen specimens of maxillofacial silicone (VST-50F) incorporated with different percentages of H-BN (0, 0.1, 0.3, 0.5, 0.7, and 1 wt%) were tested for cytotoxicity in vitro by direct contact test. Then, cell viability was determined by cytotoxicity assay. Twelve specimens were applied in vivo to the backs of five rabbits for 4 hours, followed by evaluations of the skin irritation. The experimental groups (control, 0.5 wt%, and 0.7 wt%) were selected after the pilot study. 10 specimens out of 120 specimens were utilized to assess each mechanical property (tear strength, tensile strength, elongation percentage, Shore A hardness, and surface roughness). The specimens were studied using field emission-scanning electron microscope (FE-SEM) with energy dispersive X-ray spectroscopy (EDX) and Fourier transform infrared spectroscopy (FTIR). One-way ANOVA and Tukey’s tests were used to assess the data, with P-value < 0.05 indicating statistical significance. Results: The results revealed a negligible effect of the modified maxillofacial silicone to the cell viability after 72 hours of incubation and there was no skin irritation. The FE-SEM and EDX findings showed evenly dispersed H-BN within the VST-50F silicone. The FTIR revealed no chemical interaction between the silicone and H-BN. Both experimental groups showed a significant increase in tear strength and a significant decrease in Shore A hardness and surface roughness. The 0.5 wt% group showed a non-significant drop in tensile strength and elongation percentage. However, the 0.7 wt% group showed a significant decline. Conclusion and recommendations: This study suggests that maxillofacial silicone is safe up to 1 wt% of H-BN in terms of cytotoxicity and skin irritation. As the percentages of H-BN increased, tear strength improved, whereas tensile strength, elongation percentage, Shore A hardness, and surface roughness were reduced. However, the remaining biocompatibility tests need to be investigated before being used on humans.
Full text:
Summary:
References:

تاثير اضافة اوكسيد اليتريوم النانوي على خصائص مادة السليكون المفلكن بدرجة حرارة الغرفة والمستخدم في تعويضات الوجه والفكين قبل وبعد التعرض لظروف تهريمية == Evaluating the Role of Nano Yttrium Oxide Addition on Room Temperature Vulcanized Maxillofacial Silicone Elastomers Properties Before and After Aging

Author name: ياسر نبيل عبد الرزاق
Supervisor name: فائزة محمد حسين عبد الامير
General topic: Dentistry
Specific topic: Prosthodontics
Degree: Master
University: University of Baghdad
Language: English
University location: Baghdad
First pages:

التغير اللوني للصبغات الجافة لمادة تعويضات والفكين المرنه بتاثير الاشعة الفوق البنفسجية == Color Changes In Dry -Pigmented Maxillo- facial Elastomer Effected by Ultra-violet Light

Author name: شهد فاضل بنيان
Supervisor name: اخلاص زيد عون
General topic: Dentistry
Specific topic: Prosthodontics
Degree: Master
Language: English
University location: Baghdad
First pages:

تقييم بعض خواص الميكانيكة والفيزيائية لنوعين من مواد التبطين بعد مزجها بالتركيب المحضر المكون من الزيولايت المحمل بالخارصين والفضة == Evaluation of certain mechanical and physical properties of two types soft lining materials mixed with prepared Silver-Zinc Zeolite composite

Author name: هدى علاء الدين صادق
Supervisor name: اسراء محمد حمودي
General topic: Dentistry
Specific topic: Prosthodontics
Degree: Master
Language: English
University location: Baghdad
First pages:

تاثير طلاء السترونتيوم هيدروكسي ابيتايت النانوي و الفلوراباتيت النانوي على غرسات التيتانيوم التجاري النقي : دراسة بايوميكانيكية ونسيجية == The Effect of Nano Strontium Substituted Hydroxyapatite and Nano Fluorapatite Coating on Commercially Pure Titanium Implants (Biomechanical and Histological Study

Author name: حيدر صبيح حسن
Supervisor name: بيان سليم خلف
General topic: Dentistry
Specific topic: Prosthodontics
Degree: Master
University: University of Baghdad
Language: English
University location: Baghdad

بعض خواص مادة قاعدة الطقم الاكريلي المعاملة ضوئيا : دراسة مقارنة == Some Properties of Visible Light-Cured Acrylic Denture Base Materials -A comparative Study-

Author name: الاء عبد الكريم حسين الشيخلي
Supervisor name: سوزه عبد العزيز فرج
General topic: Dentistry
Specific topic: Prosthodontics
Degree: Master
University: University of Baghdad
Language: English
University location: Baghdad
First pages:

تحوير پولي مثيل ميثاكريليت باستخدام بعض الاضافات == Modification of Poly Methyl Methacrylate by Using Some Additives

Author name: احمد عاصم سعيد العلي
Supervisor name: طارق ياسين قصاب باشي
General topic: Dentistry
Specific topic: Prosthodontics
Degree: Doctorate
Language: English
University location: Mosul
First pages:

تقييم تاثير الاضافات المعدنية النانوية على بعض الخواص الفيزياوية لقاعدة طقم الاسنان المرن == Evaluation the effect of Nano Metallic Additives on physical Properties of Flexible Denture Base Material

Author name: عمار خالد جمال الدين النوري
Supervisor name: نادرة عبد الرضا حاتم | عامر عبد الرحمن طاقة
General topic: Dentistry
Specific topic: Prosthodontics
Degree: Doctorate
Language: English
University location: Mosul
First pages:

The Effect of Aging On Some Mechanical And

Author name: افياء لطيف جاسم
General topic: Dentistry
Specific topic: Prosthodontics
Degree: Master

The Effect Of Pores In Dual Nano Hydroxyapatite Coating On Thermally Oxidized Commercial Pure Titanium : Mechanical And Histological Evaluation

Author name: Dania Fawzi Mahmood
General topic: Dentistry
Specific topic: Prosthodontics
Degree: Master
University: University of Baghdad
University location: Baghdad
Key words:
  • Dentures

Bioechanical And Histological Evaluation Of Porous Titanium Implants Cpti Fabricated By Powder Technology

Author name: dhuha hussein mohammed
General topic: Dentistry
Specific topic: Prosthodontics
Degree: Master
University: University of Baghdad
University location: Baghdad
Key words:
  • prosthodontics

Evaluation Of Mandibular Reconstruction After War Injuries

Author name: Al - ebadi Ali Dawood
General topic: Dentistry
Specific topic: Prosthodontics
Degree: Master
University: University of Baghdad
University location: Baghdad
Key words:
  • Prosthodontics%Thesis

The Use Of Microwave Energy In Polymevization Of Radio - Opaque Dentur Base Polymers

Author name: Ahmed Sabah Ali Al - Haydavy
General topic: Dentistry
Specific topic: Prosthodontics
Degree: Master
University: University of Baghdad
University location: Baghdad
Key words:
  • Dental matevials%Polymevs in medicine%Thesis.

The Effect Of Polymerization Methods On The Extractable Cadmiun Levels Of Dentur Base Polymers

Author name: Al - Assal Adnan Radhi
General topic: Dentistry
Specific topic: Prosthodontics
Degree: Master
University: University of Baghdad
University location: Baghdad
Key words:
  • Crowns(Dentisry%Thesis

In Vitro,An Evaluation Of Cusp Resistance To Fracture Of Posterior Teeth Restored With Glass Ionomer Filling Material Compared

Author name: Makdad Najeeb Chakmakchi
General topic: Dentistry
Specific topic: Prosthodontics
Degree: Master
University: University of Baghdad
University location: Baghdad
Key words:
  • Dental materials%Thesis

The Use Of Anterior Measurements In Selection Of Anterior Teeth

Author name: Mohammed Modhaffer M Ali
General topic: Dentistry
Specific topic: Prosthodontics
Degree: Master
University: University of Baghdad
University location: Baghdad
Key words:
  • Prosthodotics%Thesis

The Position Of The Artificial Occlused Plane As Related To Other Craniofacial Planes(A Cephalometric Study)

Author name: Nada Aadil Younis
General topic: Dentistry
Specific topic: Prosthodontics
Degree: Master
University: University of Baghdad
University location: Baghdad
Key words:
  • Occlusion(Dentistry)%Thesis

Evaluation Of Some Physical And Mechanical Properties Of Recycled Acrylic Resin From Denture Base Materials

Author name: Ghada Abdul Munim Mohammed
General topic: Dentistry
Specific topic: Prosthodontics
Degree: Master
University: University of Baghdad
University location: Baghdad
Key words:
  • Dental materials - Theses

Mesio - Distal Crown Diameter Of Permanent Teeth & Predication Chart For Mixed Dentition Analysis

Author name: Sereen hadi Sofia
General topic: Dentistry
Specific topic: Prosthodontics
Degree: Master
University location: Mosul
Key words:
  • Crown(dentistry)_

Two - Dimensional Finite Element Stress Analysis Of Upper Complete Denture

Author name: Noor Aldeen Abdul Sattar Hamid
General topic: Dentistry
Specific topic: Prosthodontics
Degree: Master
University: University of Baghdad
University location: Baghdad
Key words:
  • Complete dentures

The Efficacy Of Antifungal Agents Incorporated Into Heat - Cured Acrylic Denture Base Resin : An In Vitro Study

Author name: Al - Hilfi Lujain Ahmed
General topic: Dentistry
Specific topic: Prosthodontics
Degree: Master
University: University of Baghdad
University location: Baghdad
Key words:
  • Dentures - theses

Factors Affecting Success Of

Author name: AL - Suddani Jabbbar Jasim Kareem
General topic: Dentistry
Specific topic: Prosthodontics
Degree: Master
University: University of Baghdad
University location: Baghdad
Key words:
  • Implant dentures

Evaluation Of Candida Ablicans Attachment To Flexiblc Denture Base Material ( Valpast ) And Heat Cure Acrylic Resin Using Different Finfshing And Polishing Techniques

Author name: Mustafa mahdi Jasim
General topic: Dentistry
Specific topic: Prosthodontics
Degree: Master
University: University of Baghdad
University location: Baghdad
Key words:
  • Prosthodontics

Evaluation Of The Effect Of Modified Nano Fillers Addition On Some Properties Of Heat Cured Acrylic Resin Denture Base Material

Author name: Ihab nabeel Safi
General topic: Dentistry
Specific topic: Prosthodontics
Degree: Master
University: University of Baghdad
University location: Baghdad
Key words:
  • Crowns dentistry

Evaluation Of Some Physical And Mechanical Properties Of Vefabricated Self Cnred Acrylic From Nsed Selfcured Materials

Author name: Al khafaji mohommed talib
General topic: Dentistry
Specific topic: Prosthodontics
Degree: Doctorate
University: University of Baghdad
University location: Baghdad
Key words:
  • prosthaobntic

Evalutino And Comparison Of The Effect Of Repeated Microwave Irradiation On Somem Echanical And Physical Propertieso Of Heat Cure Acrylic Resin And Valplast (Nylon) Denture Base Materials

Author name: ali abdul razzaq mohammed
General topic: Dentistry
Specific topic: Prosthodontics
Degree: Master
University: University of Baghdad
University location: Baghdad
Key words:
  • prosthodontis

Effect Of Metal Suface Treatment And Thermocycling Shear Bond Strength Of Heat Cure And Light Cure At Colcr And Nilcn Interface

Author name: AliMohammedKhursheed
General topic: Dentistry
Specific topic: Prosthodontics
Degree: Master
University: University of Baghdad
University location: Baghdad
Key words:
  • Dentures

Eualuation Of The Effect Of Poly Vinyl Pyrrolidone Addition On Som Physical Properties Of Heat Cured Acrylic Resin Denture Base Material

Author name: Aula Kamal rafecq
General topic: Dentistry
Specific topic: Prosthodontics
University: University of Baghdad
University location: Baghdad
Key words:
  • dentures

The Effect Of Diagnosis And Clincal Experience On The Removable Partial Deture Deture Design

Author name: Salma adnan saad el - din
General topic: Dentistry
Specific topic: Prosthodontics
Degree: Master
University: University of Baghdad
University location: Baghdad
Key words:
  • dentures

Evaluation Of Mechanical And Histological Significance Of Nigella Sative Oil Extract On The Osseointegration Of Hydroxyapatite Coated Cpti - Implants

Author name: Al - Muethin Rasha Mehdi Hasan
General topic: Dentistry
Specific topic: Prosthodontics
Degree: Master
University: University of Baghdad
University location: Baghdad
Key words:
  • Prosthodontics

Effect Of Glass Fiber Reinforcement Surface Treatment On The Soft Retention And Longevity

Author name: Inas Abdul - Sattar Salman
General topic: Dentistry
Specific topic: Prosthodontics
Degree: Master
University: University of Baghdad
University location: Baghdad
Key words:
  • Prosthodontics

Influence Of Different Ph Of Salira And Thermal Cycling On The Adaptation Of Different Denture Base Materials

Author name: Yasir Ali Hussein
General topic: Dentistry
Specific topic: Prosthodontics
Degree: Master
University: University of Baghdad
University location: Baghdad
Key words:
  • Dentures

Effect Of Thermocycling On Some Mechanical Properties Of Polyamide Hypoallergenic Denture Base Material - Comparative Study -

Author name: al - muthaffer . azad mohammed ridha
General topic: Dentistry
Specific topic: Prosthodontics
Degree: Master
University: University of Baghdad
University location: Baghdad
Key words:
  • dentures

The Effect Of Autoclave Processing On Some Properties Of Heat Cured Denture Base Material

Author name: salwan sami abdulwahhab
General topic: Dentistry
Specific topic: Prosthodontics
Degree: Master
University: University of Baghdad
University location: Baghdad
Key words:
  • dentures

Tooth Movement In Maxillary Complete Dentures Fabricated With Fluid Resin Polymer Using Different Investment Materials

Author name: sanaa rasheed abd
General topic: Dentistry
Specific topic: Prosthodontics
Degree: Master
University: University of Baghdad
University location: Baghdad
Key words:
  • dentures

Evaluation Of The Effect Of Plasma On Transrerse Strength Surface Roughness And Candida Adhesion Of Two Types Of Acrylic Denture Loase Materials Heat Cure And Light Cure

Author name: aliaa khaleel awad
General topic: Dentistry
Specific topic: Prosthodontics
Degree: Master
University: University of Baghdad
University location: Baghdad
Key words:
  • prosthodontics

Comparison Of Certain Mechanical Properties Including Deflection Fatigue Resistance Of Cobalt Chromium Alloy And Nylon Tooth Cdored Clasping Materials

Author name: Al - Awady . Azhar Imran Majeed
General topic: Dentistry
Specific topic: Prosthodontics
Degree: Master
University: University of Baghdad
University location: Baghdad
Key words:
  • Prosthodontics

Effect Of Modified Zirconium Oxide Nano Fillers Addition On Some Properties Of Heat Cure Acrylic Denture Base Material

Author name: Duraid Mohammed Ahmed
General topic: Dentistry
Specific topic: Prosthodontics
Degree: Master
University: University of Baghdad
University location: Baghdad
Key words:
  • Dentures

The Effect Of Silicondi Oxide Nano Fillers Rein Forcement On Some Properties Of Heat Cure Polymethyl Methacrylate Denture Base Material

Author name: Alnamel . Hasanen Ali
General topic: Dentistry
Specific topic: Prosthodontics
Degree: Master
University: University of Baghdad
University location: Baghdad
Key words:
  • Dentures

Clinical Evaluations For The Masticatory Efficiency Of Heat Cure Resin And Flexible Types Of Denture Base Materials

Author name: Al - Jammaly Zainab Mahmood Juad
General topic: Dentistry
Specific topic: Prosthodontics
Degree: Master
University: University of Baghdad
University location: Baghdad
Key words:
  • prosthodontics

Assessment Of Some Mechanical Properties Of Imprelom And R Dura R Thermoplastic Biostar Machine Sheets In Comparison With Some Types Of Acrylic Resins

Author name: Mustafa Fuhad Muhammed
General topic: Dentistry
Specific topic: Prosthodontics
Degree: Master
University: University of Baghdad
University location: Baghdad
Key words:
  • Prosthodontics

The Influence Of Instrument Applicatication Frequency On Apical Extrusion Of Debris Using Rotary Protaper , Hand Protaper And Hybrid Technique ( An In Vitro Study )

Author name: Al - Doory . Zaid k
General topic: Dentistry
Specific topic: Prosthodontics
Degree: Master
University: University of Baghdad
University location: Baghdad
Key words:
  • Dentistry - Dental hygiene

Effect Of Silver Nitrate Incorporation Into Heat Polymerized Acrylic Resin On Bacterial Activity And Some Mechanical Properties

Author name: Al - Husayni Ola khaleefah Ahmed
General topic: Dentistry
Specific topic: Prosthodontics
Degree: Master
University: University of Baghdad
University location: Baghdad
Key words:
  • prosthodontics

An Evaluation Of Three Fissure Sealants Microleakage With Presence Or Absence Of Bonding Agent Through Time Intervals : In Vitro Study

Author name: el - mosawi ali mohammad husain
General topic: Dentistry
Specific topic: Prosthodontics
Degree: Master
University: University of Baghdad
University location: Baghdad
Key words:
  • dentistry , operative

The Effect Of In Office Bleaching On Surface Roughness And Microhardness Of Newly Developed Composite Materials

Author name: Noor Salman Nadhum
General topic: Dentistry
Specific topic: Prosthodontics
Degree: Master
University: University of Baghdad
University location: Baghdad
Key words:
  • Dental Materials

Role Of Biomaterial Collagen Coated Titanium Implant Surface On Expression Of Bone Protein Markers And Osseointegration Reaction In Comparison To Titanium Implant Coated With Zirconia

Author name: ban abdul ghani jamil
General topic: Dentistry
Specific topic: Prosthodontics
Degree: Doctorate
University: University of Baghdad
University location: Baghdad
Key words:
  • implant dentures

Mechanical And Histological Evaluation Of Nano Zirconium Oxide Coating On Titanium Alloy ( Ti 6Al 7Nb) Dental Implants

Author name: Amer Subhi Waheed
General topic: Dentistry
Specific topic: Prosthodontics
Degree: Master
University: University of Baghdad
University location: Baghdad
Key words:
  • Dental implants

Evaluation Of Corrosion Behavior Of Bioceramics Coated Commercially Pure Titanium And Ti 6Al 4V Alloy

Author name: Hanan Ali Hameed
General topic: Dentistry
Specific topic: Prosthodontics
Degree: Master
University: University of Baghdad
University location: Baghdad
Key words:
  • Prosthodontics
1 2 3 4