Attenuating Effect Of Vitamin E Against Silver Nano Particles Toxicity In Submandibular Salivary Glands, Mahmoud Bakr, Mahmoud Al Ankily, Sara M. Shogaa, Mohamed Shamel

Dentistry

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Open AccessArticle

Attenuating Effect of Vitamin E against Silver Nano Particles Toxicity in Submandibular Salivary Glands

by Mahmoud M. Bakr 1,*, Mahmoud M. Al-Ankily 2, Sara M. Shogaa 2 and Mohamed Shamel 2 1 School of Medicine and Dentistry, Griffith University, Gold Coast, QLD 4215, Australia 2 Faculty of Dentistry, The British University in Egypt, Cairo 11837, Egypt * Author to whom correspondence should be addressed. Academic Editors: Ilaria Fratoddi and Frank Alexis Bioengineering 2021, 8(12), 219; https://doi.org/10.3390/bioengineering8120219 Received: 3 November 2021 / Revised: 29 November 2021 / Accepted: 14 December 2021 / Published: 16 December 2021 …

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Anatomical Analysis Of Mandibular Posterior Teeth Using Cbct: An Endo-Surgical Perspective, Shehabeldin Mohamed Saber Prof.Dr., Nawar Nawar

Dentistry

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Objective: This study sought to analyse the relationship between mandibular posterior teeth and the surrounding anatomical structures. Methods: A total of 170 CBCT images were examined to obtain measurements regarding the following: buccolingual (BL) and mesiodistal (MD) root thickness at the standard level of resection (3 mm from the apex), the thickness of the overlying buccal and lingual bone at the same level, the proximity of the mandibular canal (MC) to the apices of the mandibular posterior teeth, as well as the horizontal location of the mental foramen (MF). Results: The BL root width at 3 mm from the apex …

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Cytokeratin Overexpression In Submandibular Salivary Glands Of Rats Treated With Botulinum Toxin And Epidermal Growth Factor, Mahmoud Bakr, Mahmoud Al Ankily, Mohamed Shamel

Dentistry

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Botulinum toxin (BTX) is used in different cosmetic and therapeutic procedures. In dentistry, BTX has been used successfully for management of drooling. BTX injection into salivary glands has damaging adverse effects on all components of the gland. Epidermal Growth Factor (EGF) is well known for its regenerative properties. The aim of this study was to investigate the effect of BTX injections on the submandibular salivary glands of adult female Albino rats, when administered solely or in conjunction with EGF through measuring the expression of cytokeratin in the parenchyma of the gland. Sixty rats were used in this study and were …

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International Journal Of Dentistry, Ahmed Hamdy, Dalia Ghalwash, Waleed M. Abbas, Hala K. Abd El Gaber

Dentistry

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Objectives. This study aimed to clinically assess and compare the width of peri-implant keratinized mucosa following the use of a readymade plastic stent with apically repositioned flap versus conventional apically repositioned flap with papillary sparing incisions during single-stage implant placement protocol. Materials and Methods. A total of 20 patients were enrolled in this study. In the test group, a prefabricated implant-retained stent was clipped on the healing abutment after implant surgery to reposition the keratinized tissue buccoapically. In the control group, simple interrupted sutures were applied instead of using a stent. After the surgical procedure, the width of …

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Histological And Ultrastructural Study Of Silver Nanoparticles Toxicity And The Possible Protective Effect Of Vitamin C On Submandibular Salivary Glands Of Albino Rats, Mohamed Shamel, Dalia Riad, Mahmoud Al Ankily

Dentistry

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Introduction: Despite silver nanoparticles (AgNPs) beneficial effect in many fields, it has been shown that AgNPs can induce toxic effects. Cytotoxic effect of AgNPs is related to the increased release of reactive oxygen species (ROS) which may lead to cell death. Natural antioxidant scavengers like vitamin C have the capacity to bind and neutralize ROS thus having a vital role in cellular defense against oxidative stress. Objective: The objective of the current study was to assess the cytotoxic impact of AgNPs on the submandibular salivary glands of Albino rats and to reveal the potential antioxidant influence of vitamin C to …

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Histological And Ultrastructural Study Of Silver Nanoparticles Toxicity And The Possible Protective Effect Of Vitamin C On Submandibular Salivary Glands Of Albino Rats, Mohamed Shamel, Mahmoud Ankily

Dentistry

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Introduction: Despite silver nanoparticles (AgNPs) beneficial effect in many fields, it has been shown that AgNPs can induce toxic effects. Cytotoxic effect of AgNPs is related to the increased release of reactive oxygen species (ROS) which may lead to cell death. Natural antioxidant scavengers like vitamin C have the capacity to bind and neutralize ROS thus having a vital role in cellular defense against oxidative stress. Objective: The objective of the current study was to assess the cytotoxic impact of AgNPs on the submandibular salivary glands of Albino rats and to reveal the potential antioxidant influence of vitamin C to …

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Cone Beam Computed Tomography Versus Intraoral Digital Radiography In Detection And Measurements Of Simulated Periodontal Bone Defects Diagnostic Accuracy Study, Marwa Ezz, Hossam Kandil

Dentistry

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Detection and accurate assessmentof periodontal disease is important to determine the tooth prognosis and treatment. Radiographic assessment provides information about the pattern and extent of the alveolar bone loss. Digital radiography has ability to enhance images and make direct measurements. CBCT provides unique 3D images used for diagnosis and treatment plans, but its use in periodontology not well-reviewed as there is few number of studies searched about the role of CBCT in periodontology. We compare digital radiography with CBCTin the detection and measurements of different bone defects. Dry jaws with simulated bone defects were imaged by CBCT and Digital radiography …

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Assessment The Propolis Effect Versus Calcium Hydroxide Effect As Intracanal Medications On Post-Operative Pain In Necrotic Teeth, Engy M. Kataia

Dentistry

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Aim: to evaluate the postoperative pain of using Propolis versus Calcium hydrox- ide as intracanal medications on post-operative pain in necrotic teeth. Subjects and Methods: 40 patients requiring endodontic treatment for single rooted teeth were en- rolled in this analysis. The selected patients were separated into two groups with 20 pa- tients each; Group І: Propolis paste. Group II: Ca (OH)2 paste. The local anesthesia was administrated, and the working length determined by Root ZX apex locator, and then confirmed radiographically. The root canals were mechanically prepared in a crown- down approach using the “TF Adaptive” setting on Elements Motor. …

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What Do Patients Use For Treating Their Oral Ulcers? And How Do These Treatments Affect Their Quality Of Life?, Enji Ahmed Mahmoud, Ayat Gamal Abdel-Nasser, Mai Zakaria, Sohair Gaafar

Dentistry

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Objectives: Oral ulceration forms a major category of oral lesions. Due to its effect on the quality of life, the patients seek treatment using various substances. This study investigated the types of treatments used by a sample of patients having all types of oral ulcers and its positive and negative effects on the patients' lives. Methods: This cross-sectional study included patients having different types of oral ulcers. Participants provided information about their previous treatments, the source of recommendation of its use and side effects linked to them. They filled the oral health impact profile-14 questionnaire to report the change in …

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Oral Mucormycosis In Post-Covid- 19 Patients: A Case Series, Enji Ahmed Mahmoud, Asmaa Abobakr, Radwa Raghib, Ayman El-Gawish, Dalia Galwash

Dentistry

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No abstract provided.

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The Effect Of Different Drilling Protocols On Bone Healing Around Dental Implants., Sara Fikry, Amr Amin Ghanim, Hisham El Sheikh, Omar El Sergany

Dentistry

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Materials and Methods: 20 patients with kennedy class III modification 1 edentulous areas were recruited for this study and divided into two groups; Control group received implants with conventional osteotomy preparation following standard drilling protocol (speed= 1200 rpm) with torque of 30N and sufficient saline irrigation, while Study group received implants with osteotomy preparation following a low speed drilling protocol (speed < 200 rpm) without irrigation and a torque of 50 N. Cone Beam CT was used to evaluate bone height and density around the implants at 3, 6 and 12 months after insertion. Implant primary stability was evaluated using Ostell by Resonance Frequency Analysis. Results The results showed no significant difference between bone height changes and densities in the control and study groups. Implants primary stability also showed no significant difference in ISQ values between both groups. Conclusion Biologic drilling is a promising implant drilling protocol with a potential to insert implants showing successful osseointegration and acceptable bone changes.

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The Effect Of Egf On Vegf Expression On Submandibular Salivary Gland Of Albino Rats Receiving Doxorubicin, Mohamed Shamel, Mohamed Mansy, Rabab Mubarak

Dentistry

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Background: Vascular endothelial growth factor (VEGF) has two prominent biological effects of inducing mitogenesis and migration of vascular endothelial cells and to produce permeability on the microvasculature. Epidermal growth factor (EGF), known by its mitogenic activity on different types of cells, could induce the proliferation and differentiation of the epithelial cells and stimulate its regeneration. Doxorubicin (DXR) is a widely used anticancer drug and is one of most commonly used chemotherapeutic drugs, however it may cause some serious complications such as toxicity in various tissues in the body. Aims: The present study aims to investigate the effect of EGF on …

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Effect Of Locally Delivered Melatonin As An Adjunct To Nonsurgical Therapy On Gcf Antioxidant Capacity And Mmp-9 In Stage Ii Periodontitis Patients: A Randomized Controlled Clinical Trial, Enji Ahmed Mahmoud, Olfat Gamil Shaker, Nermin Youssif, Dalia Mohey-Eldien Ghalwash

Dentistry

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Objectives. Periodontitis is characterized by inflammatory destruction of periodontal tissue, loss of attachment, and bone resorption. +e increase in reactive oxygen species (ROS) is responsible for the oxidative damage occurring in periodontal tissues. Melatonin has important immunomodulatory, anti-inflammatory, and powerful antioxidant functions. +e current study was carried out to evaluate the effect of topical melatonin gel as an adjunct to nonsurgical periodontal therapy. Methods. +is splitmouth randomized controlled clinical trial was performed on 24 patients with grade II periodontitis. Two sites in each patient were randomly assigned; test sites were treated by nonsurgical therapy followed by intrapocket application of 5% …

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Type 2 Diabetes Mellitus And Oral Health Problems Cross-Sectional Study, Asmaa Ras, Eman Khalil

Dentistry

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ABSTRACT In Egypt, diabetes mellitus is considered to be a foremost health issue with a major influence on the disease and the rate of death. Diabetes mellitus is a communal disorder having affiliated oral disorders that influence dental care. The purpose of this study was to study the prevalence of oral changes in diabetes type 2 in the Egyptian participants to raise awareness between diabetic patients and dental professionals. Methods: This was a cross-sectional study that was done on 200 patients who were diagnosed with diabetes mellitus type 2 at Diabetes and Endocrinology Clinic in Kasr Al Ainy, Cairo University …

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An In Vitro Evaluation Of Surface Roughness, Color Stability And Bacterial Accumulation Of Lithium Disilicate Ceramic After Prophylactic Periodontal Treatment, Fatma Makkeyah, Tarek Salah Morsi, Marwa Mohamed Wahsh, Amr Saleh El-Etreby

Dentistry

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Objective: To evaluate the effect of scaling procedures using different ultrasonic tips on the surface roughness, color stability and bacterial accumulation of lithium disilicate ceramic. Material and Methods: Scaling procedure was carried out using ultrasonic scaler (Satalec, Acteon, North America) with stainless-steel tip (US), titanium tip (UT) and plastic tip (UP), on disc shaped lithium disilicate samples cemented into a cavity prepared onto the labial surface of freshly extracted bovine teeth (10 samples per group). The samples were stored in coffee solution in an incubator at 37°C for 12 days, which is equivalent to 1 year of coffee consumption. The …

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Evaluation Of Anti-Cancer Effect Of Different Concentrations Of Black Raspberries Extract On Oral Squamous Cell Carcinoma Cell Line (In Vitro Study), Sara Abdelwahed

Dentistry

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Background: Black Raspberry has a wide range of pharmacological and therapeutic aspects including anti-inflammatory and antioxidant activities. Moreover, the effect of Black Raspberry has been studied in many cancers such as human cervical, esophageal and colorectal cancer and showed cytotoxic and anti-proliferative effects against these types of cancer. Aim: To identify the possible anti-cancer effect of Black Raspberry on Oral Squamous Cell Carcinoma cell line. Material and methods: Human tongue squamous cell carcinoma cell line was divided into 3 groups: one control group, second group treated with Black Raspberry, and the third group treated with Doxorubicin, each of the two …

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