Mary Farid

ORCID: 0000-0003-2251-4443
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About
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Research Areas
  • Dental Radiography and Imaging
  • Helicobacter pylori-related gastroenterology studies
  • Endodontics and Root Canal Treatments
  • Celiac Disease Research and Management
  • Microscopic Colitis
  • Gastrointestinal motility and disorders
  • Tracheal and airway disorders
  • Orthodontics and Dentofacial Orthopedics
  • Temporomandibular Joint Disorders
  • Liver Disease Diagnosis and Treatment
  • Obstructive Sleep Apnea Research
  • Hepatitis B Virus Studies
  • Hepatitis C virus research
  • Gastroesophageal reflux and treatments
  • Inflammatory mediators and NSAID effects
  • Head and Neck Surgical Oncology
  • Asthma and respiratory diseases
  • Oral microbiology and periodontitis research
  • Cleft Lip and Palate Research
  • Sinusitis and nasal conditions
  • Facial Trauma and Fracture Management
  • Occupational and environmental lung diseases
  • Dental Anxiety and Anesthesia Techniques
  • Chronic Kidney Disease and Diabetes
  • Oropharyngeal Anatomy and Pathologies

Ain Shams University
2010-2025

University of California, Los Angeles
2005-2024

Queen Mary's Hospital Sidcup
2011

VA Greater Los Angeles Healthcare System
2006-2010

Weatherford College
2006

Digestive Care (United States)
2006

Icahn School of Medicine at Mount Sinai
2005

West Los Angeles College
2005

Guidelines emphasize that irritable bowel syndrome (IBS) is not a diagnosis of exclusion and encourage clinicians to make positive using the Rome criteria alone. Yet many are concerned about overlooking alternative diagnoses. We measured beliefs whether IBS exclusion, testing proclivity between experts community providers.We developed survey measure decision-making in two standardized patients with III-positive IBS, including diarrhea (D-IBS) constipation (C-IBS). The elicited provider...

10.1038/ajg.2010.47 article EN The American Journal of Gastroenterology 2010-03-02

Abstract Objectives Effective disinfection of the root canals is cornerstone successful endodontic treatment. Diminishing microbial load within canal system crucial for healing in endodontically treated teeth. The aim this study was to evaluate effect 2780 nm Er,Cr:YSGG and 940 diode lasers on eradication microorganisms from single-rooted teeth with asymptomatic apical periodontitis. Materials Methods Thirty participants conforming inclusion criteria were randomly divided into 3 groups...

10.1007/s00784-024-05563-z article EN cc-by Clinical Oral Investigations 2024-02-26

Background: Treatment options for chronic hepatitis B virus (HBV) infection have disparate risks and benefits. Interferon has clinically significant side effects, lamivudine is associated with viral resistance. In contrast, adefovir safe lower resistance but more expensive. The most cost-effective approach uncertain. Objective: To determine whether under what circumstances the improved efficacy of offsets its increased cost compared or interferon. Design: Cost–utility analysis stratified by...

10.7326/0003-4819-142-10-200505170-00007 article EN Annals of Internal Medicine 2005-05-17

BACKGROUND Hepatitis B virus (HBV) patients with cirrhosis are at risk for developing costly, morbid, or mortal events, and therefore need highly effective therapies. Lamivudine is but limited by viral resistance. In contrast, adefovir entecavir have lower resistance, more expensive. The most cost-effective approach uncertain. METHODS We evaluated the cost-effectiveness of six strategies in HBV cirrhosis: (1) No treatment (“do nothing”), (2) lamivudine monotherapy, (3) (4) crossover to on...

10.1111/j.1572-0241.2006.00769.x article EN The American Journal of Gastroenterology 2006-09-01

Mouth breathing causes many serious problems in the paediatric population. It has been maintained that enlarged adenoids are principally responsible for mouth breathing. This study was designed to evaluate whether other mechanical obstacles might predispose child breathing.67 children with ages ranging from 10 15 years were studied and grouped into mouth-breathers nose-breathers. The first underwent axial CT scans of brain which they originally referred. In addition, subjected a limited...

10.1259/dmfr/80778956 article EN Dentomaxillofacial Radiology 2010-01-01

Objective: To compare the diagnostic accuracy of digital intraoral and extraoral bitewing (EO BW) radiography in detection enamel proximal caries regardless their ability to separate contacts. Methods: Artificial with different degrees decalcification was induced 80 human sound premolars molars using formic acid. Intraoral radiographs were taken photostimulable phosphor plate (PSP) complementary metal oxide semiconductor (CMOS), paralleling technique. Extraoral obtained Sirona panoramic...

10.1259/dmfr.20150326 article EN Dentomaxillofacial Radiology 2016-02-19

Although 'best practice' guidelines for dyspepsia management have been disseminated, it remains unclear whether providers adhere to these guidelines.To compare adherence among experts, community gastroenterologists and primary-care (PCPs).We administered a vignette survey elicit knowledge beliefs about including set of 16 best practices, three groups: (i) experts; (ii) (iii) PCPs.The expert, gastroenterologist PCP groups endorsed 75%, 73% 57% practices respectively. Gastroenterologists were...

10.1111/j.1365-2036.2009.03935.x article EN Alimentary Pharmacology & Therapeutics 2009-01-15

This study was undertaken as an attempt to assess radiographic temporomandibular joint (TMJ) changes in relation rheumatoid factor (RF), anticitrullinated protein (ACCP) antibodies and disease activity score 28 (DAS28) arthritis (RA) patients find the best predictor of affection TMJ with ultimate goal maintaining function preventing damage.20 Rheumatoid Arthritis well 20 volunteers were included this study. RA group assessed for RF, ACCP, DAS28. Both groups by CBCT dimensions osteoarthritic...

10.1259/dmfr.20190186 article EN Dentomaxillofacial Radiology 2019-09-18

To assess the nasopharyngeal airway volume, cross-sectional area, and depth in previously repaired nonsyndromic unilateral cleft lip palate versus bilateral patients compared with noncleft controls using cone-beam computed tomography ultimate goal of finding whether are more liable to obstruction.A retrospective analysis comparing palate, control subjects. Significance at P ≤ .05.Cleft Care Center outpatient clinic that both affiliated our faculty.Cone-beam data were selected 58 individuals...

10.1597/15-134 article EN The Cleft Palate-Craniofacial Journal 2016-01-11

Abstract Objectives To predict temporomandibular joint (TMJ) anterior disc displacement with reduction (ADDWR) from condylar shape, position, and dimensions obtained CBCT images. Methods This cross-sectional study was performed on 17 patients suffering disorders diagnosed by history taking according to the chart of American Association orthodontists, clinical examination Helkimo index MRI. MRI examinations were within one-week interval. Disc used as gold standard. TMJs posterior or without...

10.1007/s11282-022-00617-y article EN cc-by Oral Radiology 2022-05-13

The aim of this study was to evaluate the role three diagnostic sonographic methods, greyscale sonography (GSS), colour Doppler (CDS) and spectral (SPD), in differentiating between benign malignant salivary gland (SG) tumours.44 patients with SG masses were examined using GSS, CDS SPD. morphological features each tumour evaluated distribution number detected blood vessels assessed CDS, peak systolic velocity (PSV), resistive index (RI) pulsatility (PI) measured on All cases underwent...

10.1259/dmfr/18407834 article EN Dentomaxillofacial Radiology 2011-11-07

Objectives: To compare cone beam computed tomography (CBCT) and panoramic radiography in the detection of low bone mineral density patients. Methods: This study was done on 46 patients obtained from Department Oral Maxillofacial Radiology, Faculty Dentistry, Ain Shams University. Patients were screened by DEXA, radiography, CBCT scans. Radiographic quantitative qualitative assessment for both right left sides performed. analysis compared with DEXA scan results. Results: The mental mandibular...

10.21608/edj.2024.264607.2896 article EN Egyptian Dental Journal /Egyptian Dental Journal 2024-02-11

Objective: The objective of this study was to assess the volume, area, and dimensions oropharyngeal airway (OPA) in a previously repaired nonsyndromic unilateral cleft lip palate (UCLP) versus bilateral (BCLP) patients when compared with noncleft controls using cone beam computed tomography (CBCT). Design: This retrospective case-control study. Setting: Cleft Care Center outpatient clinic that are affiliated our faculty were settings for Participants: A total 58 CBCT scans selected...

10.1597/15-322 article EN The Cleft Palate-Craniofacial Journal 2016-07-18

ABSTRACT Background and Aims Irritable bowel syndrome (IBS), inflammatory disease (IBD), celiac (CeD) present with similar gastrointestinal (GI) symptoms. DNA methylation‐based biomarkers have not been investigated as diagnostic to classify these disorders. We aimed study methylation profiles of IBS, IBD, CeD, healthy controls (HC), develop machine learning‐based classifiers, identify associated gene ontology (GO) terms. Methods Genome‐wide peripheral blood mononuclear cells from 315...

10.1111/nmo.14980 article EN cc-by-nc-nd Neurogastroenterology & Motility 2024-12-13

A 72-year-old Caucasian man presented with subtle and insidious symptoms of pain in the left iliac fossa vomiting. The first clinical impression was diverticulitis but he did not improve conservative management. An initial contrast tomography (CT) scan demonstrated no diagnostic features. Four days later, a repeat CT intramural gas ascending colon intrahepatic portal venous radicles. There thrombus superior mesenteric artery infarction caecum colon. urgent right hemicolectomy carried out....

10.1136/bcr.07.2010.3206 article EN BMJ Case Reports 2011-05-12

Multi-detector computed tomography (MDCT) and cone beam (CBCT) were compared regarding their ability to detect vertical root fractures. Sixty four extracted posterior teeth included in this study. Using a diamond disc, thirty six cut vertically simulate VRF. Twenty eight used as control. Fractured non-fractured randomly positioned 4 skulls mandibles. Scanning was performed first on 16 slice Siemens MDCT, then by i-CAT Next Generation CBCT. Two observers assessed the multiplanar images for...

10.1016/j.ejrnm.2017.07.003 article EN cc-by-nc-nd The Egyptian Journal of Radiology and Nuclear Medicine 2018-01-17
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