Wadhah Abdulnasser Alhajj

ORCID: 0000-0003-2831-8646
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About
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Research Areas
  • Oral microbiology and periodontitis research
  • Oral and gingival health research
  • Periodontal Regeneration and Treatments
  • Smoking Behavior and Cessation
  • Oral Health Pathology and Treatment
  • Dental Health and Care Utilization
  • Pediatric health and respiratory diseases
  • Aging and Gerontology Research
  • School Health and Nursing Education
  • Ophthalmology and Visual Health Research
  • HIV/AIDS oral health manifestations
  • Dental Implant Techniques and Outcomes
  • Orthodontics and Dentofacial Orthopedics
  • dental development and anomalies
  • Skin Protection and Aging
  • melanin and skin pigmentation
  • Health and Well-being Studies
  • Connexins and lens biology
  • Scientific and Engineering Research Topics
  • Salivary Gland Disorders and Functions
  • Oral and Maxillofacial Pathology
  • Endodontics and Root Canal Treatments

Thamar University
2019-2025

Sana'a University
2022-2024

Civilization University
2022-2024

University of Science and Technology
2018-2020

University of Science and Technology, Sanaa
2019

Abstract Objectives E-cigarette use has become popular, particularly among the youth. Its is associated with harmful general and oral health consequences. This survey aimed to assess self-reported hygiene practices, events, changes in physiological functions (including physical status, smell, taste, breathing, appetite, etc.) due dental students. Methods online, multicounty involved undergraduate students from 20 schools across 11 different countries. The questionnaire included demographic...

10.1186/s12903-022-02053-0 article EN cc-by BMC Oral Health 2022-01-26

This study aimed to demonstrate subgingival microbial changes associated with development, prevention, and treatment of experimental gingivitis using chlorhexidine (CHX) N-acetylcysteine (NAC) mouthwashes. randomized clinical trial comprised two parts: a 3-week prevention sub-study in which 30 subjects were equally assigned either mouthwash or placebo while developing gingivitis; followed by 2-week 20 mouthwash. Subgingival samples collected at the beginning end each for profiling 16S rRNA...

10.1080/20002297.2019.1608141 article EN cc-by Journal of Oral Microbiology 2019-01-01

The literature is scarce and inconsistent regarding the prevalence, types, risk factors of oral pigmented lesions (OPL). present study investigated distribution OPL, as well their associated among Yemeni dental patients. This cross-sectional was conducted 1920 patients attending clinics, Sanaa University, Yemen over a period 10 months (from March to December 2021). A comprehensive clinical examination by well-trained calibrated examiner, histopathological analysis carried out in suspicious...

10.1186/s12903-025-05760-6 article EN cc-by-nc-nd BMC Oral Health 2025-03-15

Abstract Background Careful consideration and assessment of the type phenotype has gained a fundamental importance in treatment planning for any patient. We evaluated prevalence gingival phenotypes sample Yemeni population to explore its relationships gender, age other risk factors. Methods This cross-sectional study was performed among 456 patients. All maxillary anterior teeth were included all parameters 1st molars thickness measurements. patients this systemically healthy presented no...

10.1186/s12903-020-01073-y article EN cc-by BMC Oral Health 2020-03-25

E-cigarette use is a trend worldwide nowadays with mounting evidence on associated morbidities and mortality. Dentists can modify the smoking behaviors of their patients. This study aimed to explore knowledge, beliefs, attitude, practice among dental students.This multinational, cross-sectional, questionnaire-based recruited undergraduate students from 20 schools in 11 countries. The outcome variable was current status (non-smoker, user only, tobacco cigarette smoker dual user). explanatory...

10.1371/journal.pone.0276191 article EN cc-by PLoS ONE 2022-10-27

The necessitate for frequent application of Chlorhexidine (CHX), and other side effects has encouraged the search option that are more suitable patients as nanosilver mouthwash (NS). So aim this study was to determine a made with on dental plaque microbial counts compare it commercially available Chlorhexidine. Sixty-two plaque-induced gingivitis were allocated into two groups asked rinse 10 ml NS CHX, immediately after brushing, 1 min, in morning evening. Sub gingival taken at baseline,...

10.22270/ujpr.v4i5.309 article EN Universal Journal of Pharmaceutical Research 2019-11-06

Aim: The present study aimed to assess the clinical efficacy of nanosilver (NS) mouthwash and compared with chlorhexidine (CHX) for treatment plaque-induced gingivitis. Materials methods: Sixty-two (28 males 34 females) gingivitis patients were allocated into two groups asked rinse 10ml NS or CHX, immediately after brushing, 1 min, in morning evening. plaque, gingival, papilla bleeding indices taken at baseline, weeks, finally four weeks each patient. statistical analysis between within...

10.17126/joralres.2018.064 article EN cc-by Journal Of Oral Research 2018-09-22

Objective: Periodontal diseases are very common dental disease. Many risk factors may play significant role in the periodontal disease initiation and progression. This study was performed to evaluate effects of khat chewing, smoking, age gender on status among Yemeni adults. Material Methods: cross-sectional 1231 patients attending outpatient polyclinics University Science Technology during academic years 2017/2018.. All completed sheets were collected throughout year by supervisors. Data...

10.14295/bds.2020.v23i1.1861 article EN cc-by Brazilian Dental Science 2020-01-31

Objective: The present study aimed to explore the prevalence of melanin pigmentation in a sample Yemeni population and its relation some possible risk factors. Material Methods: This crosssectional was performed on 440 patients attending private clinic. Printed questionnaires were introduced clinical examination for each patient. questionnaire included questions regarding demographic data, common habits such as smoking, khat chewing consuming hot drinks. Melanin assessed presence, most...

10.14295/bds.2020.v23i2.1906 article EN cc-by Brazilian Dental Science 2020-03-31
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