Helena Mahmoud Khidr

Dr. Helena Mahmoud Khidr Specialist Endodontist


Years of Experience : 3

Nationality : Palestine

Languages Known : Arabic, English, French

+97180055

Biography

Dr. Helena Khidr is a Specialist Endodontist with a strong academic foundation and advanced clinical expertise in the field of Endodontics. She earned her Bachelor of Dental Surgery (BDS) from the University of Sharjah, UAE, followed by a Professional Diploma in Endodontics from the British Academy of Implant and Restorative Dentistry in Dubai. In 2025, she completed her Master of Science in Endodontics at Mohammed Bin Rashid University of Medicine and Health Sciences (MBRU), Dubai. During her specialist residency training, Dr. Helena acquired extensive clinical experience at Dubai Dental Hospital and several governmental healthcare facilities across Dubai, managing a diverse spectrum of complex endodontic cases and refining her expertise in contemporary evidence-based endodontic care. Committed to continuous professional development and clinical excellence, Dr. Helena has actively participated in leading international scientific forums, including the ESE Congress in Paris, where she presented her research investigating the impact of repetitive use and autoclave sterilisation on the cyclic fatigue resistance of heat-treated nickel-titanium (NiTi) endodontic instruments. In addition to her academic and research contributions, Dr. Helena has completed numerous advanced hands-on training programmes and workshops in endodontics, enabling her to remain at the forefront of emerging technologies, techniques, and best practices in the specialty. Her professional interests encompass complex root canal treatment, endodontic retreatment, and the integration of evidence-based innovations to enhance patient outcomes and clinical success. 

Awards & Achievements

  • ESE Biennial Congress – Research Poster Presentation, Paris, September, 2025
  • 14th IFEA World Endodontic Congress – Glasgow, UK, 2024
  • 21st ESE Biennial Congress – Helsinki, Finland, 2023
  • The 3rd UOS International Dental Symposium – Research Poster Presentation, UOS, Sharjah, May, 2025
  • AEEDC Dubai – Research Poster Presentation, February, 2025
  • IADR-UAE Section Hatton Award competition, January, 2025

Research & Publications

  • Mechanicalandthermal impact of sequential use–sterilization cycles on ProTaper Ultimate files: An in vitro assessment with practical implications. Journal of Endodontics. 2026.

Expertise

  • Non-surgical root canal treatment
  • Non-surgical root canal re-treatment
  • Surgical root canal treatment
  • Vital pulp therapy including direct pulp capping, indirect pulp capping, partial pulpotomy and complete pulpotomy
  • Regenerative endodontics
  • Apexification procedures
  • Dealing with Iatrogenic errors, such as, perforation repair

Membership

  • Emirati Board for Endodontics Part 1 and Part 2 from NIHS

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