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  • Home
  • About
    • Meet The Doctors
    • Meet the Staff
    • Our Practice
  • Our Services
    • Cosmetic
      • Bonding and White Fillings
      • Inlays and Onlays
      • Lumineers
      • Snap on Smile
      • Veneers
      • Whitening and Bleaching
    • Dental Implants
    • Pediatric
      • Mouth Guards
      • Sealants
    • Periodontics
      • Arestin
      • Frenectomy
      • Gingival / Gum Grafting
      • Periodontal (Gum) Disease
      • Scaling and Root Planing
    • Restorative
      • Bridges
      • Dental Crowns
      • Dentures
    • Oral Surgery
      • Bone Grafting
      • Extractions
      • Wisdom Teeth
    • Orthodontics
      • Clear Braces
      • Invisalign
      • Night Guards
      • TMJ
    • Root Canal
  • Patient Resources
    • New Patient Forms
    • Dental Surgical Instructions
    • FAQ
    • Post-Op Instructions
  • Gallery
  • Contact Us
714.532.1139
  • Home
  • About
    • Meet The Doctors
    • Meet the Staff
    • Our Practice
  • Our Services
    • Cosmetic
      • Bonding and White Fillings
      • Inlays and Onlays
      • Lumineers
      • Snap on Smile
      • Veneers
      • Whitening and Bleaching
    • Dental Implants
    • Pediatric
      • Mouth Guards
      • Sealants
    • Periodontics
      • Arestin
      • Frenectomy
      • Gingival / Gum Grafting
      • Periodontal (Gum) Disease
      • Scaling and Root Planing
    • Restorative
      • Bridges
      • Dental Crowns
      • Dentures
    • Oral Surgery
      • Bone Grafting
      • Extractions
      • Wisdom Teeth
    • Orthodontics
      • Clear Braces
      • Invisalign
      • Night Guards
      • TMJ
    • Root Canal
  • Patient Resources
    • New Patient Forms
    • Dental Surgical Instructions
    • FAQ
    • Post-Op Instructions
  • Gallery
  • Contact Us
logologologo
  • Home
  • About
    • Meet The Doctors
    • Meet the Staff
    • Our Practice
  • Our Services
    • Cosmetic
      • Bonding and White Fillings
      • Inlays and Onlays
      • Lumineers
      • Snap on Smile
      • Veneers
      • Whitening and Bleaching
    • Dental Implants
    • Pediatric
      • Mouth Guards
      • Sealants
    • Periodontics
      • Arestin
      • Frenectomy
      • Gingival / Gum Grafting
      • Periodontal (Gum) Disease
      • Scaling and Root Planing
    • Restorative
      • Bridges
      • Dental Crowns
      • Dentures
    • Oral Surgery
      • Bone Grafting
      • Extractions
      • Wisdom Teeth
    • Orthodontics
      • Clear Braces
      • Invisalign
      • Night Guards
      • TMJ
    • Root Canal
  • Patient Resources
    • New Patient Forms
    • Dental Surgical Instructions
    • FAQ
    • Post-Op Instructions
  • Gallery
  • Contact Us
714.532.1139
  • Home
  • About
    • Meet The Doctors
    • Meet the Staff
    • Our Practice
  • Our Services
    • Cosmetic
      • Bonding and White Fillings
      • Inlays and Onlays
      • Lumineers
      • Snap on Smile
      • Veneers
      • Whitening and Bleaching
    • Dental Implants
    • Pediatric
      • Mouth Guards
      • Sealants
    • Periodontics
      • Arestin
      • Frenectomy
      • Gingival / Gum Grafting
      • Periodontal (Gum) Disease
      • Scaling and Root Planing
    • Restorative
      • Bridges
      • Dental Crowns
      • Dentures
    • Oral Surgery
      • Bone Grafting
      • Extractions
      • Wisdom Teeth
    • Orthodontics
      • Clear Braces
      • Invisalign
      • Night Guards
      • TMJ
    • Root Canal
  • Patient Resources
    • New Patient Forms
    • Dental Surgical Instructions
    • FAQ
    • Post-Op Instructions
  • Gallery
  • Contact Us

Meet the Doctors

About Samira Seini, DDS

Dr. Seini is a native of Southern California. She earned her undergraduate degree from the University of California, San Francisco, one of the highest ranked schools in the country, before graduating cum laude with honors from Cal State University Fullerton. Her passion for helping others drew her to dentistry, where she received advanced training in dentures, dental implants, and computer-aided crown and bridge work.

Dr. Seini strives to treat her patients with the highest level of care and comfort. She is especially good at working with children and adults with dental phobia. An expert in comprehensive dental care, she has continued to expand her knowledge after dental school, developing expertise in the area of cosmetic dentistry and preventative dental care.

Dr. Seini is an active member of the American Dental Association, Orange County Dental Society, and Orange Chamber of Commerce. In her free time, she enjoys running, cycling, yoga, and hiking, and participates in community events. She loves to cook and spend time with her family and friends.

Dr. Samira Seini, Dentist, Orange, California
Nadia Hassan, DDS, MD - Orange Cosmetic Dentistry - Dr. Seini - California

Nadia Hassan, DDS, MD

Oral Maxillofacial Surgeon

Dr. Nadia Hassan was born in Southern California. She graduated from the University of Southern California at the top of her class and earned her medical degree from the UCLA School of Dentistry, where she received several awards for clinical excellence and patient care.

While studying at UCLA, she developed an interest in dental surgery and decided to enroll in the UCLA Oral & Maxillofacial Surgery Program, which included training in general surgery, temporomandibular joint disorders, maxillofacial trauma, allogeneic bone grafting, dental reconstruction with dental implants, and benign tumor resection and reconstruction.

Patient care is Dr. Hassan’s top priority, and her combination of biological education, dental training, and surgical skills ensure you receive the best possible care available.

When not working, Dr. Hassan enjoys travelling, skiing, reading, and hanging out with family and friends.

Justine Hoda Hai, DDS, MS – Periodontist & Implant Specialist

About Dr. Hai

Dr. Hai is a board-eligible periodontist who received her Doctorate of Dental Surgery with Honors at the State University of New York at Buffalo. She then went on to complete an Advanced Education in General Dentistry Residency at the UCLA Venice Dental Center and a Periodontics Specialty at the UCSF School of Dentistry where she also received a Master’s in Oral and Craniofacial Sciences.

Dr. Hai served as the program director of the Advanced Education in General Dentistry Residency Program at UCLA Venice Dental Center and and now continues to enjoy teaching residents part-time. She has received numerous awards including the California Society of Periodontists Outstanding Graduate Research Award and the Global Oral Health Research Fellowship for her research on antibiotics in periodontics, which is published in the Journal of Periodontology.

In her free time, Dr. Hai enjoys spending time with her family and friends, taking care of her cat Mr. Naz, playing board games like Setters of Catan, enjoying nature and being involved in community service. ​

Email Us For an Appointment

Email us and a member of our experienced and friendly staff will get back to you immediately regarding an appointment.

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    Call Us Directly

    714.532.1139


    Dr. Samira Seini offers patients comprehensive dental services, including general, pediatric, and cosmetic dentistry, as well as same-day treatments and emergency dental care. Appointments are available 7 days a week, including evenings.

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    Services

    • Cosmetic Dentistry
    • Dental Implants
    • Oral Surgery
    • Orthodontics
    • Periodontics
    • Restorative Dentistry
    • Root Canal
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    Office Location

    1538 E Collins Ave
    Orange , California
    Phone: 714.532.1139
    Mon – Fri: 7:00 AM – 9:00 PM
    Sat – Sun: 7:00 AM – 9:00 PM
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