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Great Smiles - Dr Katerina Douma

Great Smiles - Dr Katerina Douma

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Perikleous 6 and Diomidous, Marousi, 15122Greece

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Opening hours

Monday17:00 - 21:00
Tuesday12:30 - 18:00
Wednesday17:00 - 21:00
Thursday12:30 - 18:00
Friday17:00 - 21:00
Enquire for a fast quote ★ Good ServiceScore™ 6.9 from 16 votes ★ 1 verified patient review. Visit our Dentist - Perikleous 6 and Diomidous, Marousi, 15122, Greece.

Popular Treatments

Dentist Consultation
Orthodontic Retainer
Adult Braces
Child Braces
Oral Hygiene
Orthodontist Consultation
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About Great Smiles - Dr Katerina Douma

Our clinic provides excellence in Orthodontics through the most advanced treatment modalities. From the simple but of great importance first phase treatments in children, to the most complex orthognathic surgical cases in adults, we are committed to individual attention and care.

Dr Katerina Douma-Michelakis is a US orthodontic specialist, holding a PhD in Orthodontics, with professional presentations in the USA, Europe and Canada. She has been a clinical instructor in the post-graduate Orthodontic program of the University of Athens, for over ten years.

Continuous scientific update ensures excellent results. Our patients can choose from a wide variety of appliances, including aesthetic and lingual braces, Invisalign, and TADs to decrease treatment time. Our goal is to provide each of our patients with the ultimate treatment plan and the best means to accomplish it.

Our office is open, modern and friendly and meets the highest treatment and sterilization standards. Our staff stands by every patient with care and respect.

Please visit our web address for a comprehensive view of our clinic. 

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Patient reviews

5.0 from 1 verified review
Katrina, Indonesia
( Review verified by phone and email)

Better results in 2 months then 2 years

5 50 Braces

Wonderful clinic. The kindest and most patient staff. All even stayed later for an emergency. We came to Dr Douma to correct very bad braces treatment in another country during the pandemic. She did the impossible with both children. Better results in 2 months then 2 years.

Treated by: Dr Katerina Douma-Michelakis


  • WFO - World Federation of Orthodontists (International) 
  • AAO - American Association of Orthodontists (US) 


Public transport accessPatient bathroomWireless access

Clinic services

Emergency service

Languages spoken






Adult Braces


Child Braces


Orthodontic Retainer


Dentist Consultation


Oral Hygiene


Orthodontist Consultation

Great Smiles - Dr Katerina Douma - Perikleous 6 and Diomidous, Marousi, 15122,

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Private Patients WelcomeDental Plans Accepted
Dr Katerina Douma-Michelakis - Orthodontist at Great Smiles - Dr Katerina Douma

Dr Katerina Douma-Michelakis

Job Title:
She was born in Athens and finished her secondary education with continued excellence. She was then admitted into the University of Athens, School of Dentistry and graduated with honors receiving the degree of Doctor in Dental Surgery. Throughout her studies she received distinction Foundation Scholarships and Scholarships from the University of Athens. She holds foreign language certificates in English, German and French. Early on during her dental studies she developed a keen interest in the field of Orthodontics, and soon after graduation she was accepted in the highly competitive post graduate program in Orthodontics of the University of Louisville, USA. She completed her studies with grants for academic excellence from the State Scholarship Foundation and the legacy P Tzinopoulou. In 2004 she received her PhD in Orthodontics from the University of Athens with unanimous "Excellent". She has scientific publications and presentations in Greece, Europe, USA and Canada. She is a member of the American Association of Orthodontists, the World Federation of Orthodontists, the Greek Dental Association, and the Greek Association for Orthodontic Study and Research. She has served as former vice president in Maroussi Municipality Cultural Centre, and is currently a board member in the section of Prevention and Solidarity of Marousi Municipality.
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Perikleous 6 and Diomidous, Marousi, 15122Greece