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ul. "Boris Arsov" 1, Sofia, Bulgaria
O.SEM Dental is one of Bulgaria's largest and most modern dental networks, operating more than six clinics across Sofia, Stara Zagora, Burgas, and Blagoevgrad. The Sofia Vitosha branch, located at ul. Boris Arsov 1, is the network's second Sofia location — a fully equipped four-surgery clinic in one of the capital's most dynamically developing neighbourhoods. Open Monday through Friday from 08:00 to 20:00 and Saturday from 09:00 to 15:00, it operates with the extended hours and the high staffing levels characteristic of the entire O.SEM group.
The Vitosha clinic is staffed by a team of eight dentists covering all major specialities, all of whom speak English:
Dr. Konstantin Petkov — Specialist oral surgeon with expertise in navigated (computer-guided) surgery, navigated implantology, and 3D technologies in oral and maxillofacial surgery.
Dr. Valentin Kolev — Orthodontic specialist focused on full orthodontic treatment planning and execution.
Dr. Viktoria Yakimova — Specialist periodontologist covering prevention and treatment of periodontal diseases, periodontal surgery, and oral mucosal conditions (speaks English and Dutch).
Dr. Plamen Yordanov — Oral surgery and implantology (speaks English and German).
Dr. Atanas Kolev — Oral surgery and implantology (speaks English, German, and Russian).
Dr. Vasil Hristov — Implantologist (speaks English, Russian, and Arabic).
Dr. Svetoslava Hristova — Caries treatment and aesthetic restorations.
Dr. Yordan Karapetrov — Aesthetic dentistry and prosthetics.
O.SEM Dental Vitosha covers the entire spectrum of dental care, from routine prophylaxis to complex full-arch rehabilitation.
Smile Makeovers and Aesthetics: The clinic offers complete aesthetic packages including Total Smile Makeover programmes and All-on-X full-arch implant restorations. Individual aesthetic services include ceramic crowns, bridges, veneers, composite bonding, and professional whitening.
Implantology: Implant placement is performed using navigated surgical protocols with 3D CBCT imaging — one of the most precise approaches available in modern implantology. The team covers everything from single implants to full-arch reconstruction including All-on-4 and All-on-6 solutions.
Orthodontics: The clinic is an authorised Invisalign provider and also offers fixed appliance (brace) treatment for both adults and children.
Periodontics: A dedicated periodontology specialist manages gum disease at all stages, from non-surgical scaling and root planing to complex periodontal surgery and regenerative procedures.
Oral and Maxillofacial Surgery: Extractions, wisdom tooth removal, cyst surgery, and guided implant surgery are all available in-house, performed by multiple oral surgery specialists.
General Anaesthesia and Sedation: For patients with significant dental anxiety, O.SEM Dental offers treatment under general anaesthesia and IV sedation — a service rarely available in smaller private practices.
Paediatric Dentistry: Children are catered for with age-appropriate treatment approaches and a dedicated children's area in the waiting space. NHIF-covered paediatric treatments are available.
NHIF (Health Insurance) Coverage: The clinic works with Bulgaria's National Health Insurance Fund, making a range of treatments accessible at reduced cost for insured patients.
The Vitosha branch features four fully equipped surgeries with the latest diagnostic and treatment technology, including panoramic X-ray and 3D CBCT imaging. The clinic provides free WiFi, coffee, water, parking, and full wheelchair accessibility. A separate children's play corner ensures families with young children feel welcomed.
Bulgarian dental prices are typically 50–70% lower than in Western Europe, and O.SEM's network scale means consistently high standards, wide appointment availability, and a team that is accustomed to serving international patients. The multilingual team at the Vitosha branch (English, German, Dutch, Russian, Arabic) removes any language barrier. For patients planning implant treatment, full-arch rehabilitation, Invisalign, or complex cosmetic work, O.SEM Dental's navigated surgical capabilities, All-on-X expertise, and general anaesthesia option make it one of the most capable dental destinations in Bulgaria.
4.4
★ 24 reviews
Neli Ivanova
April 2026 · ★ 5
Very thorough and well-informed examination. The dentist was very kind and detailed. The atmosphere was welcoming, modern and clean. I recommend!
Clinic response ():
Response from the owner 3 days agoHello, Nelly! We are glad that you were satisfied with your visit to us. Best regards, The O.SEM Dental Centers Team Translated by Google ・ See original (Bulgarian)
Мануела Панова
April 2026 · ★ 2
We used to visit this clinic for children's dental treatment, but unfortunately we will no longer use it. The reason is the sharp increase in the price for co-payment for a filling of a milk tooth with the National Health Insurance Fund - from 45 leva last year to 45 euros now. I understand that quality materials such as photopolymer cost more, but such an increase for such a short period seems excessive and unjustified to us. In addition, during the first (and last) visit for this year, the health book noted a "comprehensive examination" along with the filling, but in reality only a filling was performed - without taking a dental status or a real comprehensive examination. This raises questions about the correctness of reporting to the National Health Insurance Fund. We would appreciate more transparency regarding pricing and a clear explanation of what exactly the National Health Insurance Fund covers and what is co-paid for. We do not dispute professionalism, but the pricing policy and accountability no longer meet our expectations.
Светослава Тенева
April 2026 · ★ 1
Extremely unprofessional attitude, they canceled my appointment because through Supredoc if you book a consultation, and I needed a manipulation... I don't recommend it.
Toni Ned
April 2026 · ★ 1
The parking lot is very inconvenient to maneuver, there are two entrances and if the GPS directs you to the narrower one, it is very unpleasant. There are no designated spaces for customers. I got into two scandals while parking from various neighbors of the MC. But there was a barrier at the other entrance, but if I blocked another car... it is not serious. It is good when a person opens a place with some services, to invest in parking spaces for their customers. As well as sharing details about the parking lot by calling a customer to confirm the time. No one is obliged to put up with your sour neighbors. I also paid an extra 20 euros for a check under the Civil Code, which I was not informed about in advance. It is said that the center works with the Unika Insurance Company, which means that I pay what I need, I am issued an invoice and then the corresponding amount is refunded to me. But all funds and all MCs do this... why are you so excited about working with Uniq - I don't know. For me, the center working with such and such a fund means that the center and the fund communicate what is covered and how, as they do in other places. Yes, everyone is very polite, which is a necessary but not sufficient condition. My experience was negative, I would not return and I do not recommend.
Kocb Nedev
April 2026 · ★ 5
Unique clinic, unique Dr. Mladenova! An exceptional professional who, with careful attitude and precision, breaks the dogma of fear of dentists! I would like to express my gratitude to the team of the clinic and in particular Dr. Mladenova for the time and care devoted to my dental health. I also recommended the clinic to my wife, who also underwent treatment and complex manipulations with a microscope!
Clinic response ():
Response from the owner 3 months agoWe sincerely thank you for your trust and kind words! We are glad that Dr. Mladenova and our team made you feel calm and confident during your treatment. Translated by Google ・ See original (Bulgarian)
teolina baleva
April 2026 · ★ 5
I am very pleased with Dr. Mladenova! Thank you for the professional care and individual approach! I recommend Dr. Mladenova with both hands!
Clinic response ():
Response from the owner 3 months agoThank you for your trust and high rating! We will convey your warm words to Dr. Mladenova. Your recommendation is a true recognition for us. Translated by Google ・ See original (Bulgarian)
Моника Иванова
April 2026 · ★ 5
Kind attitude, providing detailed information. Very good first impression. Blagoevgrad needs specialists ready to offer the best for their patients.
Clinic response ():
Response from the owner 3 months agoThank you for the wonderful review! We are glad that you were satisfied with the attitude and service of our team. Translated by Google ・ See original (Bulgarian)
Alivanova Ivanova
April 2026 · ★ 5
Exceptional professionals, using the latest technologies and machines. I highly recommend that you trust the O.SEM clinic!
Clinic response ():
Response from the owner 3 months agoThank you for the wonderful review! We are glad that you are satisfied with the professionalism of our team. Your trust is important to us. Translated by Google ・ See original (Bulgarian)
Petya Milcheva
April 2026 · ★ 5
Our son's examination went flawlessly. Dr. M. Ivanova was extremely attentive, kind and answered every one of our questions. Thank you for your attitude :)
Mihaela Karieva
April 2026 · ★ 5
We are very pleased with the examination and Dr. Ivanova. She put the child at ease and explained everything to us in detail. We will become regular customers!
Clinic response ():
Response from the owner 3 months agoThank you for your trust and kind words! We are glad that Dr. Ivanova was able to make your child's examination calm and pleasant. We look forward to seeing you again with a smile! Translated by Google ・ See original (Bulgarian)
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★ 4.4 (24 reviews)
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