ESE & AAE Member · Straumann · Neodent · Nobel Biocare · Since 1985
Boutique restorative care in Nişantaşı — by a named endodontist, since 1985.
Written warranty. Structured WhatsApp follow-up at 24h, 72h, 1 week, 1 month, 3 months, 6 months, 12 months. Annual video review with Dr. Öztürk. And a contractual “we fly you back” clause for warranty-covered complications — return flight, hotel, corrective treatment, all on us. Partner dentist network in UK / DE / AT / CH / NL / FR in pilot.
| Implant fixtures | 10-year warranty |
| Crowns & veneers | 5-year warranty |
| Endodontic re-treatment | 2-year warranty |
| Complication return flight | GC covers |
| UK follow-up records pack | Always included |
Not a tagline. A way of working.
Every case is reviewed personally by Dr. Öztürk before treatment planning begins. The person you meet is the person who treats you — from first consultation to final follow-up.
Two hundred to three hundred patients a year. One to two cases a day. Time that volume-driven clinics cannot offer — and the reason our follow-up continues for years, not weeks.
Straumann · Neodent · Nobel Biocare implants. Brand and lot number documented in writing, in your file. No generic “premium” — only materials we can show you by name.
Straumann and Nobel fixtures. Planned with CBCT, placed by a doctor who has done thousands.
Full-arch rehabilitation for patients who were told “nothing can be done”. Often, something can.
Complex reconstructions staged over two visits. Conservative-first — only what your anatomy needs.
A photographic and digital preview before a single tooth is touched. No surprises. No reshaping without cause.
Minimally invasive porcelain. We preserve healthy tooth structure wherever possible — the opposite of the “Turkey Teeth” shortcut.
Endodontics, periodontics, orthodontics, paediatric — a full-fledged clinic, not a cosmetic factory.
We see three kinds of enquiries from the UK. Each gets its own starting point.
What your NHS wait looks like in months. What a private UK quote looks like. And what the same Straumann implant costs here.
For UK patients with failed veneers, persistent pain, or aggressive crowns. We don’t judge. We assess, and we fix what we can.
A conservative cosmetic plan — photographed, digitised, previewed in wax-up — before any porcelain is bonded.
Five minutes. Photos or an X-ray if you have one. No call required yet.
Within 48 hours, a costed treatment plan signed by Dr. Öztürk — options, not a single path.
Usually five to seven working days. Hotel, transfer and translator if needed, booked with the clinic.
Years of follow-up, documented. If anything needs attention, your next contact is the same doctor.
Written and signed in your language. Brand and lot number of every component documented at surgery. Annual follow-up is your side of the agreement; the rest is ours.
Endodontist with specialist training · DDS, MSc · Marmara University Graduate · Former Assistant Professor & Head of Endodontics, Yeni Yüzyıl University 2016–2019 · ESE & AAE Member
Dr. Öztürk joined the clinic in 2014, after studying under Prof. Özbayrak at Marmara University and completing her specialist training in endodontics. In 2019 she took over clinical leadership and launched the international patient programme. She will perform your treatment from the first video consultation to the final follow-up. She is a member of the European Society of Endodontology (ESE) and the American Association of Endodontists (AAE). Her credentials are verifiable.
“I have no way of verifying the dentist’s qualifications. Back home I can check my dentist on the GDC register.”
r/AskDentists
A boutique practice does not hand you off between shifts. You meet two doctors, you know their names, and you know what each of them does.
Endodontist with specialist training · ESE & AAE Member · DDS, MSc
Leads every case. Performs endodontics and implants personally.
Implantology · Oral Surgery · Aesthetic · Periodontics
Marmara graduate, in continuous practice since 1995. Joined GC Clinic in 2024.
Forty years, on its own, does not mean much. Forty years of the same standard — handed down in person, from academic to protégée — is different.
Prof. Dr. Semih Özbayrak and Dr. Zümrüt Özbayrak open the clinic in Nişantaşı — a European-standard academic practice before dental tourism existed as a category.
Dr. Cansu Öztürk — who studied under Prof. Özbayrak at Marmara University and completed her endodontic specialism — joins the clinic.
Dr. Öztürk takes over clinical leadership and launches the international patient programme. Standard unchanged — technology renewed.
Two clinicians, four surgeries, one to two cases a day, 2,500+ international patients treated. Two generations. One standard.
GC Clinic was founded in 1985 in Nişantaşı, Istanbul — long before international dental tourism existed as a category. Its founder, Prof. Dr. Semih Özbayrak, completed his doctoral training at Berlin’s Freie Universität in Oral Medicine before returning to Turkey to chair the Department of Oral Diagnosis and Radiology at Marmara University from 1986 to 2013. His wife, Dr. Zümrüt Özbayrak, trained and practised in paediatric dentistry in Germany and co-founded the clinic. Together, they built a European-standard academic practice in Istanbul’s most established neighbourhood.
Prof. Dr. Semih Özbayrak · Berlin Freie Universität (Oral Medicine, PhD) · Marmara University Oral Diagnosis & Radiology, Department Chair 1986–2013 · Associate Professor 1988 · Professor 1995
GC Clinic sees one to two cases a day. Dr. Öztürk personally designs and performs every treatment plan — from the first consultation to the final follow-up. All implant cases use Straumann (Switzerland) or Nobel Biocare (Sweden/USA), with lot numbers documented in writing. Every treatment comes with a written guarantee: 5 years on crowns and veneers, 10 years on implant fixtures. If a complication arises, we bring you back to Istanbul — flights, treatment and accommodation are on us.
Congenital missing teeth restored with IPS e.max crowns and Straumann TLX implants.
Aging bridges renewed and black triangles closed with minimally invasive treatment.
Worn teeth and missing molars restored with Ivoclar layered zirconia restorations.
J.M. · Surrey All-on-6, upper arch · Treated 2024
What the media gets right, what it gets wrong, and how to tell the difference before you travel. Written from inside the profession.
What the documentary reported accurately, what it oversimplified, and why the “crowns vs veneers” category error matters.
A factual comparison of NHS wait times, private UK pricing, and what a specialist trip to Istanbul actually costs. Just the maths.
Pick a treatment. See the live comparison against UK private pricing. Your real costed plan — signed by Dr. Öztürk — comes back within 4 hours.
Five-minute wizard. Costed plan within 48 hours.
Upload an existing plan. We will read it honestly.
Fifteen minutes with the doctor, no commitment.
