Our Practice
Established in 1990
High Street Dental Care is a well-established NHS and private dental practice in Mosborough, Sheffield. We are a leading expert in dental implants and offer an unbeatable service from consultation to aftercare.
Our team of experienced dental professionals are dedicated to providing the highest quality care using the latest technology, including our state-of-the-art CBCT 3D scanner — one of the few in the Sheffield area.
We pride ourselves on creating a welcoming, comfortable environment where patients of all ages can receive the dental care they deserve, from routine check-ups to complex implant procedures.
Our Team
Meet Our Dental Experts
Our highly qualified team brings together decades of experience across all areas of dentistry.

Sotirios Giannetopoulos
Principal Dentist & Owner
DDS, MMedSci Rest (Sheffield)
Sotirios qualified from Athens University in 2004 and completed his Masters in Restorative Dentistry at the University of Sheffield in 2008. He gained his Implantology Certificate at Manchester Trafford Hospital in 2010. As the owner of High Street Dental Care, Sotirios has been a Foundation Trainer since 2009, mentoring the next generation of dental professionals.

Charlotte Walsh
Associate Dentist
BDS Sheffield, MFDS RCPS Glasgow
Charlotte qualified from the University of Sheffield in 1997 and spent two years in Oral and Maxillofacial Surgery before gaining her MFDS in 2000. She has been a valued member of the High Street team since 2005 and also supervises at the Charles Clifford Dental Hospital.

William Tighe
Associate Dentist
BDS, Sheffield
William graduated from the University of Sheffield in 2009 and completed postgraduate training at Charles Clifford Dental Hospital in 2010. He became a permanent member of the team in 2011 and is qualified in Cfast orthodontic treatment for tooth straightening.

Dr Dimitri Boutsias
Associate Dentist
BSc(Dent), BDS(Wits), MClinDent (Kings College London)
Dimitri has a special interest in implant placement and completed his Masters in Prosthodontics at Kings College London. He passed the American National Board examination at Harvard and is a published researcher. Dimitri is fluent in English and Greek.

Dr Konstantina (Nadia) Antonakoudi
Dentist & Facial Aesthetics Specialist
DDS, Thessaloniki
Dr Konstantina (Nadia) Antonakoudi is an experienced dentist with a special interest in advanced facial aesthetics and natural facial rejuvenation. Trained in a wide range of injectable and regenerative treatments, Nadia focuses on subtle, refined results that restore balance, enhance skin quality and maintain each patient’s natural beauty.
Timothy Cudmore
Associate Dentist
BDS, London
Timothy qualified from London and brings a wealth of experience in general dental practice. He is committed to providing high-quality dental care in a comfortable and relaxed environment.
Laura Brady
Dental Hygiene Therapist
BSDHT Sheffield
Laura qualified from the University of Sheffield and provides expert hygiene treatments including scaling, polishing, and periodontal therapy. She is passionate about preventive care and patient education.
Why Choose Us
Your Smile is in Expert Hands
Ready to Transform Your Smile?
Book a consultation today and discover how our expert team can help you achieve the smile you’ve always wanted.


