Welcome to Heath Street Dental, Orthodontic & Implant Centre!


At Heath Street Dental in Hampstead, we provide high quality dental care in all types of Family Dentistry as well as advanced dental treatments with a focus on Orthodontics and Implants. We maintain strict standards in evidence based care. Our clinicians will always aim to preserve teeth at every opportunity and extend longevity of tooth tissue.
Our aim is to understand the needs of our patients. We ensure your and your children’s treatment is carried out in complete confidence by expertly trained professionals and specialists. We believe in ensuring you are fully informed when making decisions about your care and so your Hampstead dentist will always give you all the options available for your treatment.


Radhika Heath Street Dental

Dr Radhika Parekh: Principal Dentist

BDS, MJDF RCS (Eng), CertMOS RCS (Eng)
GDC number: 193196 

Dr. Radhika Parekh is the founder as well as Principal Dentist at Heath Street Dental, Orthodontic & Implant Centre. She graduated from Kings College London. She then spent time practicing in hospital, where she treated a vast number of adults as well as children with complex medical histories and dental phobias.

Radhika holds various post-graduate qualifications such as the MJDF with the Royal College of Surgeons of England. She also holds a Certificate in Oral Surgery. At Heath Street Dental, she focuses on all types of family and cosmetic dentistry. She enjoys treating children as well as managing anxious or nervous patients. Radhika regularly visits schools across London to give oral hygiene guidance to children and parents. She believes in preventative treatment and long-term preservation of tooth tissue where possible.

Radhika is a member of the General Dental Council, the British Dental Association and the Royal College of Surgeons of England.

Konstantinos Heath Street Dental

Dr Konstantinos Mitsimponas: Specialist Consultant Oral & Maxillofacial Surgeon

MBBS, BDS, MBA, MSc, FA-MKG, Dr. med. dent, Dr. med.
GDC number: 82717

Dr. Mitsimponas is an experienced Oral and Maxillofacial Surgeon. He is on the specialist register with both the General Medical Council (GMC) and the General Dental Council (GDC).

After qualifying in both Medicine and Dentistry in Greece, Konstantinos started his specialist training in renowned UK centres, such as the Barts & The Royal London Hospital. After this he moved to one of the most prestigious German centres for Oral and Maxillofacial Surgery, the University Hospital of Erlangen in Nuremberg. Here he completed his training under Prof. Dr. Dr. Neukam and worked as a specialist. In these positions, Konstantinos acquired extensive experience in all aspects of Oral and Maxillofacial surgery. His interests include trauma surgery, salivary gland surgery, cancer and reconstructive surgery including skin cancer surgery, cleft surgery, orthognathic surgery, dentoalveolar surgery and implantology.

In addition, Konstantinos is actively engaged in research, participating or leading laboratory and clinical research projects. This research has culminated in the award of two doctorates (in Medicine and in Dentistry), numerous publications in peer reviewed journals as well as presentations in national and international meetings.

Konstantinos was appointed as a Consultant at the Royal Free Hospital in Hampstead, London in January 2016, a position that he currently holds.

At Heath Street Dental, Orthodontic & Implant Centre, Konstantinos offers the full spectrum of dentoalveolar procedures. He has a particular emphasis in implantology, where he undertakes simple as well as complex cases, such as those requiring bone augmentation.

Heath Street Dental

Dr. Kemi Onabolu: Specialist Orthodontist

BDS (Hons), MPH(Yale) MSc(Lond), MOrth RCS (Ed)

GDC number: 250202

Dr Kemi graduated as a dentist in 2006 with honours. Following graduation, she spent time working in hospital and general practice. She also completed a Masters in Public Health degree from Yale University in 2010. Kemi then embarked on a 3 year orthodontic postgraduate degree at Guy’s and St Thomas Hospital. Here she gained her Masters of Science degree in orthodontics finishing with a distinction. Furthermore, Kemi was awarded the Membership in Orthodontics from the Royal College of Surgeons of Edinburgh in 2016.

At Heath Street Dental, Kemi treats both adults and children using a variety of orthodontic appliances. These include conventional fixed braces, ceramic braces, lingual appliances as well as removable and functional appliances.

Dr. Ioannis Papadopoulos: Practice limited to Prosthodontics

DDS, Doctor of Clinical Dentistry (Prosthodontics)

GDC number: 251390

Dr. Ioannis qualified from the Dental School of Athens and moved to London to pursue specialty training in Prosthodontics at the Royal London Dental Hospital. He was awarded his DClinDent degree from Queen Mary University of London with a distinction grade. Ioannis is involved in the treatment of complex cases, including placing and restoring dental implants. He also teaches undergraduate students and foundation dentists, and enjoys doing research. He attends national and international congresses regularly and has published articles in peer-reviewed journals. He has been awarded several prizes, including the British Society of Prosthodontics Oral Presentation Prize. He is an active member of the International Team for Implantology and the British Society of Prosthodontics.

Feedback from his patients includes that his care of them is excellent and of the highest quality. Ioannis is friendly, detail-oriented, and enthusiastic about his work.

Dr. Sheelna Gada: General Dentist


GDC number: 229366

Dr. Sheelna qualified from the University of Leeds with a certificate of merit in paediatric (children’s) dentistry. She has completed her MFDS post graduate qualification and is a member of the Royal College of Surgeons in Edinburgh. She has worked in general practice in London, Cheltenham and Buckinghamshire. Sheelna has a keen focus on preventative care, and ensuring a calm and pleasant patient experience.

Helping nervous patients feel more relaxed in the dental setting is a priority for Dr. Sheelna, and she is dedicated to providing minimally invasive dentistry in a gentle and friendly manner. She loves treating children at Heath Street Dental and enjoys all aspects of restorative dentistry, particularly endodontic treatment and composite restorations. She is also committed to her continued professional development for the benefit of her patients.

Outside of dentistry Sheelna is an enthusiastic baker, and enjoys exploring different cultures, especially different foods! She enjoys travelling and spending time with family and friends.

Aram Navai: Practice Limited to Endodontics


GDC Number: 177569

Aram is a versatile dentist with experience and an expertise in various disciplines. He mainly treats patients on a referral basis and is one of the very small number of dentists who has been awarded a specialist training position in Endodontics at Guy’s and King’s college hospitals.

Aram’s main area of clinical practice is Endodontics and he treats a range of cases that are referred to him including complex endodontic cases. He also lectures undergraduate dental students in the field of Endodontics.

Aram originally qualified from Guy’s and King’s college dental institute in 2009 and was awarded membership of the Royal College of Surgeons of England in 2011. His other areas of interest include oral surgery and conscious sedation.

Outside of dentistry Aram enjoys travelling, keeping fit, playing the guitar.

Ahmed Din: Specialist Orthodontist

BDS (Birm) Doctorate in Clinical Dentistry (Ortho) MOrth RCS (Eng)

GDC Number: 210143

Dr Ahmed Din qualified from the University of Birmingham in 2011 having been awarded the Walpole Day prize in Orthodontics, Charles Greene prize in Oral Surgery along with the award for the Aesthetics Special Study Module.

Ahmed has been appointed to undertake his consultant training in Orthodontics at The Royal London Hospital. Previously he completed his specialty training in Orthodontics, again at The Royal London Hospital, and has now been awarded the Membership in Orthodontics from the Royal College of Surgeons of England in 2018.

Alongside this, Ahmed undertook a Doctorate in Clinical Dentistry in Orthodontics at Queen Marys University. He has published articles in peer reviewed journals and has presented his thesis research project at international conferences which reported on neurosensory changes following jaw surgery. Ahmed has and continues to teach post-graduates and under-graduate dental students.

Outside of dentistry Ahmed is a keen CrossFit athlete who soon hopes to become a CrossFit Level 1 trainer and, he also enjoys travelling the world for its food.

Hossein Amini: Practice Limited to Periodontics and Endodontics


GDC Number: 211163

Hossein qualified as a Dentist from the University of Leeds and thereafter began training at the London Deanery, University of London. 

He attended extensive postgraduate units in Restorative Dentistry studying at the Royal College of Surgeons of England and undertaking an MSc in Restorative Dentistry (Periodontics, Endodontics and Prosthodontics). He has additionally developed a Special Interest in Periodontics and Endodontics while studying at the Royal College. 

Hossein is one of a small number of certified Laser Dentistry (BILD) practitioners able to use Soft Tissue Lasers in clinical dentistry. At Heath Street Dental he carries out both Periodontal and Endodontic treatment for internally and externally referred patients.

Outside of Dentistry he enjoys travelling, visiting art galleries and is an avid reader.


Dental Expertise

We have expert clinicians in each field to provide all types of dental treatment in house. Our dentists, specialists and also consultants all work together as a team to ensure your dental needs are covered.


Feel free to come early to your appointment. You can relax in our reception area with a selection of herbal teas and Wi-Fi access. Emergency or out of hours appointments are available.


Please do not hesitate to contact our front desk for all your needs. We are happy to arrange transport, overnight stays or even a discreet service for those who prefer sole access on request.


We use state of the art equipment and the latest techniques to benefit your oral health, increase the lifetime of your restorations and make your visit more enjoyable. We are also a disabled friendly practice.



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