• Treatments

    Whether you’re considering clear aligners, fixed braces or a single dental implant; Portman Smile Clinic in Bicester has a range of tailored treatments to suit your needs and budget.

  • Blog

    Depending on your stage in treatment we understand that you are bound to have questions and you may not be in practice to get the answers. To help with this, our blog section is here to provide you with the information you require, fed by the questions we receive on a regular basis and overseen by our experts.

Fixed-price single implants

For just £1,900 you can restore your smile with dental implants in Bicester. As the most secure and long-term solution for missing teeth, a well-maintained dental implant will be with you for years to come, restoring function and your confidence.

Covid secure

Our practice remains OPEN and welcoming patients. We have introduced several ways to keep you safe, take a look for more information.


Meet our team

  • Headshot image for Fiona Leahy
  • Headshot image for Fiona Leahy

    Fiona Leahy

    Specialist Orthodontist


    • MScD (Wales) 2000
    • MOrtho RCS (Edin) 2000
    • FDSFD RCS (Ire) 1992
    • BDS NU (Ire) 1989

    Fiona qualified as a dentist in 1989. She then gained postgraduate experience working in the Dublin Dental Hospital and was awarded a Fellowship in Dentistry from the Royal College of Surgeons in Ireland in 1992. After further work experience in general dental practice and the Community Dental Service, she embarked on her orthodontic training at the University of Wales. She graduated with a Master of Dental Science in Orthodontics and a Membership of Orthodontics (MOrth) from the Royal College of Surgeons in 2000.

    Since qualifying as an orthodontist Fiona has worked exclusively in specialist practice and has now gained 19 years of experience. For the last 16 and a half years she has worked at a large mixed specialist orthodontics practice in Kidlington, Oxfordshire. Here, she has gained extensive experience treating a large number of patients with a diverse range of appliances. She continues to be excited about orthodontics and ensures she keeps up to date with new developments, technology and techniques.

    Fiona considers herself to be a caring and conscientious practitioner who is focused on providing the highest quality treatment and service to all her patients. She strives to understand each patient’s needs so she can tailor treatment to every individual. Her ultimate practice goal is to be able to relate to her patient’s concerns and to give these patients great results that will make them happy.

  • Headshot image for Pritesh Raval
  • Headshot image for Pritesh Raval

    Pritesh Raval

    Specialist Periodontist and Implant Surgeon


    • Specialist Periodontist - BDS MJDF RCS PG Cert MClinDent (Perio) MPerio RCS
    • European Federation of Periodontology Diploma in Periodontology and Implant Dentistry

    Pritesh Raval is our specialist periodontist and implant surgeon. Pritesh qualified from Kings College London in 2008. He has gained extensive clinical experience including working in general dental practice on the South Coast and in Central London. He has worked in the Maxillofacial department at the prestigious Queen Victoria Hospital in East Grinstead undertaking and assisting in complex head and neck surgeries, trauma surgeries and difficult dental extractions. He has also worked in a specialist community setting working with vulnerable adults and children as well as undertaking teaching at dental schools. In 2016, he undertook his specialist training at the world-renowned Eastman Dental Hospital, University College London. He gained his specialist qualification in periodontics on a program which is accredited by the European Federation of Periodontology and Implant dentistry.

    His specialist interest lies in the management of:

    • Advanced gum disease using surgical and non-surgical treatments
    • Regenerative therapy for bony defects
    • Management of peri-implant diseases- including hard and soft tissue complications around implants
    • Soft tissue and mucogingival treatments including treating recessions, crown lengthening for cosmetic and functional reasons
    • Placement of implants

    He also undertakes training and teaching for fellow dental colleagues. He lectures and teaches locally and nationally. He has published in national and international journals. His friendly manner, experience and knowledge base places him in an ideal position to assess and place dental implants. Dr Pritesh Raval is an accredited specialist periodontist on the register with the General Dental Council.

    In his spare time, he enjoys spending time with his young family, socialising and keeping fit. He has also taken part in several triathlons and is currently learning to cook.

  • Headshot image for Jigar Patel
  • Headshot image for Jigar Patel

    Jigar Patel

    Specialist Orthodontist and Consultant


    • BDS (Guy’s, King’s & St Thomas’)- 2004
    • MFDS RCS (Eng)- 2006
    • MJDF RCS, (Eng)-2008
    • M’Orth RCS (Edin) -2011
    • MPhil (Birmingham)-2012
    • FDS RCS (Orth) (Edin) -2013

    Jigar studied Dentistry in Guy’s, Kings and St Thomas Dental Institute in London and undertook further training in the fields of Oral & Maxillofacial Surgery, Paediatric Dentistry and cosmetic and Implant Dentistry. He was awarded membership to the prestigious Royal College of Surgeons following this period of further training.

    Jigar subsequently completed five years of full time specialist and consultant training at Birmingham Dental Hospital and upon graduation was honoured to have been awarded the British Orthodontic Society Medal. An award given by the British Orthodontic Society panel of consultant and specialist judges to only one individual upon graduation in recognition of having completed the best treated patient cases.

    In addition to clinical work he actively examines, teaches and lectures. He is involved with dental professional examinations as an examiner for the Royal College of Surgeons. He has extensively lectured and presented both nationally and internationally including being invited to present his work at both the British and American National Orthodontic Conferences. Jigar has also had his work published in multiple professional peer-reviewed journals.

    He is currently a part-time NHS consultant at East & North Hertfordshire Trust where he treats an array of complex multi-disciplinary cases and provides advice for specialist colleagues and general practitioners. He is in a unique position to be able to offer and provide the very latest and cutting-edge treatments to patients.

    Jigar Patel is proud to be amongst a small, select number of UK clinicians qualified to a Consultant and Specialist level.

  • Headshot image for Sharmi Patel
  • Headshot image for Sharmi Patel

    Sharmi Patel

    Dentist with Specialist Interest in Orthodontics


    • BDS (University of Birmingham)2004
    • MJDF (Royal College of Surgeons, England) 2007
    • MSc Implant Dentistry (University of Warwick) 2013

    Sharmi graduated from the University of Birmingham in 2004. She is at the cutting edge of the profession and highly trained in the latest dental developments and techniques. She has undertaken extensive postgraduate training to attain clinical excellence in her dentistry. Sharmi was awarded membership to the prestigious Royal College of Surgeons of England, in 2007.

    Sharmi has been providing high quality NHS and private child and adult orthodontic treatment. She works alongside a consultant orthodontist to ensure the highest standard of care is delivered. Sharmi is a fully accredited Invisalign provider.

    Sharmi has been placing implants for the last 10 years. She successfully completed a three-years master’s degree in Implant Dentistry, at the University of Warwick, and an advanced implant skills course in Brazil. In addition to Portman Dental Clinic, Sharmi works in a specialist orthodontic practice in London, and a highly regarded West London clinic providing complex general dental care and implant dentistry.

    Sharmi is very popular with her patients because of her empathetic bedside manner and desire to always put her patient’s interests first. Sharmi enjoys perfecting smiles and self-confidence through orthodontics, cosmetic dentistry and dental implants. She firmly believes the greatest satisfaction as a dentist comes through helping patients understand what’s feasible and working with them to achieve their aspirations, whether it’s simple treatment or a complex rehabilitation. She always involves patients in decisions about their treatment so that they feel relaxed and inspired about the choices they make.

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Our reviews and testimonials

  • Rhys Allen

    Very kind and friendly staff. were very good at explaining what’s going to happen in regards to the appointment, and were also very gentle and cautious and wasn’t forceful at all to where it would start ...

    Rhys Allen


  • Miriam Crippa

    Incredibly wonderful staff!! Very professional with excellent customer service. Fiona is just a big star as she made my teeth look perfectly aligned and Alina is an absolute darling!
    Thanking all the t...

    Miriam Crippa


  • Zsuzsana Singh

    We had the pleasure to meet Fiona last year August.
    My son Jaden already had his braces for 2 years when we moved here from Switzerland.
    Fiona and all the ladies took him on with the most profess...

    Zsuzsana Singh


  • Michelle Barrett

    I am really impressed with the service I have received so far. Every member of staff I have dealt with has been friendly and helpful. It seems a very professional clinic that seems to run on time and be thor...

    Michelle Barrett