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Ruth Debney BDS, MA, BA (Hons)

Principal Dentist

Ruth qualified from The Royal London Dental School in 1990 and joined The White House Dental Practice. In 2003 she took over the practice and became the principal dentist.

She enjoys providing a wide range of dental procedures and specialises in cosmetic dentistry and oral surgery, including the removal of impacted wisdom teeth.

Ruth has completed a postgraduate modular implant course with Straumann.

Ruth has been selected as a member of the interview panel for the graduate and undergraduate programme for dental students applying to Barts and The Royal London School of Dentistry.

GDC no: 66264

Dr Sameer Manro BDS MJDF Dip(Endo) PgCert (Dental Ed)

Dental Associate

Sameer qualified in 2006 from Bart’s and London University. After successfully completing vocational training, Sameer’s passion for developing and enhancing skills continued

Sameer’s journey began by becoming a Member of the Joint Faculty of Dental Surgeons at Royal College London. He achieved further postgraduate qualifications in Endodontics, spending two further years at Barts and the London University. He then went to complete a further year at the University of Bedfordshire and gained a Postgraduate Teaching Qualification which he enjoys training newly qualified dentists.

Sameer has a passion for Orthodontics and smile makeovers, for over 15 years And has been helping patients achieve their desired goals in a calm and relaxed manner.

Sameer’s other interests include reading, going to the gym, football and badminton. He is a keen cook and enjoys developing new skills in the kitchen, all of which keep him busy when he is not working!

GDC no: 103575

Miss Alka Sinha, BDS Ncle 2002, PGCert UK 2020


Alka qualified as a Dentist from the University of Newcastle Upon Tyne in 2002 achieving a distinction in Restorative Dentistry. She continued her education at the Eastman Dental Institute UCL gaining merit in Restorative Dental Practice.

She has 20 years experience in both NHS and Private practice. Alka is passionate about providing her patients with the highest standard of care and has particular interests in preventive and aesthetic dentistry and managing patients who are anxious when undergoing dental treatment.

During her spare time, Alka enjoys walking her dog, socialising, being a mum and has a hobby of upcycling unloved furniture for friends and family.

Helene Olesen

Dental Therapist and Hygienist

Helene qualified as a Dental Hygienist & Dental Therapist at Barts & The London dental hospital in 2009.

Originally she worked and trained as a dental nurse at our practice in 2004.

Having qualified as a hygienist and dental therapist she has worked in numerous practices, both private and NHS, treating a variety of patients. She particularly enjoys the challenges of advanced chronic periodontal disease and immunocompromised patients.

Helene regularly attends courses to maintain and advance her knowledge regarding cross infection, law & ethics, child protection, periodontal regeneration, enlighten smiles.

GDC no: 185823


Melissa Harman

Practice Manager and Senior Dental Nurse

Melissa started working at the White House dental practice in 2005. She then went on to complete her nursing qualification in 2007.

Melissa has been trained by the International Team of Implantologists and the Straumann Company. She assists with the dentist during implant placement and restoration. She qualified with her Diploma in Practice Management in 2015.

She actively participates in continuing professional development having attended numerous courses in cross-infection control, four handed dentistry and emergency drugs.

In 2012  Melissa achieved the post graduate BDA course in dental radiography, allowing her to independently take all forms of dental radiographs.

GDC no:124956

Rose Connolly

Receptionist and Accounts Manager

Rose joined the team in 2015 and is thoroughly enjoying working as a Receptionist. She is friendly, reliable and very efficient, and enjoys working with the general public providing excellent customer care and patient satisfaction. Please do not hesitate to contact Rose with any queries or suggestions regarding the practice or your treatment.

Rose has attended courses on Health and Safety and Customer Complaints and is currently studying for a qualification with the Institute of Certified Bookkeepers (ICB).