Our Team

A professional and friendly service

Dr. Tim McDonogh

Practice owner

GDC No. 67686

BDS MSc, Morth, FDS, LDS,

Specialist in Orthodontics


Dr Tim McDonogh is the Principal Orthodontist of practices in Purley, Redhill and Croydon. He graduated from Guys Hospital in 1992 and undertook Hospital Positions in Head and Neck Surgery in the UK and Australia for 5 years.


He gained a Fellowship in Dental Surgery before commencing a post-graduate Orthodontic qualification at the University of Manchester. He obtained a certificate in specialist orthodontic training and the membership in Orthodontics from the Royal College of Surgeons in 2000.


He is registered as a Specialist Orthodontist with the General Dental Council. He is a member of the Specialist Practitioner Group of the British Orthodontic Society, and a fellow of the World Federation of Orthodontists. He is also a member of the British Orthodontic Society, the British Dental Association and the American Association of Orthodontists.


He lives in London and in his spare time he enjoys watching and playing as much football, cricket and rugby as possible although this is becoming less so with the needs of his three wonderful active children.

Dr. Nicola Sharma

Specialist Orthodontist

GDC No. 155958

BDS, MJDF RCS Eng, MSc, MOrth RCS Edin


“A smile is a curve that sets everything straight”


Nicola completed her dental training from Barts and the London School of Medicine and Dentistry. Graduating in Dentistry with a Distinction.


She went in to do Vocational training in Castlenau in London. In that time she was able to assist with periodontal surgery and implant insertions. Following this Nicola worked in private dental practice. Along with working in practice Nicola took on a number of hospital posts in many London hospitals. In this time she was awarded Membership to the Royal College of Surgeons, England. Nicola was very fortunate to be exposed to Paediatric dentistry, Special Care, Restorative Adult Dentistry, complex removal of teeth, Oral surgery and Maxillofacial wards and surgery.
All these posts gave a greater understanding and experience of treating various patients with different conditions. Treating patients under local, sedation and general anaesthetic meant seeing patients with different needs and levels of anxiety.


Nicola was accepted on to a competitive National Training programme in orthodontics. Whilst training as a specialist she achieved a Master’s in Clinical Orthodontics. A year later became a Specialist in Orthodontics which was awarded by the Royal College of Surgeons, Edinburgh.


Since then Nicola throughly enjoys the dynamics of transforming patients teeth, facial profiles and self confidence. She has been working in Specialist practice and general practice to treat patients under the NHS and privately. In addition is also working as a Speciality Doctor in a Hospital setting which combines treating complex cases and teaching exposure.


Nicola believes in combining patient needs and preferences with, up to date clinical techniques, evidence and technology helps to achieve a smooth and pleasant treatment journey. Nicola has a joyful and empathetic approach to her patients and their families.


Outside of work Nicola is busy with her young family and enjoys baking, going on walks and travelling.

Dr. Leonor K Chen-Kuo


GDC No. 80306

BDSc (Melb), DipOrth (RCSEng)


Leonor undertook her Bachelor of Dental Science degree at The University of Melbourne. During her time in Australia, she worked in the East Gippsland Region as the Dental Officer in Bairnsdale Hospital, travelled in a mobile dental unit to serve remote rural areas under the Rural Initiative Program and worked in the Gippsland and East Gippsland Aboriginal Cooperative Health Centre. She gained her Diploma in Orthodontics from The Royal Collage of Surgeons UK and has provided over 5000 new smiles in 18 years working in specialist orthodontic practices. Leonor is certified in Invisalign and Incognito.


Leonor is a member of the British Orthodontic Society and The Royal College of Surgeons England.


Alongside orthodontics, Leonor has found a new interest providing facial rejuvenation and aesthetic treatments and is completing a Masters Degree in Facial Ageing and Aesthetic Medicine at Manchester University.


Leonor is dedicated to making sure all her patients are happy and comfortable during their appointments.

Dr Kiri Paul



Dr Kiri Paul Graduated from Kings College London and is dual qualified with a BSc Biomedical Sciences Degree. The passion Dr Paul has for Clinical dentistry and Dental Research allows her to offer a patient cantered evidence-based approach to treating her patients. She recently published a Scientific paper in the British Dental journal in collaboration with King College London on the topics of regenerative Dentistry, Sustainability and Dental Education.

Patients describe Kiri as a “warm, approachable, kind person”. One patient said that Kiri “really made me feel at ease during my appointment and treatment”.

In her spare time Kiri is a polished public speaker and keen mentor to aspiring future dentists, mentoring and delivering talks at top universities such as Queen Mary University and Kings college London.

When Dr Paul is not immersing herself in dentistry, she enjoys being active in nature trekking usually with her German shepherd or kayaking down the Thames with friends.

Dr Paul is a very sociable caring person whose aim is to elevate her patients experiences through working together to achieve a desired result.

Kym James

GDC No. 2130

Hygienist – CEB Cert in Dental Hygiene


Kym qualified as a DSA in 1977 from UCH London and worked for Dr Patrick McDonogh when he first opened his orthodontic practice in South Croydon. In 1980 Kym went on to qualify as a dental hygienist at RAF Halton and has since worked in both NHS and Private practices including Harley Street.


Kym has numerous years of experience working with patients who are undergoing orthodontic treatment, who have had dental surgery including implants and works closely with periodontists. Kym has previously worked with the local area teams treating both adults and children with learning disabilities. Kym qualified to undertake teeth whitening procedures. In her spare time Kym enjoys salsa dancing, interior design, reading and spending time with friends and family.

General Enquiries

Contact Information

45 Foxley Lane, Purley, Surrey, CR8 3EH

020 8660 4365

Tuesday - Friday