Clinical Support Group UK

The OVC4 clinical support group’s mission is to support UK based dentists as they use the OVC4 and to address any clinical issues which may arise.

All concerns from dentists, or indeed complaints, will be addressed, in the first instance, by the support group.

Dentists are invited to send concerns and clinical issues directly to the group secretary, Deborah Lachlan (

Bio Dr Simon McDonald

Dr Simon McDonald
Scientific Advisor

BDS (London), MSc DDPH RCS
Dr Simon McDonald is a serial inventor and entrepreneur as well as a successful dentist. His achievements include being the founder and CEO of Triodent (2003), which was later sold to Dentsply in 2013. He is also the founder and CEO of Rhondium (2013). Simon received his BDS in 1978 and an MSc in 1983. He is the author of one of the first papers on the Atraumatic Restorative Treatment (1983) and has also published papers on worldwide patterns of caries.
Some of Dr McDonald’s most notable inventions include:
  • The One Visit Crown
  • McDonald Matrix Band
  • V, V3 and V4 Rings
  • Stretch Wedge, V Wedge, Wave Wedge and V4 Wedge
  • WedgeGuard
  • Tab Matrix Band, V3 Tab Matrix Band, SuperCurve Matrix Band, ClearMetal Matrix Band
  • Tri-Clip
  • Griptab
Deborah Lachlan

Deborah Lachlan

Bio Prof Edward Lynch

Professor Edward Lynch 

PhD Lond, MA, BDentSc, TCD, FDSRCSEd, FIADFE, FDSRCSLond, FASDA, FACD, Specialist in Endodontics, Specialist in Prosthodontics, Specialist in Restorative Dentistry.

Professor Edward Lynch was a full-time academic in Dentistry at the University of Warwick, which is ranked the third behind only Oxford and Cambridge in the list of the UK’s best Universities. He was elected the most influential person in UK Dentistry in 2010 by his peers (Google dentistry top 50 2010) and has held the position of Professor of Restorative Dentistry and Gerodontology of the Queen’s University Belfast as well as Consultant in Restorative Dentistry to the Royal Hospitals from 2000 – 2010. He also served as the Consultant Editor of Gerodontology, as well as the Treasurer and Secretary to GORG, IADR and Editor of the GORG IADR newsletter. He has served as Senior Lecturer in Conservative Dentistry and Hon. Consultant in Restorative Dentistry and Postgraduate Course Organiser for the University of London where he was full-time for 20 years (1980 – 2000). He was awarded a total of 94 research grants, totalling around 5 million pounds and has more than 500 publications, including chapters in books and referred abstracts. During his career, Professor Edward Lynch has successfully supervised more than fifty MSc, MPhil and PhD students and he has been awarded many prizes for his research. He is also a specialist in 3 disciplines, Endodontics, Prosthodontics and Restorative Dentistry as well as being a BUPA Consultant in Oral Surgery and presents at many prestigious postgraduate courses worldwide each year.

He is a Consultant to the ADA, a spokesperson for the BDA, a Scientific board member of the International Health Care Foundation and ISBOR, is on the editorial board of numerous International Journals and has spent decades as very much a “wet gloved” academic treating many specialist referrals every week, previously in the Royal Victoria Hospital as well as in Saint Bartholomew’s and the Royal London Hospitals. He has edited the Quintessence book entitled “Ozone – The Revolution in Dentistry” ISBN 18-5097-08-82. He is also the Chairman of the European Experts group on Tooth Whitening and is actively seeking to change EU legislation to legalise Home Bleaching. He has presented to the EU parliament on 2 occasions on tooth whitening. In the past 12 years, his research team has been honoured ten times by being awarded first prizes at the annual meeting of the International Association for Dental Research including a 2012 IADR first prize for one of his MSc students Diarmuid Buckley in Warwick Dentistry. In addition in 2010 he has been elected the 2011 President of GORG in the International Association for Dental Research and in 2012 he has also been elected as the next President of the Pharmacology, Therapeutics and Toxicology (PTT) Research Groups in the International Association for Dental Research. In addition, Edward was elected to represent the Geriatric Oral Research Group on the Council of IADR from 2013 and he represented PTT on the IADR Council in 2012. He has also been elected as the Regent for Europe for the prestigious Fellowship of the Academy for Dento-Facial Esthetics.

He has also been accredited in October 2010 with the prestigious membership of The American Society for Dental Aesthetics and has been awarded the 2010 Outstanding Achievement Award at the Dentistry Awards (Dentistry, 13 January 2011). On 16 Oct 2012 he was awarded the Fellowship of The American Society for Dental Aesthetics and is the first UK Dentist to ever achieve this prestigious Fellowship. On 10 Feb 2013 he was awarded the Lifetime Achievement Award for Services to Research and Teaching at the prestigious IAOHD Dentistry conference in Las Vegas.

Jon Fleming OVC Support

Dr Jon Fleming 


Jon qualified from Guys Hospital in 1985 and after completing 2 years as an SHO in Oral Surgery, joined the royal Air Force as a Dental Officer in 1987. He served for 27 years in many clinical and specialist roles, gaining the MGDS examination, an MSc in Restorative Dentistry and Fellowship of the Faculty of General Dental Practitioners. Since leaving the RAF in 2014, Jon has been working in NHS and private dental practice with a special interest in the restoration of worn and failing dentitions.

Dr Andrew Osafo

Dr. Andrew Osafo BDS Dip Sed FIADFE

Dr Andrew Osafo qualified as a dentist from St Bartholomew’s and the Royal London Dental School in 2003. “I am a great believer in providing the best quality care. I believe in delivering the type of care I would expect for myself or my family; that’s why I attend post-graduate courses regularly to maintain and update my skills. My aim will always be to deliver pain-free treatments, in a comfortable, warm and friendly environment.”

Andrew is particularly interested in Minimally Invasive Dentistry and Pain Free Dentistry. He is also passionate about health & aesthetics and enjoys helping people get a confidence boost. Dr Osafo test products, lectures and writes articles for various organisations. Andrew is also passionate about fundraising and has taken part in a number of marathons and events for charities.