Meet the team at Greenwich Dental Referrals
Dr Mangat and associates regularly carry out Orthodontic, Implants, Periodontic and Endodontic work for patients who have been referred by local dentists.
We are also available to the general public as well as any local general dental practitioners.
Principal Dentist / Senior Orthodontist
Dr Mangat BDS, FDSRCS (Edin), FDSRCS (Eng), MSc, MOrth - GDC No. 69327

Harneet Mangat qualified as a Dentist from Liverpool Dental School in 1993 and worked as a vocational trainee in Hertfordshire. He then spent three years working in hospital, when he gained his Fellowship in Oral Surgery qualifications from both the Edinburgh and London Colleges.
In 1997 he began his specialist orthodontic training at Kings and Guildford hospitals. He gained his MSc and MOrth qualifications and completed his training in 2000. Since then, he has been busy developing his specialist orthodontic practice in South-East London and has trained in the provision of Invisalign, Damon and Lingual braces.
He was the Secretary and then the Chairman of the Orthodontic Specialists Group of the British Orthodontic Society from 2009 - 2014. In 1999 he began his legal training, and was called to the English Bar in 2006. As well as his clinical work as an Orthodontist he also serves as a Chariman on the GDC's fitness to practice panel.
Specialist Orthodontist
Dr H Lee Ng BDS (lond) MSc (Lond) FDS RCS (Eng) MOrth(Eng) - GDC No. 70210

Lee graduated as a dentist at Guy’s Dental Hospital. Following graduation, she took up junior hospital posts in all aspects of dentistry including Oral & Maxillofacial surgery, Orthodontics and Paediatric Dentistry at Sheffield, Rotherham and Birmingham Dental Hospital. During that time, she became a fellow at the Royal College of Surgeons of England.
She spent a year in general dental practice before embarking on a 3 year specialist orthodontic training at King’s Dental Institute and St George’s hospital where she gained her Masters of Science degree from the University of London and was awarded Membership in Orthodontics in 2002.
Lee has been working in the specialist practice since qualification and has a wide experience treating children and adults ranging from mild to complex cases. She is also a certified Invisalign and Incognito (lingual braces) provider as well as treating with conventional fixed braces.
Orthodontic Therapist
Dr Jyoti Kanji Patel - GDC No. 176961
Endodontist
Rory MacSweeney - GDC No. 76283
Rory qualified at Trinity College Dublin in 1999 and has been working in general dentistry in London ever since. Over the last 10 years Rory has developed a special interest in endodontics and now takes endodontic referrals from other dentists.
He has also taken an interest in surgery and has achieved a certificate in dental implants.
Specialist in Periodontics
Dr. Nick Vyas BDS MSc Perio FDS Perio/ Oral Med. RCS Ed. Cert Imp GDC No. 66111
Specialist In Periodontics Nick has been a dentist since 1990 when he graduated from Cardiff Dental School at The University of Wales college of Medicine.In the 25 years since graduating, Nick has been a VT, spent 3 years in the Hospital Service gaining experience in Oral and Maxillofacial Surgical Departments at various hospitals and also in NHS and Private general dental practice.
He then decided to specialise and was accepted at the prestigious Eastman Dental Institute for the Masters Degree Program in Periodontology, which he attained with a distinction in 1995.
He also attained the Fellowship in Dental Surgery in Periodontology and oral Medicine by examination in 1996. The General Dental Council conferred the title of Specialist in Periodontics by assessment in1999. Nick has gained further experience in Implantology having completed the Certificate Course at the Eastman.
Nick has been the visiting specialist Periodontist at a number of practices in and around London over the years, and is currently based at practices in Central London and in Middlesex. He was until recently a Specialist Clinical Lecturer at The Royal London Dental School.
He continues to arrange lectures and study days for dentists, hygienists and therapists. Having gained the qualifications, experience and accreditation, Nick has limited his clinical practice to Periodontology, Implantology, Oral Medicine and Dento-alveolar Surgery and is happy to offer a full range of periodontal, surgical implant and dento-alveolar services.
Nick's clinical interests include:
- Management of compromised periodontal patients – especially Diabetics and Smokers
- Multi-disciplinary treatment planning including crown lengthening, hard and soft tissue grafting
- Management of implant failure especially relating to peri-mucositis and peri-implantitis
- Soft tissue biopsies
- Surgical extractions
Having worked previously as a GDP in both NHS and Private Practice for many years, Nick understands the need for regular communication with the referring dentist and is keen to ensure patients are provided with the best service from referral to completion.
Consultant in Prosthodontics
Mr. Musaab Siddiqui - BDS, MFDSRCS(Ed), MClinDent Pros, MProsRCS(Ed), FDSRCS(Ed), MDTF(Ed),FHEA GDC No. 254930
Dr Siddiqui was the first Consultant in Prosthodontics at University of Bristol Dental School and continues his substantive consultant role there as Senior Clinical Lecturer and Consultant in Prosthodontics.
Dentistry from Pakistan and then moved to the U.K. to develop his career. He was selected to complete his rigorous additional specialist MClinDent Prosthodontics training at the prestigious Barts and The London School of Medicine and Dentistry and worked at Newcastle Dental Hospital and a variety of private practices before settling in the South West.
He has been honoured with many dental awards and is a renowned lecturer both nationally and internationally. He enjoys provision of Prosthodontics teaching for both undergraduates and postgraduates at Bristol Dental School and is an examiner for University Degree and Royal College examinations.
Dr Siddiqui’s approach is empathetic, calm and positive, so enabling him to put his patients at ease and help them to improve their quality of life with Prosthodontic rehabilitation. Dr Musaab Siddiqui works to provide a comprehensive specialist Prosthodontist referral service for his referring dental colleagues in Greenwich and surrounding areas. Patients can also present directly or self-refer to attend Greenwich Referral Practice.
Musaab lives in Bristol and enjoys cricket, table tennis and exploring the great outdoors.
Dr Siddiqui has broad experience of providing Prosthodontic solutions in private specialist practice, including expertise in dealing with:
- Complex tooth and bite restorative cases
- Occlusal and/or TMJ issues
- Tooth wear/surface loss management
- Problem solving for dentures
- "Smile makeover", Digital Smile Design "DSD"
- Implant rehabilitation