Our Team

Dr Sarah Nackasha - Dentist

BDS MFDS RCS(ENG) Dental Surgeon

Dr Sarah Nackasha graduated in 1998 from Guys and St Thomas's Medical and Dental School. After various positions in general dental practices, then working in the community as a Community Dental Officer, and in hospitals as a Maxillofacial Senior House Officer; she obtained her MFDS, (membership of the faculty of dental surgeons) at the Royal College of Surgeons, England.

In 2002, Sarah took the post of Paediatric and Orthodontic Senior House Officer at the Great Ormond Street Hospital London. Following this position, Sarah developed an interest in treating children and managing the nervous patient which has been invaluable.

Outside dentistry Sarah enjoys spending time with her family and has been blessed with two boys. She enjoys keeping fit and has even taken part in the London marathon in support of Kidscape.

GDC registration number-74960


Dr Joseph Masih - Specialist Endodontist


Bachelor of Dental Surgery
King's College School of Medicine & Dentistry, King's College London.

Membership of the Faculty of Dental Surgery
The Royal College of Surgeons of Edinburgh.

Masters in Clinical Dentistry (Endodontology) with Distinction
The Eastman Dental Institute, University College London

Membership of Restorative Dentistry
The Royal College of Surgeons of Edinburgh

Dr Masih is a registered specialist in Endodontics and has limited his practice to Endodontics since 2003. In addition to practising at The Dental Centre Bedford, Dr Masih is also a part time clinical teacher in Endodontics at the Eastman CPD department, Eastman Dental Institute, UCL.

Since graduating from King’s College London in 1997 Dr Masih has worked in the restorative department of King’s College Dental Hospital London, and maxillofacial departments of St George’s Hospital London and the Luton & Dunstable Hospital.

Whilst in general practice, Dr Masih became a vocational trainer, teaching newly graduated dentists. During this time he also gained his Membership of the Faculty of Dental Surgery (MFDS) qualification. An interest in Endodontics (root canal treatment), led to the completion of a Masters in Clinical Dentistry (MClinDent) in Endodontology at the Eastman Dental Institute with distinction, and an award for Best Clinical Achievement. He was subsequently awarded the Membership in Restorative Dentistry (MRD), the highest formal qualification available for the endodontic mono-specialty, by the Royal College of Surgeons of Edinburgh, and entered onto the General Dental Council’s Specialist List for Endodontics.

Dr Masih is committed to providing endodontic treatment in a friendly and relaxed environment. He is dedicated to the highest standards of clinical care, and the ongoing process of postgraduate education.

GDC registration number- 73398

Dr Samantha Pugh

Dr Samantha Pugh - Dentist *


Samantha qualified with distinction from Kings College London University in 1998 and
focused her early years in oral and maxillofacial surgery appointments at St Georges Hospital, Tooting and Kings College Hospital, London. She developed her surgical skills and interest in surgical dentistry over the years and gained a Membership of the Faculty of Dental Surgeons from the Royal College of Surgeons, England in 2002.

She has since worked for over 20 years in family orientated practices in London and
Bedfordshire. During this time she gained experience with dental implants, which led her to undertake a postgraduate Masters programme. She completed her Masters in Implant Dentistry with Honours in 2007 from the Eastman Dental Institute, University College London.

On completing her training, Samantha continued to work at the Eastman Dental Hospital
treating advanced surgical and restorative cases as well as teaching new postgraduate trainees. Samantha has a keen enthusiasm for teaching and education. She has lectured and provided hands-on courses for her peers. She has been a member of the Association of Dental Implantology since 2007 and attends regular journal clubs and peer discussion in the General Dental and Implant field.

Samantha has special interests in:

  • General Dentistry
  • Dental Implants
  • Extractions
  • Crowns and Bridges

GDC registration number - 75109

Mario Veltri

Dr. Mario Veltri - Specialist in Periodontics*

PhD (Siena) Spec. Perio (Gothenburg)

After graduating from the University of Siena in Italy, Mario worked in general dental practice. During this period, he developed an interest in dental implant treatment and furthered his clinical and academic background by earning a PhD and contributing several scientific publications concerning implant dentistry.

Mario was subsequently awarded a prestigious scholarship from the International Team for Implantology that allowed him to attend for one year at the University of Geneva, Switzerland, where he received further training on dental implant treatment at the Department of Prosthetic Dentistry and Occlusion.

Mario relocated to Sweden where he completed a 3-year post-graduate training program in periodontology at the University of Göteborg. This well renowned university is a leading clinical and research institution for periodontology and dentistry. Mario was awarded a Certificate in Periodontology and Implant Dentistry issued by the European Federation of Periodontology, and registered with the General Dental Council as a Specialist in Periodontology.

GDC registration number - 118225

Manish Patel

Dr Manish Patel - Specialist in Prosthodontics*

BDS (ULond), MFDSRCS (Eng), MClinDent (Prosthodontics), MRDRCS (Eng)

Manish Patel graduated from King’s College Dental Institute in 1999. He then furthered his training as a house officer in oral and maxillofacial surgery and restorative dentistry. He has previously worked in general practice and gained his Membership to the Faculty of Dental Surgery in 2002. Following this, he commenced a four year Specialist in Prosthodontics programme at the Eastman Dental Institute (UCL).

In 2008 he received a Masters Degree in Clinical Dentistry in Fixed and Removable Prosthodontics with distinction and the UCL Dental School Commemorative Prize in Prosthodontics for clinical and academic excellence. He completed the Membership in Restorative Dentistry examination by the Royal College of Surgeons of England in 2009 and was entered into the Prosthodontic Specialist List.

Manish has continued to work at the Eastman Dental Institute as a part-time Senior Clinical Teaching Fellow in the Prosthodontics Unit. Working alongside experienced clinical, academic and laboratory staff, he is involved in teaching post-graduate dentists on the various restorative dentistry training programmes.

Special Interests:

  • General dentistry
  • Crowns and bridges
  • Complete and partial removable dentures
  • Implant dentistry
  • Tooth wear
  • Aesthetic/Cosmetic dentistry
  • Teeth whitening

GDC registration number - 76251

Rishil Patel

Dr Rishil Patel - Dentist *

BDS Lond 2008, MClin Dent(Implantology)

Dr Rishil Patel graduated from King’s College London in 2008 and completed a Senior House Officer Post in Oral & Maxillofacial Surgery at Barts & The London Hospitals. He then worked in general practice for 11 years before joining The Dental Centre, Bedford.  

Dr Patel has completed a Masters of Clinical Dentistry in Implants (MClinDent) at The City of London Dental School (BPP), where his main interest lies. Aside from implant dentistry, Dr Patel’s other interests include

Cosmetic and Restorative Dentistry and is fully certified in providing Invisalign and Inman Aligner Orthodontics.
Reassuring patients with his gentle and kind approach is a forte of Dr Patel and is particularly good in treating anxious patients. Outside of dentistry, Dr Patel enjoys cricket, travelling and spending time with his family and children.

GDC registration number - 154292

Vasileios Trikaliotis  - Dentist

Vasileios Trikaliotis - Dentist *

DipDs (Athens 2011) DIP Implant Dentistry Distinction (UCL, 2021)

Dr Trikaliotis graduated from Athens Dental School, Greece in May 2011. He then secured a  post for the Greek National Army as a general dentist gaining essential experience in general and emergency dentistry before moving to England in October 2012. Prior to joining The Dental Centre Bedford, Dr Trikaliotis has worked in several practices in Farnborough and Harpenden. During these years, he has attended numerous courses in the UK to further his knowledge and learn the latest dental techniques. Most recently, Dr Trikaliotis completed a 3 year-post-graduate course in Implant Dentistry  which he passed with distinction from the prestigious, Eastman Dental Institute, (UCL) in London.

Dr Trikaliotis’ treatment philosophy is to provide the highest standard of care, treating  his patients in the same manner he would like himself or any member of his family to be treated. Belief that patient involvement is key to treatment success and satisfaction, Dr Trikaliotis prioritises discussing treatment options with all his patients. Treatments which are of significant interest to him are implants, general dentistry with continuing professional development his main career focus. Outside work Dr Trikaliotis is a keen basketball player and plays on regularly basis. 

GDC registration number- 220579

Anthony Walsh  - Dentist

Anthony Walsh - Dentist *

Charles University Czech Republic 2015

Having completed a BSc in Medical Physiology (2009) straight after school and working as a healthcare assistant for one year at Addenbrookes hospital, Anthony completed his dental studies at the prestigious Charles University in the Czech Republic, finishing in 2015.

On returning to the UK, Anthony started his career and training year in South Wales. He stayed there for 3 years before moving closer to home.

Anthony prides himself on showing a lot of care and empathy in his work, making sure patients know all their options. He very much enjoys knowing his patients and working at the right pace for them. He has completed further studies in the preparation of teeth for crowns and other restorations, white composite fillings on front and back teeth, minor oral surgery, teeth straightening, amongst others. He has invested significantly in himself and recently completed a 1-year implant course at the prestigious British Academy of Implant and Restorative Dentistry (BAIRD) in Leeds.

Outside of dentistry, Anthony likes playing and watching football, going to the gym, travelling when he can, especially to Malaysia where he has a lot of family and relaxing with friends, good music, and good food.

GDC registration number - 260588

Rebecca Naidoo - Dentist

Rebecca Naidoo - Dentist *

Guys, Kings and St Thomas’ Dental Institute 2003

Dr Rebecca Naidoo qualified from Guys, Kings and St Thomas’ Dental Institute in 2003. Since then, Rebecca provided dental services in Community Dentistry working alongside children and adults with dental phobias where her calm and empathetic nature resulted in much success. The majority of Rebecca’s professional career has been spent in general practice caring for the day-to-day dental needs of her patients in London. Since graduation, Rebecca has completed courses in cosmetic dentistry and Invisalign and enjoys being able to meet the unique needs of each patient and providing cosmetic dental treatment.

Outside of dentistry I love spending time with my husband, boys and dog. Baking is one of my favourite pastimes and exploring new places!

GDC registration number - 82503

Panagiotis Psychogyios - Dentist

Panagiotis Psychogyios - Dentist *

DipDS Athens 1998
DDS (University of Athens) Postgraduate Certificate in Prosthodontics (SONY Buffalo, US)
Master of Sciences (SONY Buffalo, US)
Former Assistant Professor, Season of Restorative Dentistry, The Ohio State University —College of Dentistry, Columbus OH, US
Registered with the General Dental Council (UK)

Panos graduated from dental school with honours in 1998 and then went on to pursue postgraduate training in prosthodontics and dental implants at the State University Of New York at Buffalo, USA, in 3 years specialty programme, where he received a Certificate of Proficiency in Prosthodontics and a Master of Science degree. He then went on to teach at the Ohio State University College of Dentistry for 3 years, before returning to Athens for military service in the Air Force and then establishing a successful private practice limited to prosthodontics and dental implants for the past 16 years.

In his private time, he enjoys time with his family, is a proud father of two young boys and likes to swim and listen to good music.

GDC registration number - 267651

Dental Hygienist

Sara Andrews - Dental Hygienist *

I joined the team in October 2018 as a Hygienist. I qualified in 1987 from University College London. I've spent the last 25 years in specialist practice's in London's Harley Street.

I am still passionate about dental hygiene and love my job, having recently completed a dental hypnotherapy course, helping nervous patients relax whilst having their treatment. 

My family are all grown up and I enjoy visiting them in Berlin and Barcelona. Home life involves long country walks, good food, wine and music.

GDC registration number- 3313

Dental Hygienist

Danielle Owen - Dental Hygienist *

I qualified in 2005 from The Defence Dental Services school of dental hygiene Aldershot.

I served in the RAF both in the UK and abroad as a dental hygienist and then returned to general practice where I have worked ever since.

Patient motivation, education and encouragement are a real focus for me and am very passionate about helping patients make changes to their oral health.

I have 3 children and away from work I love taking long walks and enjoy being surrounded by nature.

GDC registration number- 6646

Dental Hygienist

Magda Hirst - Dental Hygienist *

I graduated as a dental hygienist in August 2022 from The University of Essex. I originally came from Poland and I have lived in UK since 2011.

I am very passionate about the prevention of tooth decay and periodontal disease. Additionally, I find it very rewarding helping patients with dental anxieties.

Also, I put great attention into educating my patients about their oral health and their individual home care routine.

In my free time I enjoy gardening, reading books, cycling and spending time with my family and friends.

GDC registration number- 273202

Natasha Smith

Natash Smith - Practice Manager *

Natasha Smith qualified as a dental nurse in 2001 with the National Examining Board for Dental Nurses. Over the years Natasha has gaining extensive experience and has now progressed on to a managerial role.

Natasha aims to facilitate the smooth running of the practice and to ensure that patients are cared for and served to the highest standards.

Dental Hygienist

Mihaela Stanciu - Treatment Coordinator *

Mihaela graduated with a degree in Economics in Romania. Since moving to England, a change in career pathways resulted in her qualifying as a dental nurse in 2013. After joining the practice, Mihaela has progressed to become a Treatment Co-ordinator.

This role is to bridge the gap between the dentist and patient, providing complimentary appointments to discuss treatments available and any concerns patients may have.

* Associates at the practice are self-employed, independent contractors and personally responsible for treatment they provide.