Handside Dental Surgery
178 Handside Lane, Welwyn Garden City, Hertfordshire AL8 6SZ
Tel: 01707 323250    Email: reception@handside.com
178 Handside Lane, Welwyn Garden City
Hertfordshire AL8 6SZ
Tel: 01707 323250
Email: reception@handside.com

Meet the Team


Catherine Good

BDS (Lon) 1988

Catherine GoodPrincipal Dentist
GDC Registration Number 63979

After qualifying in December 1988 Catherine returned to her home town and started work at Handside Dental Surgery as a full time associate. Handside Lane is a four surgery practice together with hygienist facilities and on site laboratory. After 3 years Catherine then became a partner and in 2015 became the owner and Principal Dentist.

Catherine specialises in being a family dentist and has celebrated over 25 years at the practice. She now works full time at the practice where she provides NHS, Denplan and Private dental services with her associates Miss Geneen, Mr Raja and Mr Banerjee and manages the team of in house specialists providing reconstructive, cosmetic, periodontic and endodontic services.

Catherine comes from a family of dentists; Brother John is a Consultant specialist prosthodontist-in private practice in Sloane Square John has many years of teaching young post graduate dentists at the Eastman Dental Hospital, London. Sarah, sister, a consultant orthodontist at Kings College Dental Hospital and in private practice on Harley Street  and sister-in-law Kim Piper - Professor in Oral Pathology at the Royal London Hospital. She therefore has a network of leading dental contacts in addition to the specialists that work within her practice that she can call upon when the need arises.

Catherine prides herself in her patient care and providing a high quality dental service to all members of the family from babies to grandparents and is now able to provide a complete range of dental treatments in house.

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Rumit Raja


Rumit RajaDentist
GDC Registration Number 79273

Rumit has worked in General Dentistry for many years, primarily in Hertfordshire and so brings a wealth of experience from this. He has an interest in oral surgery, cosmetic and children's dentistry. He previously worked part-time in the Community Dental service, working with children and special needs patients. He is therefore great with nervous patients and can work with you to achieve the smile you want. He is Invisalign, Quick Straight Teeth and Inman aligner certified and can provide snoring appliances. He has previously taught Dentistry at King's College London and worked in healthcare consulting. In his spare time he likes travelling and doing scuba diving, skiing and tennis.

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Sara Geneen

BChD (Leeds) 2001 MFGDP

Sara GeneenDentist
GDC Registration Number 79291

Sara graduated from Leeds University in 2001 and immediately started working in Hertfordshire and in 2003 joined Handside Dental Surgery as an Associate Dentist.  Sara undertook a post-graduate course and obtained her Membership of the Faculty of Dental Practitioners. She has also undertaken the General Practice Training course where she attended weekly lectures and spent time shadowing hospital specialists.

Sara loves working in Welwyn Garden City and in a family based dental practice. "It’s nice to have been working at the same practice where I’ve seen the children grow up and some of them even go on to do dentistry themselves! " said Sara.

Sara is attending the core courses within the Continuous Professional Development program for dentistry. She enjoys general practice, working with all age groups and being able to provide a wide range of treatments depending on her patients’ need.

She is also interested in the broad spectrum of dental care including restorative work, paediatric dentistry and root canal treatments.

In her spare time, Sara enjoys tennis, swimming and travel. She particularly loves cooking and is always busy in the kitchen entertaining friends and family, and her children.

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Dr Prasanta K. Banerjee


Prasanta K. BanerjeeDentist
GDC Registration Number 79461

Dr Prasanta K. Banerjee is a young enthusiastic dentist that has been practicing since 2001. After having graduated from Sheffield Dental School, he went on to complete vocational training and also general professional training. Having worked in the department of Oral Surgery in the Derbyshire Royal Infirmary he went on to achieve his MFDS.

Prasanta is a local dentist having already worked in Milton Keynes for several years; he has developed a good rapport with a diverse patient demographic. He has also worked abroad both in South Africa and Australia which has given him varied experience.

Prasanta is very dedicated to his job and is continuously developing his professional training in other fields. After having formalized his training in cosmetic dentistry, Dr Banerjee has experience in tooth whitening, facial rejuvenation and advanced crown and bridge treatment. Dr Banerjee also has experience in Invisilign, a novel new way in invisible teeth straightening.

Prasanta has recently completed a postgraduate certificate training in dental education.

In his spare time he spends time with his family and enjoys playing indoor football and squash and has a fine taste for Japanese Cuisine.

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Dr Assif Ahmed

BDS (Lond) MFDS RCS (Eng) MClinDent (Prosthodontics) MPros RCS Edinburgh

Dr Assif AhmedSpecialist in Prosthodontics
GDC Registration Number 80970

Assif is our resident specialist in restorative dentistry and prosthodontics.

Assif qualified from the Royal London Hospital in 2002. After completing vocational training he gained experience as a Senior House officer in Oral and Maxillofacial surgery throughout the hospitals in Hertfordshire, including the QE2 Hospital, Welwyn Garden City. During that time he successfully gained Membership of the Royal of Surgeons of England in 2004.

Assif entered specialist training in Prosthodontics at Guys Dental Hospital in 2004. During that time he completed a Master in Clinical dentistry with his research area focusing on tooth wear and the effects of acids in the oral cavity. Also during that time in 2008 he was selected by the International College of Prosthodontics for their mentoring program as one of the leading young Prosthodontists internationally.

Throughout his career, Assif has been fortunate to be personally taught by some of the best clinicians both nationally and internationally. His particular interests are in aesthetic and implant dentistry as well as complex full mouth rehabilitations, retreatment of failing dentistry, tooth wear and bite problems as well as complete or partial dentures.

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Dr Navidah Chaudhary

BDS (Sheffield) MJDF RCS (Eng) MClinDent (Periodontology) MPerio RCS Edinburgh

Dr Navidah ChaudharySpecialist in Periodontics
GDC Registration Number 83715

Navidah is our Specialist Periodontist.

She graduated from the University of Sheffield in 2004 before completing a year of vocational training in the Community Dental services (CDS). Following this she remained within the CDS and developed her skills further including carrying out minor oral surgery, exodontia and restorations under general anaesthesia. She also sat and passed the MJDF examination at the Royal College of Surgeons of England. Navidah then went on to work in general practice for NHS and private patients and pursued further post- graduate training and experience in periodontology completing a MClinDent in Periodontology as well as obtaining accreditation by the European Federation of Periodontology (EFP) at the Eastman Dental Hospital, London.

Navidah was appointed as an Honorary Clinical Assistant in Periodontology at the Eastman Dental Hospital which involved the teaching and training of dental hygienists and therapists. Following this she was successful in passing the specialist entry exams at the Royal College of Surgeons of Edinburgh. This enabled her to become recognised as a specialist periodontist in the U.K. Her international group research, looking at the influence and associations of cytokines (IL-6) in periodontal patients has been published in the Journal of Clinical Oral Investigations and the PLoS One peer reviewed journal.

Currently Navidah works in private practice in Central London and the Home counties where she assesses and treats patients with severe gum disease, complex medical history or problems with their dental implants. Her aim is to treat, stabilise and maintain.

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Dr Alessandro Falanga

DipDent MClinDent MEndo RCSEd

Dr Alessandro Falanga Specialist Endodontist
GDC Registration Number 82888

Alex is our resident Specialistt Endodontist having completed his specialist training in 2012 .

He achieved his first dental qualification in 2002 at the Universita Cattolica in Rome, Italy. He believes that such international learning and clinical experience enriches his work in the general dental and endodontic fields, providing him with extensive knowledge of dental techniques and technology.

Alex is a specialist in the use of endodontic techniques and procedures- root canal therapy and treatment for dental traumas. Dedicated to providing quality care, Alex’s interest in endodontic dentistry serves as a strong foundation for advancing his knowledge in dentistry and a dedication to achieve the best results for his patients. Alex has published papers on the subject of endodontics, both nationally and internationally.

Since 2004 he has worked in multiple dental practices in London and the Home Counties on a referral basis and in 2011he joined our team in Welwyn Garden City solely focusing on the subject of endodontics using state of the art Global G4 dental microscope.

Alex is an asset to our team and we hope that many of our patients will benefit from his expertise.

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Simone Cowan

Dip Dent Hygiene Lond 2004

Simone CowanBsc (Hons)
Hygienist and Therapist
GDC Registration Number 6493

Simone gained an Honours degree in Medical Microbiology in 2002 before then attending the University of London Queen Mary and Westfield where she obtained her Diploma in Dental Hygiene and Dental Therapy in 2004.

Simone is able to use her microbiology skills as well as her research background gained in the field of halitosis from her time working for GlaxoSmithKline as a research dental hygienist in her role as a specialist hygienist to the benefit of her patients.

Since 2004 Simone has been working in private practice in London and the Home Counties as both hygienist and therapist and has worked closely with a number of Specialist Periodontists and as such Simone works closely with our Periodontist Felice.

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Julie Dunham

CEB Cert in Dental Hygiene 1981

Julie DunhamHygienist
GDC Registration Number 2211

Julie began her career at Handside Dental Surgery as a dental nurse in 1978. During this time she decided that she wanted to further her career and become a Dental Hygienist. She did her training as a civilian, at the The Institute of Dental Health and Training as RAF Halton where she qualified in 1981.

She then spent the next year working as a Hygienist, in the specialised dental unit at Leavesden Hospital, providing treatment for children and adults with physical and mental disabilities.

Julie returned to Handside Dental Surgery in 1982, to provide dental hygiene services to NHS, Denplan and Private patients. She has also worked part time at six other Hertfordshire dental practices during her career.

Julie is the longest serving member of the dental team, with a career at Handside spanning over 3 decades. Julie said "It's a pleasure to still be treating many of the same patients today as I did 30 years ago".

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Call us now if you wish to book and appointment with prosthodontics in Hertfordshire. We are proud of our team as we have one of the best teams of Prosthodontics in Hertfordshire.