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

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. Vangelis Pashourtides


Vangelis PashourtidesDentist

Vangelis is a caring ,ethical and friendly General Dental Practitioner. After graduating from Kings College London (Guy’s, Kings, and St Thomas’ Hospitals), Vangelis completed his foundation training under the East of England Deanery.  Vangelis enjoys all aspects of general dentistry and offers a broad variety of treatments in both NHS and Private dentistry, including restorative dentistry, Tooth whitening, prosthodontics, and oral surgery.

Vangelis has been awarded the post graduate diploma of Membership of the Joint Dental Faculties at The Royal College of Surgeons of England (MJDF), reflecting the developments he has made professionally. Furthermore, Vangelis is an elected member of the Hertforshire Local Dental Committee, where he regularly meets other dental professionals. 

Vangelis is married and has recently had a child. He enjoys visiting friends and family and is a keen sports fan, particularly enjoying football.

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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 Robert Ward

BDS, LDS.RCS (Eng), MSc (Periodontics)

Dr Robert WardSpecialist in Periodontics
GDC Registration Number 67854

Robert is our Specialist Periodontist.

Robert qualified at the Royal London Hospital in 1992. After a spell in general practice in Essex and Central London he completed his MSc in Periodontlogy at the Eastman Dental Institute in 1995. In 2001 he was accepted onto the General Dental Council (GDC) Specialist Register. In 2005 Robert set up a Specialist Practice in Milton Keynes and since 2014 he has been working as a Specialist Periodontist in a number of different practices in the Northern Home Counties.

Robert combines working in private practice with a role at Guys Dental Hospital, London where he lectures in Periodontology as well as helping to run Consultant Clinics. He especially enjoys supervising students in the care of their patients.

Rob is delighted to receive referrals from his colleagues and is happy to use his expertise to treat patients with all ranges of Periodontal disease.

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Mahdi Ajina

BDS (Lond) MSC

Mahdi AjinaDentist & Endodontist
GDC Registration Number 245007

Mahdi graduated from Bart's and the London School of Medicine and Dentistry and has since worked in general practice. During these years he developed a passion for endodontics (root canal treatment). This passion lead Mahdi to pursue further training in endodontics by entering a Masters course back at the dental school of Bart's and The London. Completing this course has increased his knowledge of endodontics and enhanced his skill in the area through the treatment of complex cases referred to the dental hospital. The course has also given Mahdi the opportunity to be involved in the latest advancements in the field by conducting research at the dental school. Mahdi is committed to providing high quality endodontic treatment in a relaxed and comfortable environment.

Mahdi is a member of the British Society of Endodontics and keeps up to date with the latest developments by attending events held by the society and reading their journal, the International Endodontic Journal.

Outside of work Mahdi enjoys playing sports such as table tennis and badminton, reads detective novels and takes walks in the countryside to relax.

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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 Robert Ward

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Katie Austin

Dip Dent Hygiene Lond 2004

Julie DunhamHygienist
GDC Registration Number 6597


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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.