About us

Dr Justin Kabir BDS (Otago)

Mapua and Stoke

Justin is returning back to Nelson after his time in Auckland mainly focusing on cosmetic dentistry and Invisalign. An Otago graduate and originally from Christchurch he has developed advanced skills in aesthetic (Invisalign and Digital Smile Design), rehabilitative dentistry (rebuilding acid damaged and worn teeth with veneers, crowns and implants) and complex root canal treatment. He has attended advanced training courses in Australia and Canada, taking on interest in Orthodontics and straightening teeth with Invisalign clear aligners or traditional braces.

Justin’s focus is on providing a warm, welcoming and pain-free dental experience. As a gentle clinician his aim is to form a close relationship of trust, respect and high standard of dentistry for both young and old. He prefers to take his understanding your expectations, fears and concerns and working together as a team to achieve your goals – whether it be a simple filling, straightening your teeth or a smile makeover!

Outside of  work, he is a keen outdoorsman – trying to do as many hikes as he can. His love for the outdoors majorly influenced his decision to leave Auckland and return back to Nelson and he’s absolutely thrilled to have all these trails so close to him again!

Dr Mat Elmhirst BDS (Sheffield, UK)


Mat brings a wealth dental knowledge to One Dental.  Originally trained in Sheffield (UK), Mat has worked in England, Scotland, the Shetland Islands and in Doncaster.  He then moved to New Zealand and has spent the past 20 years in here, mostly in our fabulous Nelson region.

Mat has an interest in restorative dentistry, building new teeth from broken down ones, using resin based aesthetic materials.  Dentures and teeth replacement is also an area he is particularly interested in.  

Outside of work Mat loves growing food, beekeeping, brewing and anything that involves being outdoors.


Dr  Meor Ishak BDS (Adelaide, AUST), FICOI, FICD


Meor graduated BDS (Adelaide, Australia) in 1997 and is a fully registered dentist in Malaysia, Australia and New Zealand. He has gained extensive experience in general dentistry in a career which includes roles as hospital dental officer, clinical tutor, private practitioner and voluntary community dentist.

He was conferred Fellow of the International College of Dentist (FICD) in 2013 and Fellow of the International Congress of Oral Implantologists (FICOI) in 2015.

Throughout his career, Meor has developed strong advanced clinical skills in general and cosmetic dentistry, taking on particular interests in CAD-CAM digital dentistry, aesthetic tooth-colored restorations, oral surgery and dental implants.

Known for his friendly, gentle and meticulous manner, Meor believes in  delivering high standard dentistry while providing a pleasant and satisfying experience for his patients.

Meor moved to New Zealand with his family in 2018 working as the lead senior dentist in Westport before settling in Nelson. In his spare time Meor enjoys music, books, sports and the outdoors.


Dr Sarah Kueh BDS (Otago)

Mapua and Stoke

Sarah is originally from Malaysia and has completed her Bachelor of Dental Surgery degree at the University of Otago. She is passionate in providing warm, gentle and patient-centred dental care. She knows that going to the dentist can be scary sometimes so she always tries her best to help patients overcome their dental fears. She believes in life-long learning and is enthusiastic towards improving her quality of care. She enjoys all aspects of dentistry with a special interest in restorative dentistry. Apart from work, she loves spending her free time going to the beach and exploring sunny Nelson.


Dr Siemin Theis DDS (Mainz, Germany)

Stoke and Mapua

Siemin achieved her Doctorate degree in Dental Surgery in 2004 in Mainz, Germany.

After working in several private dental practices in southern Germany, she went on to lead her own practice for 10 years.  Continuously gaining advanced training in cosmetic, endodontic and complex restorative treatments (prosthodontics), such as full mouth restoration,

Siemin has a true passion for working with people.  With her warm, gentle approach she ensures patients feel comfortable and understood, whilst providing the highest level of care and respect.

She enjoys all areas of general dentistry, but has a passion for creating beautiful smiles and helping patients achieve the healthy mouth that they have always dreamed of.

Siemin recently moved to Nelson with her husband Richard and their young son Eric.  They are ecstatic to be in New Zealand, where they plan to spend time as a family and hope to achieve the work-life balance that is so elusive in Germany. 


Dr Nicky Francis BDS BSc PGDipSci (Otago)

Stoke and Mapua

Nicky Francis has just returned to Nelson and is excited to be joining One Dental.  Nicky is an ex Hampden Street School and Nelson College for Girls student.  She has spent time in the North Island before coming to her senses and returning to Nelson.  With 20 years experience as a Dentist Nicky has initially worked in Waikato Hospital and subsequently owned two practices in the Bay of Plenty for the past 15 years.  Nicky is known for being gentle and caring.

Nicky loves being in the great outdoors where you will find her running, biking and paddle boarding with her husband Paul and furbaby Kaiya the dog.

Michelle Johnstone – Oral Health Therapist and Hygienist

Mapua and Stoke

After graduating from Dental Therapy at Otago in 1999, Michelle worked in public health for 3 years in Canterbury and Otago, treating children from 2 to 12 years of age at the School Dental Service.
After 2 years working and travelling in Sydney and Canada Michelle returned to South Australia where she studied whilst working for the SA Dental Service.
Michelle completed her Advanced Diploma in Dental Hygiene in 2009 and commenced work at a busy Dental Partners practice in the Clare Valley. Here she gained 6 years of invaluable experience working as a dental therapist and dental hygienist for a large group of happy patients. Michelle brings her friendly nature and professionalism to offer each patient the best dental experience possible.

Stoke Location

Mapua Location

575 Main Road Stoke Nelson

Mapua - One Dental

66 Aranui Road


Tasman 7055