CAS Dental Lab has been in existence since 1987. CAS Dental is a family run practice with a warm and inviting atmosphere. It became CAS Denture Clinic when Colum was accepted on to the Register of Clinical Dental Technicians with the Dental Council of Ireland in 2008.
Clinical Dental Technicians
Colum Sower: Principal CDT
Nicole Colton: Associate CDT
Bogdan Tsukanov: Associate CDT
Colum Sower Dip CDT Royal College of Surgeons(UK). DD Toronto. Hon FCGDent
Colum Sower graduated from George Brown City College Toronto with an advanced Diploma in Denturism in 2007. In 2008 Colum graduated from the Royal College of Surgeons (UK) with a postgraduate Diploma in Clinical Dental Technology. He was among the first cohort to reach this level in the UK and Ireland. When the register for Clinical dental technicians was opened by the Dental Council in Ireland, Colum was one of the first accepted on the register. Colum was awarded in 2024 an honorary fellowship of the College of General Dentistry UK. He was delighted to be inducted into the Brotherhood of Sterkenburger for his services to the Denturist profession world wide.
He is currently the Irish representative to the International Federation of Denturist and serves on the European committee.
Colum continues to update his skills and education to ensure you are treated to the best possible care and are one of the forerunners in digital denture workflow in Ireland
Nicole Colton CDT
Nicole graduated from the Dublin Dental University Hospital, Trinity College in 2014 with an honours degree in Dental Technology. She worked in three private prosthetic laboratories before joining the team at CAS Denture Clinic in 2015, where she developed extensive knowledge and skills in the prosthetic field. Continuing her professional development, she later returned to the Dublin Dental Hospital and completed a Postgraduate Diploma in Clinical Dental Technology at Trinity College Dublin in 2019.
Nicole is dedicated to helping patients restore their smiles, comfort, and confidence through high-quality denture care. With added training in modern prosthetic techniques, specialising in the design, fabrication, and fitting of full and partial dentures tailored to each patient’s unique needs. Taking a patient-centred approach, she carefully assesses oral health, facial structure, and individual features to create dentures that look natural and function comfortably. Committed to ongoing learning and excellence in care.
Bogdan Tsukanov CDT
Bogdan holds a Bachelor’s degree in Dental Technology (2014) and a Postgraduate Diploma in Clinical Dental Technology (2020) from Trinity College Dublin. He joined the practice in February 2025.
With extensive experience in prosthetics, orthodontics, and crown and bridge work, Bogdan brings a strong technical and clinical skillset to patient care. He has also completed additional postgraduate diplomas in Neuroscience and Clinical Education, reflecting his commitment to continuous professional development. Bogdan is passionate about his work and is dedicated to restoring patients’ function and confidence through a thoughtful, patient-centred approach. He treats every case with empathy, care, and attention to detail to achieve the best possible outcomes.
Originally from Ukraine and raised in Dublin, Bogdan is bilingual and fluent in both Russian and English.
Practice Manager/Accounts Manager, Director and Secretary of CAS Dental for last 18 years. Came originally from a legal background. Was PA for Managing Partner of BCM Hanby Wallace for 8 years. Gained experience dealing with clients/customers on a professional and personal level, while working in conveyancing and probate. Have done courses in secretarial, bookkeeping, computers and management. Travelled to the USA and obtained 5 years experience working for three attorneys in Kemper Insurances, California. Gained experience in workers compensation and criminal law. I now work in CAS Dental as Practice Manager.
Deirdre Sower: Practice Manager
Dental Laboratory Team
Fergal Sower: Laboratory Manager/Dental Technician
Harumi Oshima: Dental Technician
Marija Gelazauskaite: Dental Technician
Odhran O’Donnell: Trainee Dental Technician
Fergal Sower, Laboratory Manager/Dental Technician
Fergal Sower is a Dental Technician. Fergal is also the Lab Manager for CAS Denture Clinic of 61/62 Patick Street, Dublin 8. Fergal joined the team in September 2020. Fergal graduated as a Dental Technician in 2024 from Cardiff Metropolitan University, Cardiff, UK. Fergal is very proficient at his work and enjoys the day to day challenges to bring the dentures to their final stage. He is very knowledgeable in CAD/CAM and has been designing dentures with the Exocad software for over 4 years, and printing dentures with, and testing the new Vita print resin for over a year.
Marija Gelazauskaite, Dental Technician
Marija Gelazauskaite is a Dental Technician and has been working with CAS Denture Clinic since September 2024. Marija qualified as a Dental Technician in 2021 from Riga First Medical College of the University of Latvia. Marija is fully competent with 3D designs which includes the designing and printing of a denture. She is very organized and proficient in all aspects of dentures to include the final stages of polishing and finishing of the dentures. Marija enjoys the more difficult aspects of cases and always succeeds. This helps her to progress as a technician and helps patients to be happy with their smiles.
Harumi Oshima
Harumi moved to Ireland in 2013, having studied and worked in different fields in Brazil and Japan. Here, she discovered a passion for dental technology and, in 2022, graduated with distinction as a Dental Technician from the Dublin Dental University hospital, Trinity College. She joined CAS Denture Clinic in 2024.
Odhran O’Donnell
Odhran joined the CAS team in 2023. He has been a great addition to the Lab. He has 2 years previous experience with sales and customer care before he joined the team. He now works in our lab and is responsible for the day to day running of the 3D printers and also the smooth running of the plaster lab.
Deirdre Sower: Practice Manager
Jordi Wortmann: Receptionist
Mollie Hempenstall: Receptionist
Front Office Team
Jordi Wortmann, Receptionist
Front of House Receptionist for the last 2 years, Jordi originally came from an acting background. Studying in Bray, he moved to Dublin from Wexford. He has gained experience in the service industry for over 3 years. Jordi joined CAS Dental in 2024 and is here to be a smiling face and a friendly voice when you walk in the door.
Mollie Hempenstall, Receptionist
Mollie Hempenstall joined the CAS Team in September 2025 as our Front of House Dental Receptionist. She has been a lovely asset to the Company. She is a local Liberties lady and comes from a medical background qualifying in Level 5 Health Care. She has worked in The Mater Private Hospital and The Rotunda. Her empathy for patients can be seen on a daily basis with our patients. She is highly skilled in administrative skills.