From Ferguslie Park to practice pioneer
In the landscape of modern dentistry, professional trajectories are frequently charted through a clean, linear succession of milestones; undergraduate study, formal clinical placements, associate positions and eventual practice ownership. Yet, the most profound impacts on patient care and professional standards often emerge from far less conventional beginnings.
For Lisa Barrett, Founder and Owner of Dental Therapy, located in Glasgow Airport Business Park, the path to clinical excellence was forged not in an ivory tower, but through sheer determination, transformative mentorship and an unyielding commitment to lifelong learning.
Growing up in Ferguslie Park, an area of Paisley marked by significant socio-economic deprivation, Lisa initially saw higher education as a distant, almost unreachable, prospect. “When I was at school, I didn’t have a clearly defined career plan,” Lisa recalls. “University or a long academic pathway wasn’t something that felt accessible at that stage. I just wanted to leave school and earn money.”
Building Dental Therapy Paisley was one of the most ambitious periods of my career
The pivotal first opening came via a newspaper advertisement for a trainee dental nurse at Neilston Road Dental Group. It was here that she met Gordon Matthew, the Principal Dentist who would become her first mentor and lay the groundwork for her ambitious career.
“Gordon gave me that first opportunity and trained me. I couldn’t have appreciated then how significant his influence would be on my career,” Lisa reflects. “Gordon saw potential in me before I recognised it myself. He showed me what good dentistry could look like, encouraged me to want more from myself professionally and demonstrated the difference investing in another person can make.”
Under the guidance of Lorraine Keith at Reid Kerr College, Lisa earned her National Certificate in Dental Nursing. Far from satiating her curiosity, this initial qualification ignited an appetite for education. Working full-time, she dedicated her Saturday mornings to completing an Oral Health Educator course at Langside College. When Glasgow Dental Hospital and School subsequently launched Scotland’s inaugural Dental Hygiene and Dental Therapy Diploma, Lisa recognised an opportunity to expand her clinical scope and successfully applied.
Lisa’s academic progression reads like a rich tapestry of recurring figures and full-circle moments. During her therapist training, she was once again reunited with tutor Lorraine Keith. Another key figure, she instilled foundational standards that Lisa maintains to this day. “Miss McCleary, another hugely influential tutor, set standards so high they’re now embedded in the way I practise and what I expect of those I teach,” said Lisa.
Years later, when Lisa returned to academia to pursue a Master’s degree in Oral Health Science, she found herself being taught once more by Miss McCleary, now Mrs Gunn. “Being taught again by someone who’d shaped me as a young clinician, this time as an experienced practice owner, felt special,” Lisa reflects. “My career seems to contain quite a few of those circles.”
After qualifying as a dental therapist in 2005, Lisa undertook vocational training alongside prominent figures in Scottish dentistry, including Michael Tang, Abdul Harlem, Sheila McIntyre, Doreen Corewyn and Colin Burns. This intense training period allowed her to consolidate her clinical skills and establish her professional identity. Staying on as an associate with Doreen and Colin, Lisa gained the clinical confidence that ultimately propelled her into leadership.
The turning point in her career arrived when Doreen presented her with an extraordinary offer; to buy into the practice as an equal business partner.
“Practice ownership had felt much further along the road. Doreen effectively gave me the ladder to reach it,” Lisa said. “Becoming a partner changed my understanding of dentistry. I wasn’t only responsible for the patient in my chair anymore, I was learning leadership, finance, compliance and everything else behind excellent clinical care.”
When Doreen retired, Lisa purchased the practice outright, completing a remarkable transition from trainee nurse to associate, partner and then sole practice owner. However, true to her nature, standing still was never an option. She expanded her skill set into facial aesthetics, phlebotomy and advanced composite dentistry, securing a coveted spot on Viktor Shcherbakov’s famed Mastering Composites course.
Concurrently, she embarked on her Master’s degree in Oral Health Science while establishing a skin clinic and embarking on her most daring venture yet; building Dental Therapy Paisley from the ground up as a new squat practice.
“Building Dental Therapy Paisley was one of the most ambitious periods of my career,” she admits. “At the time I was working clinically full-time, running Dental Therapy Mosspark, completing my master’s, being a wife and mum and, somewhat unexpectedly, acting as site manager for a new practice build.”
Lisa handled everything from planning permissions and building warrants to health board approvals and clinical layout design. Her goal was clear – to prove that a therapist-led practice could set gold-standard benchmarks in clinical governance and patient care.
In another poignant twist of fate, Lisa brought her career full circle by recruiting Gordon Matthew, the dentist who had first hired her, to provide prosthodontic care at Dental Therapy Paisley. “Having Gordon on the Paisley team means a great deal, given he was the person who first gave me an opportunity in dentistry,” said Lisa.
Advocating for NHS reform and direct access
Beyond her clinical and business achievements, Lisa has emerged as a passionate advocate for systemic reform within Scottish dentistry. A central focus of her advocacy is expanding patient access through the full utilisation of dental therapists within NHS general dental services.
While Lisa operates a seamless direct-access model in her private practice, where patients see therapists directly and are referred to associate dentists as needed, the administrative and contractual rigidity in Scotland prevents NHS patients from benefiting from similar efficiency of care.
“The frustration is that we can’t properly replicate that model within NHS general dental services in Scotland,” said Lisa. “England has gone further, changing its NHS systems to let dental therapists and hygienists provide direct-access NHS care within their scope. Scotland hasn’t made equivalent progress and I think that’s an unnecessary barrier to patient care.
“This isn’t about therapists replacing dentists; quite the opposite. The future lies in genuinely multidisciplinary teams where every professional can practise to the top of their training and scope.”
Lisa welcomes recent advancements, such as updated medicines legislation that allows trained hygienists and therapists to work under exemptions for local anaesthetics and fluoride treatments. However, she urges Scottish policymakers to establish mechanisms that permit dental therapists to provide NHS care directly and be properly recognised within the NHS claiming system.
Fostering the next generation
As Lisa looks toward the future, her focus is shifting increasingly toward educational mentorship and therapist vocational training for emerging clinicians. Her ultimate ambition is to cement Dental Therapy as a nationally recognised centre of excellence for clinician development. “I want newly qualified therapists to consolidate their skills with real mentorship, where asking questions is welcomed, standards are uncompromising and learning is part of the culture, not just something confined to mandatory CPD,” she said.
Reflecting on the network of mentors who shaped her own journey and acknowledging the steadfast support of her husband and brother – who undertook the conversion of the previously open plan space into a clinic with a welcoming reception area, three surgeries, decontamination room, staff room and storeroom – and her deep faith, Lisa views her work not simply in terms of practice expansion, but in human impact.
“I’d rather be known for the standard of what we do, and if someone who started their career with us said in 20 years that something they learned here shaped the clinician they became, I’d count that among my greatest achievements.”
