Colin Caster qualified as a Dental Technician in 1980 and worked in the Oral Surgery Department at Middlesbrough General Hospital. 
He later moved to Newcastle Dental Hospital in 1981 and took advanced qualifications in prosthetics, crown and bridge and maxillo facial technology.
In 1986 Colin left Newcastle Dental Hospital to set up A-line Dental Services and expanded the laboratory to be the largest independent dental laboratory in the north east. A-line Dental Services has always kept up-to-date with the latest technologies and advances in dentistry. It was also the first laboratory in the UK to be ISO registered and one of the first to introduce all ceramic crowns and digital technology.
