Our Dentists

Dedicated, Gentle and Professional

We have handpicked a team of the most ethical, gentle, knowledgeable and professional group of dentists in Brisbane. Our Chermside Dentists strive to be better, working with each other and going through patient cases on a daily basis. Together, they are meticulous to a fault, gentle beyond belief and driven to provide quality dental treatment at a level you would want for your own children.

  • Dr. Manfred (Fred) Lagemann

    Dr. Manfred (Fred) Lagemann

    Principal Dentist

    Dr. Fred is passionate about providing high quality dental care for his patients. Growing up in Brisbane, Fred has many ties with the local community.

    He has been looking after our patients since 2012 and is loved by his patients for his down to earth nature and painless dental work.

    Fred graduated with a Bachelor of Dental Science with Honours from the University of Queensland. Fred has a real love for dentistry, and has also completed a post-graduate Masters in Clinical Dentistry in Dental Implants from Griffith University in QLD.

    Fred is particularly interested in implant dentistry, cosmetic dentistry and wisdom teeth extractions. Outside of clinical work, Fred has a keen interest in research, currently working on a thesis literature review. He is also a published research author, with original research in the Australian Endodontic Journal. Please see the link here if you’d like to read the article. 

    Fred is well respected for his drive for perfection with every patient. Most recently, Dr. Fred spent 2 weeks in Cambodia providing dental care to the nation's most needy. Recently completing his Masters, Fred is looking to continue taking opportunities to learn in other areas of dentistry. 

    He is a gentle principal dentist and along with our other dentists, provide a great service to our lovely patients.

    Dr. Manfred Lagemann BDSc (Hons) MClinDent (Implants)

  • Dr. Gary Chun

    Dr. Gary Chun

    Senior Associate Dentist

    Dr Gary has been the senior associate dentist at Chermside Dental for over 12 years and is a past clinical supervisor at the University of Queensland. Gary is a wealth of dental knowledge and a calming presence at the practice. Moreover, Gary is well known for his sense of humour and gentle touch.

    Gary has a keen interest in dental sleep appliances including SomnoMed, cosmetic dentistry and overall thoroughness and attention to detail. Gary also provides sedation dentistry using happy gas for his more anxious patients.

    Gary is a dedicated family man, with a lovely wife and two children and spends the majority of his time outside of work with them.

    Dr. Gary Chun BDSc (UQ)

  • Dr. Andy Tsai

    Dr. Andy Tsai


    Dr Andy is a meticulous and kind dentist who is committed to his role in helping others. Never missing a beat, Andy a highly professional and ethical dentist who prides himself on technical dental excellence and gentle dentistry.

    Andy graduated from the University of Queensland with Honours was also a supervisor for the 3rd and 4th year dental students. He has a fantastic knowledge of the latest dental research and procedures.

    Andy regularly attends dental conferences and seminars to keep up to date with the latest information for his patient’s benefit. Most recently he attended a full week refining the latest and greatest prosthodontic techniques in Sydney with Australia’s foremost Prosthodontists.

    Outside of work, Andy loves to go fishing more than anything in the world.

    Dr. Andy Tsai BDSc (Hons)

  • Dr. Tim Fong

    Dr. Tim Fong


    Tim is a University of Queensland trained dentist with many years of experience. He has a loyal following of patients who value his technical excellence, thoroughness and sense of humour.

    Tim has a wide-ranging interest in dentistry including preventative care, crown and bridge work and surgical procedures. Tim is well liked by his patients for his high quality work and gentle nature.

    Outside of work, Tim enjoys spending time with his wife and family.

    Dr. Tim Fong BDSc (UQ)

  • Mrs. Rebecca McNaught

    Mrs. Rebecca McNaught

    Oral Health Therapist

    Rebecca is a long-standing and much loved member of our dental team. Qualified with a university degree in Oral Health Therapy, Rebecca is specifically trained in all aspects of maintaining a healthy mouth and gums. We ask people to see Rebecca when we feel they need a little extra help with tooth cleaning or thorough scaling. She is particularly popular because of her gentle approach and thoroughness.

    Rebecca is an invaluable part of our Chermside Dental team.

    Rebecca will treat our children for their regular checkups and cleans, as well as treating gum disease for our adult patients.

    Rebecca works Mondays and Fridays and one Saturday a month.

    Outside of work, Rebecca has a large family with young children and spends much time with them.

    Mrs. Rebecca McNaught B App HSc Oral Health

  • Dr. Tony Cheng

    Dr. Tony Cheng


    Tony is an experienced and highly competent dentist. A current dental supervisor at the University of Queensland, Tony is also studying to be a medical doctor at UQ.

    Due to his busy schedule, Tony exclusively works with us on weekends, helping out our patients from both a dental and surgical aspect.

    Tony has a particular interest in oral surgery and cosmetic dentistry. Tony is loved by his patients for his sense of humour and knack for making them feel at ease. Tony is a member of the Australian Dental Association.

    Dr. Tony Cheng BDSc (UQ)

  • Dr. Colin Harfield

    Dr. Colin Harfield

    Associate Dentist

    Colin treats all of his patients with absolute care and perfection. Known for his thoroughness and sense of calm, Colin is a valued member of the Chermside Dental Care team. Colin helps us out on weekends and is loved by his patients and assistants alike.

    Colin enjoys both the preventative and surgical side of dentistry, with a keen interest in complex extractions and wisdom teeth. Colin's cosmetic dental work is absolutely stunning and never misses a beat.

    Outside of work, Colin is a busy man, currently renovating his home. Colin spends his spare time at the gym, playing computer games and learning Brazilian Jijitsu.

    Dr. Colin Harfield BDSc

  • Dr. Stefan Vidimce

    Dr. Stefan Vidimce

    Associate Dentist

    Stefan is a valued member of our team, bringing his sense of absolute calm to our patients on weekends.

    Stefan has an undergraduate degree in Biomedical Science following which he completed his doctorate in dental training at the University of Melbourne. His interests include aesthetic dentistry, crown and bridge, wisdom tooth extractions and implant surgery.

    Stefan has a keen eye for detail, always striving for excellence in his work. Patients love his easy-going personality, integrity and professionalism. 

    Dr. Stefan Vidimce BBiomedSc DDS(Melb)

  • Dr. Evelyn Ong

    Dr. Evelyn Ong

    Associate Dentist

    Dr. Evelyn is one of our lovely dentists here at Chermside Dental and has lived and worked locally for many years. Evelyn graduated from the University of Queensland with a Bachelor of Dental Sciences degree. She is a member of the Australian Dental Association, regularly attending professional development courses and education seminars to keep up to date with changes in the profession.

    Evelyn is passionate about her dentistry and focuses on a holistic approach to patient treatment, with emphasis on preventative dentistry. Evelyn also takes special interest in treating young children. A common goal Evelyn strives to achieve with her patients is to help them maintain healthy smiles for life.

    Lately, Evelyn has been spending a significant amount of time on her weekends attending continuing professional development courses on Sleep Apnoea. 

    Outside of dentistry, you will find Evelyn spending quality time with friends and family.