Welcome to Alda Dental Surgery @ Bedok

Your Family Friendly Bedok Dental Clinic

The Dental Clinic and Surgery has recently changed its name to Alda Dental Surgery (Bedok), which also owns another clinic in Tanglin Halt area for the past 18 years.

We’re very happy to be of service to the community in Bedok, and strive to be the preferred Bedok dental clinic.

Dr Ong Siew Lan, the original owner of The Dental Clinic and Surgery is still practicing in Alda Dental Surgery ( Bedok) together with Dr Ma Ha Ni Tun.


To be the dental clinic of choice in providing gentle, caring and affordable treatment options for the family.


Our aim is to provide our patients with the highest standard of care, comfort and affordability while helping them maintain their oral health.

We want everyone to have a set of pearly white teeth to smile with and eat with for life.

Why Us

Experienced Dentists

Our dentists have more than 29 years of experience.

Convenient In-House High-Tech Equipment

We have digital X-ray machines and intra-oral cameras in the dental clinic.

We Help Patients Overcome Fear

Friendly and caring dentists with excellent bedside manners reassure patients young and old.

bedok dental clinic

Three Generations of Patient Satisfaction

Families bring their children, who in turn bring their kids when they become parents.

Our Services

At Alda Dental Surgery, we offer a wide and exhaustive range of dental services. If you are looking for a dentist to treat your gum disease problem, deliver children dentistry, or even dental crowns and bridges to give you that dazzling smile you’ve always wanted, you’ll find all the services you need right here at Alda Dental Surgery @ Bedok.

  • Home visits for the elderly
  • Children dentistry
  • Oral screening for tooth decay, gum disease and cancer
  • Digital X-Rays
  • Scaling and polishing
  • Periodontal (gum) treatment
  • Tooth extraction
  • Wisdom tooth surgery (Medisave claimable)
  • Root canal treatment
  • Orthodontic treatment (metal / ceramic braces)

  • Invisalign orthodontic treatment (invisible braces)
  • Fillings
  • Full & partial dentures
  • Crowns and bridges
  • Dental implants (Medisave claimable)
  • Splint (night guard)
  • Sports guard
  • Teeth whitening
  • Dental veneers
  • Removal of white spots after braces

To ensure your safety, we require the mandatory use of disposable gloves and masks for dentists and protective eyeglasses for all patients. We adhere to a system of rigorous and stringent infection control procedures. All instruments and hand pieces are autoclaved utilising the latest sterilisation technology, and many of our supplies are single use only. You can be assured that no one will be sharing his or her germs with you.

Meet Our Dentists

Dr Ong Siew Lan

Dr. Ong Siew Lan

Dr. Ong Siew Lan graduated from NUS with a B.D.S.(S’pore)and has been practising dentistry for 29 years. She enjoys treating young and old patients who need braces, implants, dentures and general dentistry.

In her free time she enjoys travelling, reading, gardening and sewing.

Dr. Ma Han Ni Tun

Dr. Ma Han Ni Tun received her Bachelor of Dental Surgery (BDS) from the National University of Singapore in 2014. Since then, she has been practicing in the government service, working with children in both KK Women’s and Children’s Hospital and at the School Dental Service, Health Promotion Board. She has had a passion for treating patients with special needs and paediatrics since her undergraduate days. In 2018, she decided to leave the government service for the private sector.

In her spare time, she enjoys outdoor activities and travelling.

Contact Us

We’d love to hear from you! Please contact us if you have any
queries or would like to make an appointment.


We are Medisave accredited. You can also pay using your Child Development Account (CDA) under the Baby Bonus scheme. Alternatively, you can receive Pioneer Generation and CHAS subsidies if applicable.