Why should you Invisalign treatment at Denta-joy?

Why should you Invisalign treatment at Denta-joy?


Orthodontic treatment with Invisalign started in the year of 2000 in the United States. Denta-joy Dental Clinic started Invisalign treatment in Thailand since January 2001 and now is an Invisalign provider with Red Diamond Provider level, which is currently the highest level according to Align Technology Inc.


  • Top 2 in Asia Pacific
  • Top 1 in Southeast Asia
  • First official invisalign accreditation since 2001
  • The first comprehensive dental center in Thailand that has passed ISO 9001: 2015.
  • Invisalign Red Diamond Provider since 2018
  • Only Invisalign Red Diamond Provider in Southeast Asia since 2019

The clinic that provides Invisalign treatment has to be certified by Align Technology Inc. In addition, Align Technology Inc. also classifies service providers based on the number of treated cases. Currently, the highest level at this time is the Invisalign Red Diamond Provider.

Denta-joy is currently an Invisalign Red Diamond Provider. The only Invisalign Red Diamond Provider in South East Asia. Denta-joy is also the only clinic in Thailand that has been accepted by Align Technology Inc. to open the Flagship Clinic.


Dentists who provide treatment must first be trained by Align Techonology Inc. Denta-joy has a team of trained doctors led by experienced doctor, Dr. Narandr Chevangkul.

Dr. Narandr Chevangkul, graduated in dentistry from Mahidol University, First-class honor. He also studied Orthodontics at Temple University, School of Dentistry, Philadelphia, Pennsylvania, USA and in 1990 he received the Diplomate of American Board of Orthodontics, which is a great honor for orthodontists. He has been providing orthodontic treatment since 1983, and started Invisalign treatment since January 2001. Dr. Narandr Chevangkul is also part of the Invisalign Asia-Pacific Advisory Board.



  1. Diplomate of the American Board of Orthodontics
  2. Member of the American Association of Orthodontists
  3. Invisalign Asia-Pacific Advisory Board
  4. Member of theThai Association of Orthodontists
  5. Member of the Thai Dental Association