Bringing a glow to your smile

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Dr Lisa Tan
B.D.S. (Singapore), M.Sc. Endodontics (London), F.A.M.S. (Endodontics)

Dr Lisa Tan graduated from the National University of Singapore in 1996. She went to Eastman Dental Institute in London to obtain MSc in Endodontics in 1999. After graduation, she worked in the National Dental Centre from 1999 to 2005 before leaving for private practice. She now works in a group practice and teaches in the University as a part-time tutor.


Endodontics is a specialty in dentistry concerned with preservation of a diseased tooth. When experiencing a severe toothache, the drastic option is to have the offending tooth extracted. However, if it can be restored, one should consider root canal therapy to clear up the infection of the tooth's pulp and thereby stop the pain. The tooth may then be restored with a crown or simple filling depending on the circumtance.

The use of an endodontic microscope helps the endodontist find tiny/hidden canals and increases the success of root canal treatment dramatically.

Certain times, one faces the challenge of a previously root canal treated tooth that has sustained a reinfection. Modern endodontic techniques gives us the opton of retreating such a tooth with a few modalities, one of which includes microsurgery targetting directly the infection site.