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About The Video
In this episode of Before & Beyond, Lee Yean introduces guided biofilm therapy, a preventive dental treatment that uses a purple disclosing agent to reveal where biofilm collects on tooth surfaces. By highlighting missed areas, patients can clearly see where brushing needs to be improved for effective plaque removal
She compares before-and-after photos from a patient over a year, showing improved cleaning but also areas still needing more attention. Lee Yean emphasises the importance of slow, gentle brushing and spending two minutes in total — one minute on the upper teeth and one minute on the lower — to achieve thorough results.
Guided biofilm therapy is a modern approach to preventive dentistry. It involves applying a harmless dye that adheres to biofilm, making plaque deposits visible. This not only helps dental professionals remove buildup effectively but also educates patients on their oral hygiene habits. By visually showing areas where plaque persists, patients become more aware of their brushing technique and can make adjustments at home.
The method is especially useful for reinforcing the importance of brushing angles and taking adequate time during cleaning. Over repeated visits, improvements can be tracked, motivating patients to continue refining their technique. Combined with regular professional cleanings, guided biofilm therapy strengthens daily oral care routines and reduces the risk of gum disease, cavities, and other complications
