Device technique of Philips zoom 3 works on stimulating the bleaching material which is applied on teeth Which is mainly composed of a hydrogen peroxide compound with its gelatinous nature (gel) When this compound dissociates during the chemical reactions and by Philips zoom stimulation technique. As oxygen elements get through microscopic pores in the enamel and dentin layer, it bleaches the colored materials existing inside the teeth pores Therefore bleaching process is accomplished without touching tooth structure. 

 

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