TePe PlaqSearch Two-tone disclosing Tablets - Pack 250 TePe PlaqSearch is a two-tone disclosing tablet to visualise plaque. Using a disclosing tablet which colours the plaque is a quick and easy self-check method. The great advantage of TePe PlaqSearch is the two-tone effect, which differentiates new and old plaque. Two different colour indicators: new plaque is coloured red, and plaque older than 12 hours is coloured blue.