The invention provides an orally acceptable plaque indicator gel comprising a dye in sufficient concentration to visibly stain plaque upon application, optionally for use in combination with an orally acceptable plaque removal gel comprising an antiplaque agent in sufficient concentration to remove plaque and or kill bacteria upon application, in each case the gel having a specific viscosity permitting efficient application using a pen dispenser, as well as reduced dye or antiplaque agent concentration, together with methods of using the same.本發明提供一種口腔可接受齒斑指示劑凝膠，其包含一足夠濃度的染料以於施用時可目視地著色齒斑濃度，視情況與口腔可接受齒斑移除凝膠組合使用，後者包括施用時呈足夠移除齒斑及/或殺死細菌濃度之抗齒斑劑，各情況中凝膠具有使用筆型分配器允許有效施用之比黏度；本發明並提供其使用方法。
