經過一年多的使用來看，這個東西值得推薦 (圖)

Top Performance ProDental Solution 是放到狗和貓飲用水裏，防止口臭。。。真的很有效果。。。petedge.com是我找到的賣的最便宜的了，32 oz $10.99，不知道還有哪位狗媽貓爸能找到更便宜的？？ 我總是10瓶的買，三隻狗，每個月用掉一瓶多呢。some product deion below:
Turn Pets' Water Into a Breath-Freshening Drink

Eliminate bad breath and plaque build-up by adding Top Performance® ProDental™ Professional Solution to pets' drinking water. Formulated with organically derived chlorophyll and stabilized chlorine dioxide to freshen breath. Added whitening agent brightens teeth. Add one teaspoon to 8 oz of water daily to help reduce plaque build-up for healthier teeth and gums. Safe for use on dogs and cats. ProDental Solution comes in a 16 oz size. Also available in 8 oz (see item TP97608) and 32 oz (see item TP97632) sizes.