Although chewing gum is associated with increased saliva production in the majority of those with residual capacity, there is no evidence that gum is more or less effective than saliva substitutes.

虽然口香糖能增加大部分尚有残余唾液产生能力之人的唾液产生量，但是无证据显示口香糖的功效高于或低于唾液替代物。

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Although chewing gum is associated with increased saliva production in the majority of those with residual capacity, there is no evidence that gum is more or less effective than saliva substitutes.

虽然口香糖能增加大部分尚有残余唾液产生能力之人的唾液产生量，但是无证据显示口香糖的功效高于或低于唾液替代物。

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