dry she would squeze to force the saliva out and spit. When she is asked why you are spitting too much she says she feels like the gums have small thorns and she is trying to spit them up. This exercise she is doing all the time and you can notice she get exhausted.
In the mean time, you can purchase at a drug store, OraJel which helps numbs the gums. Or some type a jel used for babies that are teething.