I stopped smoking one year ago, I have not used nicotine gum because it is not good for my teeth, but currently I am still addicted to nicotine and I use these,

I stopped smoking one year ago, I have not used nicotine gum because it is not good for my teeth, but currently I am still addicted to nicotine and I use these,
Iz it nicotine gum…!!!
Are those lozenges? Do they work? How often do you need one? How much are they?
I heard eating nicotine is much more stronger and last longer?