This depends on the material of the molar stick. If it is a starch molar stick, it will be digested faster. If it is a real bone, it will be digested slower, or it may not be digested at all and it will be pulled out. In short, as long as it is regular Products, dogs won’t have any big problems if they eat them, they can all be excreted.
Tip:
Although it is not harmful for dogs to eat molar sticks, it is best to choose large bones that the dog cannot eat to grind its teeth.