Most shotguns pack a substantial amount of recoil and can easily bruise your shoulder - although lower-powered loads or smaller-gauge variants (e.g., 20 ga) can be operated by small-framed or younger shooters. Capacity typically ranges from 2 to 8 shells. A very affordable, popular, and reliable type of a shotgun is pump-action (reloaded by racking the slide); two of the best-known examples are Remington 870 and Mossberg 590.
Of course, while this approach reduces the odds of being blindsided by a painful problem, it does not make the risk go away: a chipped tooth or a painful abscess can strike with virtually no warning. If you can't see a dentist right away, OTC painkillers can offer partial relief, but no amount of ibuprofen will let you forget about an exposed nerve. Topical benzocaine ointments may work better in some situations, but they don't last very long. Sometimes, swishing some cold water in your mouth, or sucking in air through a carefully positioned straw, can offer decent relief. In the longer haul, amoxicillin can clear up many dental infections, while zinc oxide / eugenol cement can be used for emergency repair of damaged teeth. There are some reports that repeated treatments of cavities with silver nitrate can be beneficial, too - but be aware that the substance is caustic and tends to semi-permanently stain skin (and anything else it comes into contact with).
Based on this crude but honest assessment of the general public's affinity for the common bicarbonate, you'd be surprised by how much survivalists are into it (#2 on the list of "things for preppers to hoard"). They must expect some pretty serious hankerings for tasty leavened baked goods, or they have extensive phobias about the funkiness of their nuke survival backup plans.
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