What's actually dangerous about chicken bones
Cooked poultry bones splinter into sharp fragments. The risks, in order of frequency: (1) oropharyngeal lodging — bone caught in the mouth or throat; (2) esophageal perforation on the way down; (3) gastric or intestinal obstruction; (4) intestinal perforation hours to days later. Risk scales with bone size relative to the dog and with how sharp the fragments are.
The good news: dogs evolved to eat bones, and stomach acid is remarkably effective. Most dogs over 20 lb that swallow a wing or thigh fragment will pass it uneventfully in 24–72 hours.
