Earlier quoted context omitted.
In 2007 an oral surgeon gave me a prescription for opioid painkillers after a wisdom tooth extraction, just in case I needed it for pain. The pain wasn't very bad and I never filled the prescription, but in retrospect giving me that prescription in the first place was just crazy! Another doctor gave my wife an opioid painkiller prescription upon hospital discharge after a normal childbirth, just in case she needed it…
this is to prevent you from going to the ER and getting an enormous bill. sometimes after tooth extraction a condition called "dry socket" can develop and it will cause enormous pain. opioids solve that until your next regular visit to a doctor. otherwise you could feel terrible pain and go to ER in the night with all the consequences https://en.wikipedia.org/wiki/Alveolar_osteitis
https://med.stanford.edu/news/all-news/2018/12/opioid-prescr...