When is the correct time to bill for a pfm crown, at the prep apt or the seating?January 5, 2016 by Admin « Back to Previous Page Answer Question ▲0 ▼ ♥ 0 Marked as spamAsked on January 5, 201662 viewsFollowUnfollow ▲-1 ▼✔ Private answerIt varies upon carrier, the consensus is this should be billed on the seat date.Marked as spamAnswered on January 6, 2016 « Back to Previous Page Post your AnswerAttach YouTube/Vimeo clip putting the URL in brackets: [https://youtu.be/Zkdf3kaso] Notify me of follow