A. It is difficult to give you a definitive answer as I am unsure what is underneath the crown (e.g. has it been root filled?, how much of the solid tooth is left?). It would be better to see someone sooner rather than later – the locum could always temporarily cement the tooth on, but if you only feel comfortable with your regular dentist then try to go easy on this side with eating and book an appointment with them as soon as they are back.