I'm sure displaced is a lovely dentist.
I think the best thing a dentist can do is really reassure and be sympathetic to patients. Even if they're acting like babies and spazzing out, the worst thing a dentist can do is dismiss it. Unfortunately there are some cowboy-job dentists out there who can literally traumatise patients.
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The time will never be ‘just right’.
Start where you stand, work with whatever tools you may have at your command,
and better tools will be found as you go along.