I really hope that would help you,Willow:
"hello Nastia, you did very well last time, youre family must be very proud."
Zdravstvuj Nastia, v proshlij raz ti vela sebya malatsom.
"you have a tooth to take out today, we need to take it out before the hole gets bigger, and the tooth starts to hurt."
Segodnya nuzhno vitaschit zubik, a to dyrka stanet bol'she i zub zabolit!
"Were going to make the tooth sleepy, so you wont be able to feel it when we remove it, you stay awake, only the tooth and part of your mouth goes to sleep. It will wake up, and be normal again in a couple of hours."
Seichas zubik zasnyot, ya zdelayu ukol'chik. Ty dazhe nichego ne pachuvstvuesh, kogda my yevo vytaschim.
"This may scratch a little, and feel a bit uncomfy, keep nice and still for us, it wont take long."
SEITCHAS BUDET CHUT-CHUT NEPTIYATNO, no ty poterpi , eto sovsem nedolgo.
"open wide"
shirako atkroy rot
"if you feel any pain put your hand up"
esli bol'no, padnimi ruku
"lots of pushing, and wobbling, and probably some strange noises! "
Sorry, i can't help here
(
"bite together tight for 15 minutes."
(to keep teeth tight, yes?) Na pyatnatsat' minut sazhmi krepka zupki
"you are doing really well"
Umnichka, maladets
"big deep breaths"
Dyshi glubako
"this is for you to read. it tells you what to do now"
vot eto prochitaj, zdes' napisano, shto tebe delat'
"you just need (one, two, three) fillings (or repairs?) now"
Seichas nado postavit' odnu/dve/tri plomby
"you've done so well, well done! good girl"
Solnyshko, vse harasho, umnichka
Good luck :P