if you go to where you get surf in the safari zone, before you go into the house you should see a pokeball and it will be the gold teeth.
gold teeth is not something you can obtain in sapphire only in firered and leafgreen.
you can find it if you beated nurse joy on a battle
There in the Safari Zone
From an old guy that needs his gold teeth back so he could talk....but you need to find the gold teeth in the safari zone
In aria three(there will also be a house where you get surf.
Give the warden his gold teeth.
u can get strength when u find the warrtands gold teeth then he gives u strength
You get it after you give the gold teeth that you find in the safari zone to the Old Warren, and he will give you strength.
you get the gold teeth from safari zone then you go and give it to the first house from the right of the Pokemon center in fushia city
In the safari zone find the item gold teeth then return the teeth to the safari warden he's in a house next to the Pokemon center and he gives you the HM Strength.
You obtain the gold teeth in the safari zone. It is at the very end in the place around the house where the man awards you the hm surf.you will find it in the end of the safari zone were the 5th gym leader is.
it is a key item that is used to progress into the story, you find it within the safari zone, once you find it return them to the safari warden. hope this helped :)