: Dentists use specialized drills or burs (like Largo Peeso Reamers ) to remove some of the root filling material ( gutta-percha ).
: To maintain a proper seal and prevent infection, at least 4 to 5 mm of gutta-percha must remain at the tip (apex) of the root. : Dentists use specialized drills or burs (like
: The Peninsula Open Space Trust (POST) protects open spaces in California. : Dentists use specialized drills or burs (like