_________________ Is the Tool Used to Electronically Measure Length of the Canal

question 27

Multiple Choice

_________________ is the tool used to electronically measure length of the canal of a tooth.

• A)Endodontic millimeter ruler
• B)Endodontic files
• C)Electronic apex locator

---

Definitions:

Carbon-Carbon Single Bonds

Bonds formed by the sharing of a single pair of electrons between two carbon atoms.

Carbon-Carbon Double Bonds

A chemical bond between two carbon atoms involving four bonding electrons instead of the usual two, leading to the formation of alkenes.

Rotation

The action or process of rotating on or as on an axis or center, commonly referred to in chemistry as the movement of molecules, specifically their ability to rotate polarized light.

Carbon-Carbon Double Bond

A covalent bond formed between two carbon atoms involving the sharing of two pairs of electrons, resulting in a pi bond overlaid on a sigma bond.