functions 2. Which one of the following is coronal to apical technique of root canal preparation? a. Conventional b. Step down c. Step back d. Modified step back e. Passive step back of root canal preparation?

The correct answer is:<br /><br />c. Step back<br /><br />The step back technique is considered coronal to apical in root canal preparation. This technique involves removing a small amount of coronal tooth structure before beginning the root canal treatment, which allows for better access and visibility during the procedure.