Which of the following statements is true regarding local anesthetic syringes and needles for dental anesthesia?

Needles should be recapped after use, using a scoop method or mechanical device.

A new anesthetic needle should be used when the elapsed time between multiple injections is more than 30 minutes.

To avoid percutaneous injury, needles may be left uncapped away from the working area after use.

Bending a needle is an acceptable practice for injections when the needle is inserted more than 5mm into soft tissue.