Which method can be used to minimize discomfort during injection?

Using a smaller gauge needle is an effective method to minimize discomfort during injection because a smaller needle has a thinner diameter, which can lead to less tissue trauma and a more comfortable experience for the patient. When providing dental anesthesia, patients often report that the size of the needle significantly impacts their perception of pain. Thinner needles cause less resistance when penetrating the tissue, contributing to a smoother and less painful injection process.

In contrast, injecting rapidly can actually increase discomfort, as the sudden pressure may cause the tissues to react unfavorably. Administering a higher volume of anesthetic might lead to increased pressure in the tissues, which often results in greater discomfort during the injection. Injecting at a deeper site does not address the pain associated with the needle penetration itself and can also be less effective if not done properly, potentially causing unnecessary discomfort. Thus, opting for a smaller gauge needle is a direct approach to enhancing the patient's comfort during dental procedures.