The aim of this study is to evaluate the effect of needless injection (comfort in ject) on child behavior and its effect on adjacent oral mucosa and soft tissue in children during local anesthesia injection in comparison to the conventional injection technique

Inclusion Criteria:

• According to Wright's classification of child behavior, children are classified as cooperative or possibly cooperative.
• Children who are medically fit.
• Children who are capable of interacting on a mental level.
• Children between the ages of 6 to 8.
• First dental visit.

Exclusion Criteria:

• Children who struggle with behavioral control (uncooperative).
• Children who have a history of allergic reaction to local anesthetic drugs.
• Parental rejection for participation.