This RCT study aims to establish evidence based decision comparing between Vibraject (MiltexInc LLC.,York,PA,USA).and Dental vibe(BING Innovations LLC,Crystal Lake,IL,USA versus Conventional Syringe on pain perception during inferior alveolar nerve block anesthesia in lower primary molars indicated for extraction,pulp therapy and cavity preparation in Children.
Children aged 6-8 years.
Cooperative children (Rating 3 or 4 based on the Frankl behaviour scale).
Medically fit children (ASA I).
Children mentally capable of communication.
Uncooperative patient (other than 3 or 4 based on the Frankl behaviour scale).
Medically unfit children (other than ASA 1).
Parental refusal of participation.
Children under medications (antibiotics and analgesics) for the previous 48 hours that could alter the pain perception.