Comparative assessment of pain during administration of inferior alveolar nerve block with 2 percent lignocaine with 1:80000 adrenaline using conventional needle syringe and star pen and intraligamentary injection with 4 percent articaine with 1:100000 adrenaline using star pen and subsequently intraoperative pain in mandibular molar with symptomatic irreversible pulpitis of patient aged 18 to 50 years: A Randomized controlled trial.

Group I: Administration of 2 perecnt lignocaine with 1:80000 adrenaline by

inferior alveolar nerve block technique.

The teeth will be anaesthetized with 2 percent lignocaine with

1:80000 epinephrine using conventional needle syringe.

and 26 guage needle will be used.

Group II:  Administration of 2% lignocaine with 1:80000 adrenaline by

inferior alveolar nerve block technique.

The teeth will be anesthetized with 2 percent lignocaine with

1:80000 epinephrine using star pen.

GroupI III: Administration of 4% articaine with 1:100,000 adrenaline by

intraligamentary injection technique (n=10).

Teeth will be anaesthetized with 4 perecnt articaine with 1: 100000

epinephrine.

Patient will be administered 1.8ml of either 2 percent lignocaine with 1:80000 adrenaline or 4 percent articaine with 1:100000 adrenaline. Immediately after administration pain will be recorded using VAS. After administration of local anaesthesia will wait for 5 min. After 5 min, Access cavity preparation will be started using a round bur and safe end bur and canals will be located.

10k hand file will be inserted in each canal. Working length will be measured using electronic apex locator. Pulp extirpation will be done and temporary dressing will be given.

All patients will be evaluated by questionnaire based on a visual analogue scale following treatment to record their pain rating during treatment. The data will be collected based on the responses obtained by visual analogue scale. All patients will be explained the procedure to fill the visual analogue scale in advance.