Effect of Benzocaine 20% Topical Anesthesia on Pain Levels When Placing Separators in Children Receiving Hall Technique Crowns

Inclusion Criteria: * Children with asymptomatic non pulpally involved carious primary molars who meet the indications of the HT in Dubai Dental Hospital. * Children who require same tooth bilateral HT Crowns in either bilateral or diagonal pattern. * Healthy male and female children, aged 4-10 years (ASA 1) with no conditions that affect sensory input/reaction. * Children who are verbal and able to communicate. * Not taking any painkillers, or other drugs that would influence with their pain perception. * Cooperative children. * Parents or guardians who consent for their children to be enrolled in the trial. Exclusion Criteria: * Children who are indicated for bilateral HT but do not require EOS, due to pre-existing interdental spaces. * Children who are indicated for bilateral HT but parents prefer or indicate preference for the Modified HT. * Children with allergies to nickel or other metal components that constitute a PMC. * Those with reported allergies to topical or local anesthetic. * Children with special health care needs or those who are non-verbal and are unable to communicate their pain levels. * Children/parents/guardians not willing to participate in the study. * Patients that require treatment under conscious sedation or general anesthesia.