Masseter Muscle Activity and Post-operative Pain in a Group of Egyptian Children Treated With Hall Technique Vs Modified Hall Technique

Inclusion Criteria: * Children 5-7 years with carious lower second primary molars * Both genders. * Systemically and mentally healthy. Exclusion Criteria: * History of systemic or mental conditions. * Special health care needs who require pharmacological management before dental treatment. * Acute dental pain or trauma. * Extremely uncooperative children who require being treated under general anesthesia.