The study will employ an open-label design to determine the lowest effective doses (LEDs), and assess the safety and efficacy of Kovacaine Mist administered intranasally for inducing pulpal anesthesia of maxillary primary teeth numbers A to J and maxillary permanent teeth numbers 4 to 13 (maxillary right second premolar to maxillary left second premolar) sufficient to allow completion of the Study Dental Procedure, and will be carried out in healthy children of either sex between the ages of 3 and 17 years, inclusive.