Inclusion criteria:
Children without systemic disease who are cooperative according to Frankel classification, Frankel 3 and 4.
On clinical examination, large carious lesions involving the occlusal or proximal surfaces, with normal gingival appearance and having at least one decayed deciduous molar on each side of the mandible or maxilla.
In the radiographic examination, the observation of caries close to the pulp that involved about two-thirds of the thickness of the dentin, normal lamina dura, normal periodontal ligament space, root length more than two-thirds, absence of periapical changes, absence of external or internal pathological analysis.
Exclusion criteria:
A history of sharp, piercing pulpal pain that persists after removal of the stimulus, as well as spontaneous pain and nocturnal pain
Clinical examination showing tooth mobility, tooth discoloration, sinus tract or tooth abscess
Radiographic examination showing a carious lesion with intermittent exposure of the pulp, interrupted lamina dura, widening of the periodontal ligament space, periapical radiolucency and internal or external pathological degeneration.
Children with absolute sensitivity to any kind of anesthetic