The study is a clinical trial that assesses the clinical and radiographic success rates of 3 conservative pulp therapy treatments in primary molars compared to conventional pulpotomy using a bioactive dual cured calcium silicate cement (TheraCAL PT).

Participating Children will be recruited from the outpatient's clinic of pediatric dentistry department , Faculty of Dentistry Ain Shams University and will be allocated to one of the following groups; Indirect pulp capping, direct pulp capping, partial pulpotomy or pulpotomy. TheraCAL PT, a dual cured tricalcium silicate cement will be used in all groups as the pulp capping material. Children will be followed every 6 months for a period of 1 year to evaluate clinical and radiographic success.

Inclusion Criteria:

• Four to six years old healthy children
• Cooperative (frankle scale + and ++)
• With at least one vital and restorable primary molar with deep caries.

Exclusion Criteria:

• History of spontaneous pain, swelling, or sinus tract
• Pathological mobility
• pain on percussion
• Furcation or periapical radiolucency
• Internal or external pathological root resorption
• Widening of periodontal membrane space
• Discontinuity of lamina dura.