The aim of the present study is to evaluate Mineral Trioxide Aggregate and Biodentine in direct pulp capping, partial pulpotomy, and pulpotomy in primary molars.

Screening of patients will continue until the target population is achieved. Identifying and recruiting potential subjects is achieved through patient database in Pediatric Dentistry department.

A total of 150 primary molars from healthy subjects will be selected from the Pediatric Dentistry and Dental Public Health outpatient clinic, Faculty of Dentistry, Ain shams University.

Subjects will be assigned randomly into two different treatment groups as follows:

MTA Group (1):

1. Group 1(A): MTA Direct Pulp Capping. (n=25)
2. Group 1 (B): MTA Partial Pulpotomy. (n=25)
3. Group 1 (C): MTA Complete Pulpotomy. (n=25)

BiodentineTM Group (2):

1. Group 2(A): BiodentineTM Direct Pulp Capping. (n=25)
2. Group 2 (B): BiodentineTM Partial Pulpotomy. (n=25)
3. Group 2 (C): BiodentineTM Complete Pulpotomy. (n=25)

Inclusion Criteria:

• No clinical symptoms or history implying irreversible pulpitis such as spontaneous pain, or pain persisting after stimuli removal.
• Absence of periapical or interadicular radiolucencies, inflammatory root resorption, sinus tract or gingival abscess.

Exclusion Criteria:

• Children who are extremely uncooperative and difficult to manage.
• Children suffering from any physically or mentally disability that will complicate the treatment: Special Health Care needs (SHCN).
• Teeth of poor prognosis due to presence of an abscess or a sinus, mobility, advanced bone or root resorption or Non-Restorable teeth.