Allium Sativum oil is advocated to prove the capability of new natural products in replacing higher cost pharmacological materials, while achieving the same successful clinical and radiographic long-term results.

One of the most challenging subjects in paediatric dentistry is choosing the ideal pulp medication material that has the required properties such as preserving the vitality of the remaining intact pulp and stimulating its repair. This material should prevent pathological root resorption.Clinical and cost effectiveness trials from different countries are useful to determine which medicament should be advocated in which economic setting . Alternative pulpotomy materials clinically effective as MTA but with lower cost should be studied .

Inclusion Criteria:

• Apparently healthy children aged from 5- 7 years.
• Children not having antibiotics in the past 14 days.
• Cooperative children.
• Children are having at least two carious asymptomatic second primary molars.

Exclusion Criteria:

• Uncooperative children.
• Immunocompromised children.
• Children with clinical or radiographic symptoms

participants and outcome assessor will be blinded (double blind study )