Direct Composite Versus Indirect Hybrid Resin Restorations in Hypomineralized First Permanent Molars

Inclusion Criteria:

1. Participants aged from 7 years to 11 years
2. MIH-TNI 2 or 4
3. No past dental treatment for the hypomineralized first permanent mandibular molars.
4. Caries lesions that include the occlusal surface.

Exclusion Criteria:

1. The presence of systemic disease, physical or mental disability.
2. Any potential confounding enamel defects i.e., amelogenesis imperfecta.
3. Uncooperative children.
4. A history of allergic reactions to local anesthetics or some components of restorative materials
5. History of spontaneous pain.
6. Presence of clinical or radiographic signs of pulp necrosis (Fistula/abscess, internal or external root resorption, mobility of the tooth, and swelling).