Primary Molars Restoration Using Different Pediatric Crowns.

CAD/CAM Crowns Versus Prefabricated Zirconia and Stainless Steel Crowns for Restoration of Primary Molars: A Prospective Study.

study aims to compare hybrid ceramic CAD/CAM and prefabricated zirconia ans stainless steel crowns restoring primary molars through In-vivo evaluation of the clinical outcomes in terms of; crown retention, stain resistance and periodontal and gingival health as well as parental/child satisfaction.

Inclusion Criteria:

1. Age range of the patients from 5 to 8 years old.
2. Have no history of spontaneous pain or swelling.
3. Patients willing to return for follow-up examinations and evaluation.
4. Medically free patients or with controlled systemic disease ASA I or II.
5. No active periodontal diseases.
6. Patients with posterior pulpotomized tooth/teeth indicated for crown restoration (e.g. 2-3mm of teeth above cement-enamel junction).

Exclusion Criteria:

1. Children with intellectual, severe emotional or behavioral problems.
2. Presence of parafunctional habits such as clenching or bruxism.
3. Abnormal tooth mobility, gingival swelling, fistulous tract, or non-vital pulps.
4. Non-restorable teeth.
5. Radiographic positive signs of thickened or interrupted periodontal membrane space, internal root resorption, periapical or furcal radiolucency