Clinical Evaluation of Polymethyl Methacrylate CAD/CAM Crowns Versus Prefabricated Zirconia Crowns in Primary Molars

Adel Sherif Mostafa Rehab

Status: Active, not recruiting

Conditions: Caries of Infancy

Treatments: Other: preparation of the tooth to receive ready made zirconia crown; Other: preparation of the tooth to receive CAD CAM PMMA custom made crown

Study type: Interventional

Funder types: Other

Identifiers

NCT06113770

787/4375

Details and patient eligibility

About

, in this studythe investigator will compare between ready-made zirconia crowns and Computer-aided design and Computer-aided manufacturing (CAD/CAM) polymethyl methacrylate (PMMA) crowns to overcome the disadvantages of ready-made zirconia crowns.

Enrollment: 17 estimated patients

Sex: All

Ages: 4 to 8 years old

Volunteers: Accepts Healthy Volunteers

Inclusion and exclusion criteria

A- Inclusion Criteria:

1. Primary molars indicated for crown restoration (pulp treated molars indicated for crown
2. Co-operative child (Frankel scale +ve and ++ve)
3. The age ranged from 4 to 8 years regardless of sex or socioeconomic background.

B- Exclusion Criteria:-

1. Badly decayed non-restorable tooth indicated for extraction.
2. Patients with parafunctional habits like bruxism.
3. Systemic diseases with oral manifestation or blood diseases.

Trial design

Primary purpose: Treatment

Allocation: Randomized

Interventional model: Parallel Assignment

Masking: Triple Blind

---

17 participants in 2 patient groups

ready made zirconia

Experimental group

Description:

the selected tooth will receive ready made zirconia crown

Treatment:

Other: preparation of the tooth to receive ready made zirconia crown

pmma crown

Experimental group

Description:

the selected tooth will receive cad cam custom made pmma crown

Treatment:

Other: preparation of the tooth to receive CAD CAM PMMA custom made crown