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

Not Applicable

Active, not recruiting

• Conditions: Caries of Infancy
• Interventions: Other: preparation of the tooth to receive CAD CAM PMMA custom made crown; Other: preparation of the tooth to receive ready made zirconia crown

• Registration Number: NCT06113770
• Lead Sponsor: Adel Sherif Mostafa Rehab

Brief Summary

, 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.

Detailed Description

Not available

Study Timeline

• Study Start: 2023-05-01
• Study First Submitted: 2023-10-23
• Study First Submitted QC: 2023-10-28
• Status Verified: 2023-11
• Primary Completion: 2023-11
• Last Update Submitted: 2023-11-01
• Study First Posted: 2023-11-02
• Last Update Posted: 2023-11-03
• Study Completion: 2023-12

Recruitment & Eligibility

• Status: ACTIVE_NOT_RECRUITING
• Sex: All
• Target Recruitment: 17

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.

Study & Design

• Study Type: INTERVENTIONAL
• Study Design: PARALLEL

Arm && Interventions

Group	Intervention	Description
pmma crown	preparation of the tooth to receive CAD CAM PMMA custom made crown	the selected tooth will receive cad cam custom made pmma crown
ready made zirconia	preparation of the tooth to receive ready made zirconia crown	the selected tooth will receive ready made zirconia crown

Primary Outcome Measures

Name	Time	Method
Gingival condition	in 6 months	Löe \& Silness gingival index

Secondary Outcome Measures

Name	Time	Method
gingival bleeding	6 months	Papilla Bleeding Index

Trial Locations

Locations (1)

AlAzharU; 🇪🇬 Cairo, Egypt