Clinical Efficacy of Ceramic vs Resin Block Endocrown

Status Recruiting

Clinical Trial Summary

Compare the comfort and durability of Ceramic (VITA,Suprinity ,VS) vs Resin Bloc (VOCO, Grandio Bloc,GB) Endocrown by chairside CAD/CAM system (computer aided design / manufacture).

Objective:To provide information of material selection for the chair-side restoration of the teeth after root canal treatment.

Clinical Trial Description

Pulpal and periapical diseases are the main causes of tooth loss. Root canal treatment (RCT) is the only effective way to treat these diseases. However, failure of RCT is commonly seen without coronal restoration.Endocrown is a new type of onlay with a retainer in the pulp cavity which consists of a cervical margin in the form of a butt joint and a preparation of the pulp chamber.This restoration method is not only good at the preservation of residual tooth tissue, but also suitable for severely damaged molars or premolars after dental pulp treatment.More and more endondontist tend to use this ways because they are a minimally invasive solution in such cases.Endocrown is mainly made of glass-ceramics, which has the advantages of beautiful appearance, high hardness and good biocompatibility. However, ceramic materials are brittle and fracturable, and need to be sintered twice in the manufacturing process, which is relatively complex and time-consuming. Composite resin block material is a new type of composite material developed in recent years. It is used for chairside CAD/CAM restoration,It has beautiful and natural color, and its elastic modulus is close to dentin. Therefore, it is more compatible with natural teeth in performance.Moreover, In the process of making, the steps of secondary sintering and glazing are omitted and shortened. But, there was no sufficient data to verify which material was more effective. The main aim of this trial is to compare the clinical efficacy of ceramic vs resin-based bloc endocrown. Other objectives include looking for the prognostic and influence factors of the related effects. ;

Study Design

Related Conditions & MeSH terms

Tooth Diseases

Clinical Trial Details

NCT number	NCT04033380
Study type	Interventional
Source	Nanfang Hospital of Southern Medical University
Contact	Wenjuan Yan, PHD
Phone	15802018770
Email	645613053@qq.com
Status	Recruiting
Phase	N/A
Start date	May 2, 2019
Completion date	October 31, 2021

View Details

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.