Additive vs Subtractive Manufacturing for Endocrown Fabrication: A 24-Month RCT
Trial statusNot yet recruiting
Trial phaseNot applicable
Trial typeInterventional
Biological sexAll
Age25-45
SponsorCairo University
About this trial
This randomized controlled trial (RCT) compares the 24-month clinical performance of endocrown restorations fabricated by two digital manufacturing pathways: additive manufacturing using 3D-printed ceramic-filled photopolymer resin (VarseoSmile TriniQ, BEGO) versus subtractive computer-aided design/computer-aided manufacturing (CAD/CAM) milling from hybrid nano-ceramic blocks (HC Hard Block, Shofu). Sixty endocrowns will be placed in endodontically treated posterior molars and evaluated using modified United States Public Health Service (USPHS) criteria at 6, 12, and 24 months. The trial is conducted at the Conservative Dentistry Department, Faculty of Dentistry, Cairo University.
Eligibility criteria
Qualifiers
Age 25-45 years, male or female
Endodontically treated molar tooth with radiographically confirmed treatment success and no clinical signs of failure
Sufficient remaining coronal structure for endocrown preparation: minimum three walls, wall thickness 1.5 mm or greater, pulp chamber depth 3 mm or greater, supragingival preparation margins
Completely erupted tooth with intact periodontal support
Disqualifiers
Diagnosed parafunctional habit or nocturnal bruxism
Uncontrolled systemic illness or physical disability precluding safe participation
Heavy tobacco use
Current or suspected pregnancy
Trial design
Treatments tested in this trial
- CAD/CAM Milled HC Hard Block Endocrown
- 3D-Printed VarseoSmile TriniQ Endocrown
Treatment groups
60 Participants
are divided into 2 treatment groupsLocations
Sponsors and collaborators
Source ClinicalTrials.gov