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Selecting The Best Core Build-up Materials For Crown Replacement Crown build-ups with older restorations tend to cause leakage and secondary caries, making the removable process for old amalgams and composites a severe issue many dentists face. The sub-amalgam gunk that’s impossible to see through imaging scans causes issues with crown placement and, thus, needs extra time to clean. To help resolve this issue, removing the gunk from the tooth corer will then require a crown build-up material, a composite that’s consistent, smooth, and acts as the bonding agent for the conventional crown prep.
Material Type Dentin is a highly variable material and thus needs a compatible core build-up material that simulates the dentin’s hardness, strength, and supportive function. For clinicians, they have several choices for core materials, including:
Amalgam Amalgams remain quite useful as a core material, especially when metal and meta-based crowns are employed. However, securing the amalgam can lead to crack propagation and penetration into the pulp of the space. Also, when used as a resin bonding material, the silver color can affect the appearance of the ceramic materials, and the setting reaction can take up to 24 hours, depending on the formulation.
Glass Ionomer Glass ionomer core composites have been used for generations as a highly recommended bonding material for core build-up because of their ability to release fluoride and bond to the tooth structure. They have less risk of post-operative sensitivity. Glass ionomers are difficult to manipulate, can’t be prepared until the curing reaction is complete, and possess inferior physical properties.
Composite Filling Composite resins remain a fairly new concept for core build-up. Recent advances in dentin and enamel bond strength give it significant shear bond strength greater than ionomers or amalgams. Because these resins don’t need pins or slots to prep, composite resins offer a more conservative restoration and offer the greatest range of shades for ceramic restorations.
Top 10 Dental Core Build Up Materials
Activation Mechanism Composite resins for core materials can produce the most viable build-up for the most optimal results. With different varieties of composite resins, some of the main materials dentists can choose from include:
Self-Cure Composite Resin Self-cure resins exhibit high tensile strength and compressibility, that can match the color of the tooth and has a dentin-like feel. The composite resin can be placed in a syringe if needed and initiates the process without the need for an external light source.
Light-Cure Composite Resin Light-cure resins also exhibit ideal mechanical properties with high compressible and tensile strength yet maintaining a dentin-like feel when cutting, but also have a highly radiopaque composition of a 5 mm average depth of cure. Light curing requires the polymerization of light to bond the material to the tooth.
Dual-Cure Composite Resin Dual-cure resins are designed for the cementation of posts and pins and are great for core build-ups. It maintains an ideal dentin feel and has high tensile strength, and can be placed in a syringe. It can come in multiple shades to match the color of the tooth. Dual-core is excellent for resin materials that need extra curing that light cure can’t provide alone.
The bottom line is certain core resins aren’t always compatible with bonding agents, and to ensure the most accurate core build-up, testing the compatibility of the core with the bonding agent is the most optimal choice.
Table 1: Comparison of Numbers
Product Net32 Ratings Price Number of Reviews Awards Ketac Silver Aplicap Capsules 5 stars out of 17 reviews $109.90 17 4 and ½ stars from the Dental Advisor Beautiful Flow Plus – Light Cure Composite Resin 5 stars out of 28 reviews $24.24 28 N/A Denfil Light Cure Restorative Composite Resin 5 stars out of 13 reviews $23.35 13 N/A Luxacore Automix Dual – Dual Core Composite Resin 5 stars out of 4 reviews $174.50 4 Preferred Product for Composite Core Material of 2019 by The Dental Advisor Clearfil DC Core Plus – Dual Core Composite Resin 5 stars out of 2 reviews $142.00 2 N/A
Top 10 Dental Core Build-Up
1. Ketac Silver Aplicap Capsules Self-Cure Glass Ionomer Composite Product Description Ketac™ Silver Aplicap™ Capsules are self-curing glass ionomer restorative materials designed for core build-ups and other structural restorations. They offer strong adhesion and long-term fluoride release while maintaining excellent biocompatibility and ease of use.
Product Overview This silver-reinforced glass ionomer combines the benefits of traditional GICs with added strength and durability. Delivered in a convenient capsule system, Ketac Silver is ideal for moisture-tolerant environments and provides excellent thermal and electrical insulation, reducing post-operative sensitivity. It eliminates the need for undercuts, preserving natural tooth structure.
Key Features
Long-term fluoride release for enhanced protection
Strong chemical adhesion to enamel and dentin
Moisture-tolerant for optimal placement conditions
Self-cure, no need for light curing
Provides thermal and electrical insulation to reduce sensitivity
Common Applications
Core build-ups in posterior teeth
Temporary or semi-permanent restorations
Situations requiring biocompatible, non-light-cure solutions
Technical Specifications Product Name: Ketac™ Silver Aplicap™ Capsules
Customer Ratings Rating: 5 out of 5 (Based on 17 verified reviews)
Customer Feedback
Praised for its excellent seal and strong adhesion
Clinicians appreciate its moisture tolerance and ease of placement
Recognized for biocompatibility and minimal shrinkage
Awarded 4.5 stars by The Dental Advisor for performance and reliability
2. Beautiful Flow Plus Light Cure Composite Resin Product Description Beautifil Flow Plus is a light-cured, syringe-delivered composite resin designed for precision restorative applications. It combines the ease of flowable delivery with enhanced strength and adaptability, making it ideal for a range of anterior and posterior restorations.
Product Overview Engineered to reduce postoperative sensitivity and chair time, Beautifil Flow Plus offers strong marginal seal and excellent adaptation to tooth surfaces. Its high flexural strength supports placement in stress-bearing areas such as occlusal surfaces and marginal ridges. The formulation reduces voids and simplifies handling and cleanup, streamlining clinical procedures while maintaining optimal performance.
Key Features
Light-cured composite for controlled working time
Syringe delivery system for easy application
High flexural strength for stress-bearing restorations
Excellent marginal adaptation to reduce voids
Simplifies procedures and cleanup with fewer steps
Common Applications
Class I, II, III, and V restorations
Occlusal surface repairs and marginal ridge build-ups
Cavity lining under direct restorations
Technical Specifications Product Name: Beautifil Flow Plus
Customer Ratings Rating: 5 out of 5 (Based on 28 verified reviews)
Customer Feedback
Clinicians appreciate its smooth handling and precise delivery
Valued for strong marginal sealing and reduced voids
Durable enough for occlusal areas with excellent strength
Reduces sensitivity and simplifies post-op clean-up
3. Denfil Light Cure Restorative Composite Resin Product Description Denfil is a light-cured restorative composite resin designed for both anterior and posterior restorations. It features high strength, excellent workability, and enhanced marginal sealing, making it ideal for long-lasting and esthetic restorations.
Product Overview Formulated with inorganic fillers, Denfil minimizes polymerization shrinkage and improves surface texture. Its radio-opaque composition ensures diagnostic clarity through X-rays. This composite provides superior abrasion resistance and adapts well to cavity walls, promoting a tight seal and natural finish. Denfil is known for its reliable handling and polishability in clinical practice.
Key Features
Light-cured composite activated by external curing light
Inorganic fillers for reduced shrinkage and excellent marginal seal
High strength and abrasion resistance for durability
Radiopaque for easy X-ray diagnostics
Superior workability and surface texture for esthetic results
Common Applications
Anterior and posterior restorations
Class I, II, III, IV, and V cavities
Areas requiring high polish and strength
Technical Specifications Product Name: Denfil
Customer Ratings Rating: 5 out of 5 (Based on 13 verified reviews)
Customer Feedback
Praised for excellent handling and polishability
Provides strong, long-lasting restorations
Radiopacity supports clear diagnostics
Clinicians report tight marginal seals with minimal shrinkage
4. Luxacore Automix Dual Dual Core Composite Resin Product Description Luxacore® Automix Dual is a high-performance dual-cure composite resin formulated for reliable core buildups and post cementation. With its superior flexural and compressive strength, it provides the precision and adaptability needed for advanced restorative procedures.
Product Overview Awarded as a Preferred Product by The Dental Advisor, Luxacore® delivers exceptional results through its dentin-like cutting capability and fluoride-releasing formulation. The material flows smoothly and adapts precisely to cavity walls and root posts. Its thin film thickness of 20 µm ensures optimal fit, particularly in post cementation. Available in multiple shades, it allows for esthetic flexibility and procedural confidence.
Key Features
Dual-cure system with both light and self-curing capability
Cuts like natural dentin for precise margin preparation
Releases fluoride for long-term tooth health
Excellent flow properties and cavity wall adaptation
Thin 20 µm film thickness ideal for post cementation
Common Applications
Core buildup for crown and bridge restorations
Cementation of root posts
Cases requiring strong mechanical support and esthetic blending
Technical Specifications Product Name: Luxacore® Automix Dual
Customer Ratings Rating: 5 out of 5 (Based on 4 verified reviews)
Customer Feedback
Praised for its ease of cutting and natural dentin feel
Trusted for reliable core buildups with strong marginal integrity
Excellent flow and shade selection support esthetic demands
Recognized by The Dental Advisor for consistent clinical performance
5. Clearfil DC Core Plus Dual Core Composite Resin Product Description Clearfil® DC Core Plus is a dual-cure, two-component composite resin designed for core buildup procedures. Developed by Kuraray America, this material offers high strength, smooth handling, and long-term durability with a dentin-like feel.
Product Overview Formulated with a 74% weight filler load, Clearfil DC Core Plus provides excellent compressive and flexural strength, ideal for supporting crown restorations. It delivers via an automix system for convenient and consistent application. The material is fluoride-releasing to support post-operative comfort and is radiopaque for easy radiographic identification during diagnosis and follow-up.
Key Features
Dual-cure capability for flexible clinical workflow
High filler content (74% wt) for superior strength
Fluoride-releasing to reduce post-op sensitivity
Cuts like dentin for precision margin preparation
Radiopaque for enhanced diagnostic visibility
Common Applications
Core buildup in preparation for crowns or bridges
Cementation of posts in restorative procedures
Cases requiring high strength and radiopacity
Technical Specifications Product Name: Clearfil® DC Core Plus
Customer Ratings Rating: 5 out of 5 (Based on 2 verified reviews)
Customer Feedback
Trusted for its strength and ease of handling
Praised for reliable performance and excellent adaptation
Clinicians note its dentin-like cut and post-op comfort
Radiopacity aids in clear follow-up diagnostics
Table 2: Comparison of Features
Product Adhesion Moisture Tolerance Thermal and Electrical Insulation Biocompatibility Shrinkage Ketac Silver Aplicap Capsules Strong adhesion to enamel and dentin Works well for build-ups Excellent thermal and electrical insulation Biocompatible Less shrinkage for better marginal integrity Beautiful Flow Plus – Light Cure Composite Resin Achieves a tighter marginal seal Cured when needed to prevent post-operative sensitivity N/A N/A N/A Denfil Light Cure Restorative Composite Resin Excellent marginal seal and surface texture N/A N/A N/A Minimizes polymerization shrinkage Luxacore Automix Dual – Dual Core Composite Resin Optimal adaption to cavity walls and root posts N/A N/A N/A Thin film thickness of 20µm for ideal root posts and core build-up Clearfil DC Core Plus – Dual Core Composite Resin N/A N/A N/A N/A Superior compressive and flexural strength
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