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<p>The success of the long-term results of dental restorations on caries-positively affected dentin depends on the further development of bonding measures that will raise the quality of durability and performance. This research aims principally at finding new dental restoration methods and materials which would improve the lifespan and performance of restoration in caries affected dentin. Zirconia and Lithium Disilicate ceramics were used in the research because of its high mechanical strength, toughness, wear resistance, chemical stability and biocompatibility. Using the Stereolithography (SLA) technology, characterize the materials of choice in terms of mechanical, biocompatibility and esthetic properties. In addition, designed a dental component model based on Computer-Aided Design (CAD) software. Use Hybrid Additive Manufacturing (HAM) technology, which is a combination of Vat Photopolymerization (VPP) and Selective Laser Sintering to create a higher degree of customization of individual dental parts (e.g., crowns, braces, dentures). Based on this, the study suggested the Polyvinyl Siloxane (PVS) Impressions Guided 3D Printing of Dental Components (IG3D-Dental) method, which is based on the new technologies of 3D printing and digital impressions. The proposed technique with Python software is better in terms of performance with 96% accuracy, 93% precision, and 92% in F1 score and recall. These findings underscore its possibilities in guaranteeing quality production results compared to other approaches.</p> Graphical abstract <p><b>Flow Diagram (left → right)</b>:</p> <p><OrderedList> <ListItem> <ItemNumber>1.</ItemNumber> <ItemContent> <p><b>Caries-Affected Tooth (Problem)</b></p> </ItemContent> </ListItem> </OrderedList></p> <p><UnorderedList Mark="Bullet"> <ItemContent> <p>Tooth cross-section showing weak dentin.</p> </ItemContent> <ItemContent> <p>Label: “Bonding Challenge in Caries-Affected Dentin”.</p> </ItemContent> </UnorderedList></p> <p><OrderedList> <ListItem> <ItemNumber>2.</ItemNumber> <ItemContent> <p><b>Digital Workflow</b></p> </ItemContent> </ListItem> </OrderedList></p> <p><UnorderedList Mark="Bullet"> <ItemContent> <p><b>PVS Impression</b> → <b>3D Scanning</b> → <b>CAD Model</b></p> </ItemContent> </UnorderedList></p> <p><OrderedList> <ListItem> <ItemNumber>3.</ItemNumber> <ItemContent> <p><b>Fabrication</b></p> </ItemContent> </ListItem> </OrderedList></p> <p><UnorderedList Mark="Bullet"> <ItemContent> <p><b>Hybrid Additive Manufacturing (HAM)</b>:</p> <p><UnorderedList Mark="Dash"> <ItemContent> <p>SLA (Vat Photopolymerization).</p> </ItemContent> <ItemContent> <p>SLS (Selective Laser Sintering).</p> </ItemContent> <ItemContent> <p>Output: Customized <b>Zirconia / Lithium Disilicate Crowns</b>.</p> </ItemContent> </UnorderedList></p> </ItemContent> </UnorderedList></p> <p><OrderedList> <ListItem> <ItemNumber>4.</ItemNumber> <ItemContent> <p><b>Validation &amp; Results</b></p> </ItemContent> </ListItem> </OrderedList></p> <p><UnorderedList Mark="Bullet"> <ItemContent> <p>Graph icon with <b>Accuracy: 96%</b>,<b> Precision: 93%</b>.</p> </ItemContent> <ItemContent> <p>Icons showing <b>High strength</b>,<b> Toughness</b>,<b> Biocompatibility</b>.</p> </ItemContent> <ItemContent> <p>Clinical benefit: Enhanced Longevity &amp; Patient Outcomes.</p> </ItemContent> </UnorderedList></p>

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Evaluation of Mechanical Durability in Zirconia and Lithium Disilicate Restorations on Caries-Affected Dentin

  • 期刊论文

  • 发表日期：

    2026年3月26日

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  • Gosula Suresh,
  • Maneswar Rahang,
  • J. Suresh Kumar

摘要

The success of the long-term results of dental restorations on caries-positively affected dentin depends on the further development of bonding measures that will raise the quality of durability and performance. This research aims principally at finding new dental restoration methods and materials which would improve the lifespan and performance of restoration in caries affected dentin. Zirconia and Lithium Disilicate ceramics were used in the research because of its high mechanical strength, toughness, wear resistance, chemical stability and biocompatibility. Using the Stereolithography (SLA) technology, characterize the materials of choice in terms of mechanical, biocompatibility and esthetic properties. In addition, designed a dental component model based on Computer-Aided Design (CAD) software. Use Hybrid Additive Manufacturing (HAM) technology, which is a combination of Vat Photopolymerization (VPP) and Selective Laser Sintering to create a higher degree of customization of individual dental parts (e.g., crowns, braces, dentures). Based on this, the study suggested the Polyvinyl Siloxane (PVS) Impressions Guided 3D Printing of Dental Components (IG3D-Dental) method, which is based on the new technologies of 3D printing and digital impressions. The proposed technique with Python software is better in terms of performance with 96% accuracy, 93% precision, and 92% in F1 score and recall. These findings underscore its possibilities in guaranteeing quality production results compared to other approaches.

Graphical abstract

Flow Diagram (left → right):

1.

Caries-Affected Tooth (Problem)

Tooth cross-section showing weak dentin.

Label: “Bonding Challenge in Caries-Affected Dentin”.

2.

Digital Workflow

PVS Impression → 3D Scanning → CAD Model

3.

Fabrication

Hybrid Additive Manufacturing (HAM):

SLA (Vat Photopolymerization).

SLS (Selective Laser Sintering).

Output: Customized Zirconia / Lithium Disilicate Crowns.

4.

Validation & Results

Graph icon with Accuracy: 96%, Precision: 93%.

Icons showing High strength, Toughness, Biocompatibility.

Clinical benefit: Enhanced Longevity & Patient Outcomes.