Studying dental restorations with the new X4 POSEIDON micro-CT

The X4 POSEIDON modular micro-CT system offers researchers superior insights into the microstructure of teeth and dental restorations.

Figure 1: Bruker X4 Poseidon micro-CT scan of human tooth and restorative filler.

Micro-CT provides 3-dimensional imaging on a small scale with very high resolution, with no sample preparation or slicing. The internal structure of tissue and the internal adaptation of materials to surfaces can be studied non-destructively. Micro-CT has become a standard imaging tool in dental research for many applications, including restorative dentistry (Figure 1), endodontics, tissue engineering, and research on mineral density of hard tissues and bone growth.

How is the X4 Poseidon suited to examination of dental restoration fillers?

The X4 POSEIDON modular micro-CT system is equipped with a high resolution sCMOS detector that is ideal for examination of the microstructural integrity of teeth and dental restorations (Figures 2, 3 and 4). The X4 produces high-quality images from the outer to innermost structure of the tooth. In restorative dentistry, a key application is the study of the marginal and internal fit of filling materials, where research shows that the material type significantly influences the adaptability of the restoration, with some materials achieving lower marginal and internal gap values.

Figure 2: Reconstructed slices visualizing gaps between the cavity restoration and access cavity walls, and voids within the cavity restoration, 4 μm isotropic voxel size
Figure 3: Pseudo-colored 3D volume rendering of a filled human tooth, enabling the segmentation of voids, 4 μm isotropic voxel size
Figure 4: 3D analysis of gaps in the filler, color-coded for local thickness, 4 μm isotropic voxel size

Voids, gaps, and bubbles can reduce the mechanical properties of resin-based materials. The original structure of the restorative material may have appropriate mechanical properties, but defects can reduce the performance of the restorations and decrease the durability of the restorative material.

X4 Poseidon scan parameters:

  • Detector: 16 MP sCMOS
  • Voxel size: 4 μm
  • Source: Transmission type
  • Source settings: 90 keV, 9 W
  • Filter: 1mm Al + 0.1 mm Cu
  • Rotation step: 0.2° over 360°

Bruker 3DxSUITE software package: 

Included are the necessary tools for image processing and analysis, allowing the creation
of 3D models through volume and surface rendering algorithms .

The system provides a non-invasive, reproducible, and accurate technique for the qualitative and quantitative assessment of teeth and dental materials. The software enables users to extract data on the mineral density of tooth structure and tooth-restoration interfaces. Data can be shown in 2D or 3D renderings, and slices can be produced in any plane.
……………………..

Do you want to see Micro-CT results of your sample? Our specialists are happy to help.

Contact Ben to discuss if the Bruker X4 Poseidon or another micro-CT scanner is a good fit for your research.

Contact Seth to submit a sample for a FREE DEMONSTRATION SCAN.

 

Related Products

Related Articles

US Partner Form









    Coming Soon:

    Customer access to tips and instructional videos, method notes, tutorials, application notes, and other content to support your research.

    Employment

    Our people are the key to our success.

    We seek and employ talented scientists who have the curiosity and knowledge to offer intelligent collaboration with the researchers who are our customers. We don’t have any openings but would be happy to receive resumes to hold on file.

     

    Please submit resumes to: info@microphotonics.com

    Micro Photonics Inc.
    1550 Pond Road, STE 110
    Allentown, PA 18104

    Events

    CONFERENCES

    WVC Annual Conference
    Las Vegas, NV
    February 19-21
    Booth 1484

    ORS
    February 8-10, 2025
    Phoenix, AZ
    Website

    MD ANDERSON PRECLINICAL IMAGING CONFERENCE
    April 9-11, 2025
    MD Anderson
    Houston, TX

    AALAS
    November 9-13, 2025
    Long Beach, CA
    Website

     

    Privacy Policy

    What information do we collect? We collect information from you when you register on our site, place an order, subscribe to our newsletter or fill out a form. When ordering or registering on our site, as appropriate, you may be asked to enter your: name, e-mail address, mailing address, phone number or credit card information. You may, however, visit our site anonymously.
    What do we use your information for? Any of the information we collect from you may be used in one of the following ways:

    ; To personalize your experience (your information helps us to better respond to your individual needs).

    ; To improve customer service (your information helps us to more effectively respond to your customer service requests and support needs).

    ; To process transactions. Your information, whether public or private, will not be sold, exchanged, transferred, or given to any other company for any reason whatsoever, without your consent, other than for the express purpose of delivering the purchased product or service requested.

    ; To send periodic emails .The email address you provide for order processing, will only be used to send you information and updates pertaining to your order.Note: If at any time you would like to unsubscribe from receiving future emails, we include detailed unsubscribe instructions at the bottom of each email.

    Terms and Conditions

    Terms of Service for www.microphotonics.com

    Introduction. Welcome to www.microphotonics.com. This website is owned and operated by Micro Photonics Inc. By visiting our website and accessing the information, resources, services, products, and tools we provide, you understand and agree to accept and adhere to the following terms and conditions as stated in this policy (hereafter referred to as ‘User Agreement’), along with the terms and conditions as stated in our Privacy Policy (please refer to the Privacy Policy section below for more information).

    This agreement is in effect as of October 25, 2018.

    We reserve the right to change this User Agreement from time to time without notice. You acknowledge and agree that it is your responsibility to review this User Agreement periodically to familiarize yourself with any modifications. Your continued use of this site after such modifications will constitute acknowledgment and agreement of the modified terms and conditions.

    Responsible Use and Conduct. By visiting our website and accessing the information, resources, services, products, and tools we provide for you, either directly or indirectly (hereafter referred to as ‘Resources’), you agree to use these Resources only for the purposes intended as permitted by (a) the terms of this User Agreement, (b) the terms of any applicable confidentiality, non-disclosure, or other agreement between you and a third party, and (c) applicable laws, regulations and generally accepted online practices or guidelines.

    Call Now Button