Related Experiment Video
Updated: Jan 22, 2026
14:31
Bioelectric Analyses of an Osseointegrated Intelligent Implant Design System for Amputees
Published on: July 15, 2009
14.5K
Picosecond laser-engineered osteon-inspired concentric micropatterns on titanium implants regulate cellular behaviour
Kendrick Hii Ru Yie1, Yingyue Sun1, Xinhua Gu2
1School and Hospital of Stomatology, Wenzhou Medical University, Wenzhou, 325027, Zhejiang, China.
Materials Today. Bio
|January 21, 2026
Summary
This study used picosecond-ultraviolet laser (PSL-UV) technology to create biomimetic micropatterns on titanium dental implants. Specific groove widths (20 and 80 μm) significantly improved bone formation and implant integration.
Area of Science:
- Biomaterials Science
- Biomedical Engineering
- Dental Implantology
Background:
- Osseointegration of dental implants faces biological and biomechanical challenges.
- Osteon architecture inspires novel surface engineering for improved bone integration.
- Current implant surfaces require optimization for enhanced cellular response.
Purpose of the Study:
- To engineer biomimetic, osteon-like micropatterns on titanium (Ti) surfaces using picosecond-ultraviolet laser (PSL-UV) technology.
- To investigate the effect of varying groove widths on cellular behavior and osseointegration.
- To enhance dental implant success rates through surface modification.
Main Methods:
- Fabrication of Ti surfaces with concentric micropatterns (20, 40, 60, 80 μm groove widths) via PSL-UV.
- In vitro evaluation of osteoblast, osteoclast, and fibroblast activity on patterned surfaces.
- In vivo assessment of new bone formation on patterned implants.
- Gene expression and omics analyses to understand cellular modulation.
Main Results:
- Micropattern groove width critically influenced cellular responses.
- 20 μm and 80 μm groove widths significantly enhanced osteoblast activity.
- These specific patterns also regulated osteoclast and fibroblast activity, promoting osseointegration.
- In vivo studies confirmed substantial new bone formation on implants with 20 μm and 80 μm patterns.
Conclusions:
- Biomimetic micropatterns created by PSL-UV technology effectively enhance osseointegration in dental implants.
- Tailoring implant surface topography at the microscale offers a promising strategy for personalized implant design.
- This approach holds potential for improving long-term implant longevity and clinical success rates.
Related Concept Videos
01:27Feedback Regulation of Calcium Concentration
3.9K
Calcium is an essential signaling molecule required for various cellular functions. Calcium pumps and ion channels on cell and organellar membranes, such as those on the endoplasmic reticulum (ER), regulate calcium concentrations inside the cell. They remain closed, keeping the cytosolic calcium levels low at a resting state.
Various transmembrane receptors, such as G protein-coupled receptors (GPCRs), elicit a response to extracellular signals by increasing cytosolic calcium. Activated GPCRs...
Various transmembrane receptors, such as G protein-coupled receptors (GPCRs), elicit a response to extracellular signals by increasing cytosolic calcium. Activated GPCRs...
3.9K
01:19Facilitated Transport
146.4K
The chemical and physical properties of plasma membranes cause them to be selectively permeable. Since plasma membranes have both hydrophobic and hydrophilic regions, substances need to be able to transverse both regions. The hydrophobic area of membranes repels substances such as charged ions. Therefore, such substances need special membrane proteins to cross a membrane successfully. In facilitated transport, also known as facilitated diffusion, molecules and ions travel across a...
146.4K
01:19Facilitated Transport
18.2K
The chemical and physical properties of plasma membranes cause them to be selectively permeable. Since plasma membranes have both hydrophobic and hydrophilic regions, substances need to be able to transverse both regions. The hydrophobic area of membranes repels substances such as charged ions. Therefore, such substances need special membrane proteins to cross a membrane successfully. In facilitated transport, also known as facilitated diffusion, molecules and ions travel across a...
18.2K
01:04Social Facilitation
36.0K
Not all intergroup interactions lead to negative outcomes. Sometimes, being in a group situation can improve performance. Social facilitation occurs when an individual performs better when an audience is watching than when the individual performs the behavior alone. This typically occurs when people are performing a task for which they are skilled.
36.0K
01:30Mechanism of Breathing I: Inspiration
3.1K
Introduction to Inspiration: The Respiratory System in Action
The respiratory system, an essential network for breathing, comprises the conducting and respiratory zones, each playing a crucial role in the overall process of respiration. Let us explore the detailed mechanism of inspiration, or inhalation, which is the first phase of the respiratory cycle.
Pathway of Air during Inspiration
During inspiration, air enters our body through the nose or mouth and moves through the conducting zone,...
The respiratory system, an essential network for breathing, comprises the conducting and respiratory zones, each playing a crucial role in the overall process of respiration. Let us explore the detailed mechanism of inspiration, or inhalation, which is the first phase of the respiratory cycle.
Pathway of Air during Inspiration
During inspiration, air enters our body through the nose or mouth and moves through the conducting zone,...
3.1K
01:16Facilitated Diffusion
1.2K
The plasma membrane, a critical structure in cellular biology, houses an array of transporters, or carrier proteins, interspersed within its lipid bilayer. These proteins play a crucial role in solute transport through facilitated diffusion, a form of passive diffusion that uses transporters to move the molecules across the membrane.
In this process, substrates such as organic compounds and ions interact with a transporter on one side, triggering conformational changes in proteins that enable...
In this process, substrates such as organic compounds and ions interact with a transporter on one side, triggering conformational changes in proteins that enable...
1.2K