Manual Fractional Technology (MFT) using a surgical mode handpiece is necessary because standard automatic scanning modes are often unable to level the specific irregularities found at the edges of acne scars. Atrophic scars frequently feature small hypertrophic protrusions at their margins that require targeted, manual intervention to smooth effectively.
Automatic scanners offer consistency, but they lack the finesse required for complex scar topography. MFT empowers the practitioner to manually stretch the skin and apply a surgical-grade beam to drill and grind down raised edges that automated tools cannot reach.
The Challenge of Scar Edge Topography
Addressing Hypertrophic Protrusions
Atrophic acne scars are rarely simple depressions; their boundaries often present complex textures. The edges frequently contain small, raised hypertrophic protrusions.
These tiny bumps create a visual contrast that accentuates the depth of the scar. To improve the scar's appearance, these protrusions must be leveled to blend with the surrounding skin.
Why Automatic Scanning Falls Short
Standard automatic scanning modes are designed for uniform coverage over a larger area. They apply laser energy in a consistent pattern, which is efficient for general resurfacing but ineffective for detailed sculpting.
Because they lack the ability to target specific microscopic irregularities, automatic scanners often fail to level the raised edges of a scar. They treat the "whole" rather than the specific defect.
How MFT Solves the Problem
Surgical-Grade Beam Precision
MFT utilizes a surgical-grade ultra-fine laser beam. This provides a much tighter, more focused point of impact compared to standard fractional scanners.
This precision allows the practitioner to perform "drilling" and "grinding" actions specifically on the scar tissue. It transforms the laser from a broad painting tool into a fine sculpting instrument.
The Role of Manual Tension
A critical component of this technique is the ability to manually stretch the skin. By physically manipulating the treatment area, the practitioner exposes the scar edges more fully.
This tension flattens the immediate area, allowing the laser to access the crevices and protrusions that might otherwise be hidden in relaxed skin folds.
Customizing Depth and Spacing
MFT provides the operator with flexible control over the depth and spacing of the laser impact. The practitioner can adjust the intensity based on the thickness and height of the specific scar edge being treated.
This allows for a customized approach where the laser impact is concentrated exactly where it is needed to smooth out surface irregularities.
Understanding the Trade-offs
Precision vs. Automation
While MFT offers superior results for scar edges, it moves away from the "set and forget" convenience of automatic scanning.
Operator Dependency
Because this method relies on manual skin stretching and visual targeting, it requires a higher degree of practitioner skill. The quality of the "grinding" and leveling is directly dependent on the operator's hand-eye coordination and judgment.
Making the Right Choice for Your Goal
To select the correct modality for acne scar revision, consider the specific nature of the defects you are treating.
- If your primary focus is general texture improvement: Rely on automatic scanning modes for consistent, uniform coverage across the face.
- If your primary focus is blending distinct scar borders: Utilize MFT with a surgical handpiece to manually level hypertrophic protrusions and sculpt the scar edges.
MFT is the bridge between general resurfacing and true scar reconstruction, allowing for the precise leveling required to make deep scars vanish visually.
Summary Table:
| Feature | Automatic Scanning Mode | Manual Fractional Technology (MFT) |
|---|---|---|
| Best For | General texture improvement & large areas | Precision sculpting of scar edges & protrusions |
| Beam Control | Consistent, automated patterns | Surgical-grade ultra-fine beam (Manual) |
| Mechanism | Uniform energy distribution | Targeted drilling and grinding actions |
| Skin Handling | Static treatment area | Active manual stretching for depth access |
| Skill Level | Standard operation | High practitioner expertise required |
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Are you looking to provide superior acne scar treatments that automatic scanners simply can't match? BELIS specializes in professional-grade medical aesthetic equipment designed exclusively for clinics and premium salons.
Our advanced CO2 Fractional Laser systems feature high-precision surgical handpieces and Manual Fractional Technology (MFT), allowing your practitioners to sculpt, grind, and level complex scar topography with unmatched accuracy. Beyond scar revision, our portfolio includes Diode Hair Removal, Pico Lasers, HIFU, Microneedle RF, and body sculpting solutions like EMSlim and Cryolipolysis.
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References
- Zhonglan Pan, Bingrong Zhou. “Multiple Mode Procedures” of Ultra-Pulse Fractional CO2 Laser: A Novel Treatment Modality of Facial Atrophic Acne Scars. DOI: 10.3390/jcm12134388
This article is also based on technical information from Belislaser Knowledge Base .
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