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● Pre-owned · Tested Dual Sensor · No swap Vatech · Made in Korea

Vatech PAX-400C
Dual-Sensor Pan + Ceph Dental X-Ray

One detector for panoramic. A second, permanently installed detector for cephalometric. No sensor swap. No alignment drift. No re-calibration between modalities. The reliable Vatech pan/ceph workhorse — upgradable to CBCT when you're ready.

Architecture
2 sensors
Pan programs
5
Ceph projections
5
Ceph resolution
3.0 lp/mm
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Live operation video below. Additional warehouse photos and test images sent on request.

● Actual unit · Warehouse photo
Vatech PAX-400C dual-sensor panoramic and cephalometric dental X-ray imaging system — full view with both arms
VATECH · PAX-400C DUAL SENSOR PAN + CEPH · 220V
Dual
Two dedicated detectors — no swap wear, no drift between modalities
400 kHz
High-frequency generator — stable kV, short exposure, low dose
AI
Built-in noise reduction + edge enhancement applied on acquisition
CBCT-ready
Optional upgrade path to 3D CBCT when your practice is ready
The Dual-Sensor Advantage

One detector per modality. No sliding mechanism.

Most combo pan/ceph machines save cost by using a single detector on a motorized slide that moves between the panoramic position and the ceph arm. It works — until the motor wears, the alignment drifts, or a technician needs to re-calibrate before every ceph. PAX-400C eliminates the problem by giving each modality its own dedicated, permanently mounted detector.

× Conventional

Single-detector combo

X-ray Pan position (detector here) Ceph position (detector moves here) sensor
  • ×Detector physically slides between pan and ceph positions
  • ×Sliding mechanism wears over time → alignment drift
  • ×Re-calibration typically required when switching modalities
  • ×Workflow pause while detector travels and re-positions
✓ PAX-400C

Dual dedicated detectors

X-ray Pan detector permanent · a-Si Ceph detector permanent · a-Si
  • ✓Pan detector is fixed to the rotating OPG arm
  • ✓Ceph detector is fixed to the cephalostat arm
  • ✓Each detector optimized for its own modality (ceph detector larger, higher resolution)
  • ✓No sliding = nothing to drift, wear, or re-calibrate
  • ✓Operator switches modality in software only — zero mechanical wait
Warehouse Videos

See the unit running. Then see how quietly it moves.

Both videos were recorded on the actual unit in our Shanghai facility.

VIDEO 01 · 0:33
Operation Demo — live machine running

Power-up, gantry rotation and sensor alignment demonstration.

VIDEO 02 · 0:12
Column & Gantry Movement

Column height adjustment and rotating gantry at working speed — quiet mechanical operation.

Imaging Programs

Five panoramic modes. Five ceph projections.

Covers the full clinical workflow — routine adult OPG, pediatrics, TMJ assessment, orthodontic ceph, sinus imaging, and carpus-based skeletal-age analysis.

PANORAMIC · 5 PROGRAMS

Panoramic (OPG)

Standard
Full upper and lower arch including TMJs — the daily workhorse.
Pediatric
Reduced arc and lower dose for children and small patients.
TMJ
Focused bilateral TMJ view for joint and condyle assessment.
Anterior
Segmented anterior-only view — lower dose for incisor/canine focus.
Posterior
Segmented posterior view — molar, third-molar, and quadrant imaging.
60–90 kV · 2–15 mA · ≤ 12 s · 2.5 lp/mm
CEPHALOMETRIC · 5 PROJECTIONS

Cephalometric

Lateral
Standard ortho-ceph — sagittal profile, airway, growth analysis.
PA
Posterior-anterior — facial symmetry, transverse analysis.
Waters View
Dedicated sinus imaging — maxillary sinus clarity, trauma assessment.
Carpus
Hand-wrist view for orthodontic skeletal age / growth timing.
SMV
Submentovertex — skull base, zygomatic arches, mandibular symmetry.
60–100 kV · 2–20 mA · ≤ 8 s · 3.0 lp/mm

The "Lateral / PA·Waters·Carpus / SMV" projection-position labels are visible on the cephalometric detector housing itself — see gallery photo #3.

AI Imaging Pipeline

Diagnostic images straight out of the scanner.

Every image from the PAX-400C is processed through Vatech's built-in AI pipeline the moment it's captured. No separate Photoshop-style post-processing step. No technician guesswork. The scan arrives at your workstation already optimized.

Noise Reduction

AI-based denoise filters suppress detector read noise and quantum noise without softening anatomical edges.

Edge Enhancement

Adaptive sharpening emphasizes bone trabeculae and root apex detail — key for caries and periapical diagnosis.

Gray Scale Mapping

Automatic histogram optimization maps the full bit-depth to diagnostic gray range — no washed-out or crushed images.

Unit Gallery

Actual unit. Actual inspection photos.

Every FOB Dental PAX-400C is photographed on-site. Note photo #3: you can read the "Lateral / PA·Waters·View·Carpus / SMV" labels molded into the ceph detector housing — evidence that all 5 projections are hardware-supported.

Vatech PAX-400C dual arm configuration showing both panoramic rotating arm and cephalometric arm
01 / Dual Arms
Pan arm (right) + Ceph arm (left) visible together
Vatech PAX-400C panoramic unit front view with rotating yoke and patient chin rest
02 / Pan Unit
Rotating yoke, chin rest, bite stick assembly
Vatech PAX-400C cephalometric detector housing with Lateral, PA Waters View Carpus, and SMV projection position labels visible
03 / Ceph Labels · KEY SHOT
"Lateral / PA·Waters·Carpus / SMV" — all 5 projections labeled on hardware
Vatech PAX-400C handheld column lift remote with UP and DOWN buttons and Vatech logo
04 / Handheld Remote
Vatech-branded column lift remote — UP / DOWN
Vatech PAX-400C cephalometric sensor arm detail from below showing detector housing
05 / Ceph Arm
Ceph arm underside with patient-facing housing
Vatech PAX-400C rotating panoramic gantry housing detail
06 / Gantry
Panoramic rotating gantry housing
Vatech PAX-400C panoramic tube head front view with laser window
07 / Tube Head
Panoramic X-ray tube head front face
Vatech PAX-400C column controls with Chinese labels showing lift interface, power switch, emergency button
08 / Control Panel
Column-mounted lift, power, and emergency-stop
Vatech PAX-400C installed and operational in a dental clinic room
09 / Installed
Reference photo — PAX-400C installed in a clinic
Technical Specifications

Complete data sheet.

As published by Vatech for the PAX-400C dual-sensor platform. Actual firmware and module configuration of stocked units confirmed per-unit at quote stage.

Imaging

Architecture
Dual fixed flat-panel detectors
Detector type
Amorphous silicon (a-Si)
Pan resolution
Up to 2.5 lp/mm
Ceph resolution
Up to 3.0 lp/mm
Pan tube voltage
60 – 90 kV
Pan tube current
2 – 15 mA
Pan exposure time
≤ 12 seconds
Ceph tube voltage
60 – 100 kV
Ceph tube current
2 – 20 mA
Ceph exposure time
≤ 8 seconds
Image processing
AI NR · edge enh · gray map

Generator & Power

Generator
High-frequency, 400 kHz
Power supply
AC 220 V ±10%, 50/60 Hz
Phase
Single-phase
AEC
Automatic Exposure Control

Patient Positioning

Positioning system
3-point: chin · forehead · bite block
Bite block
Adjustable
Pan laser
2D laser guide
Ceph laser
3D laser guide
Patient height range
100 – 200 cm
Patient weight capacity
≤ 150 kg
Chair compatibility
Most dental chairs

Form Factor & Software

Dimensions (L×W×H)
180 × 80 × 220 cm
Net weight
≈ 250 kg
Output format
DICOM-compatible
Optional modules
CBCT · Implant Planning · Airway

Compliance

Standards
IEC 60601-1 · IEC 61223
US FDA
21 CFR Part 1020
Dose principle
ALARA — AEC optimized

"Vatech" and "PAX" are trademarks of Vatech Co., Ltd. FOB Dental is an independent equipment exporter and is not affiliated with or endorsed by Vatech Co., Ltd.

Where PAX-400C fits in the FOB Dental lineup

Between Pan-only and full CBCT.

Model Modalities Sensor Tier
KaVo Pan eXamPanCCD2D entry
Genoray PAPAYA PlusPan + CephCdTe (single)2D mid-tier
Vatech PAX-400C THISPan + Cepha-Si (dual)2D premium · CBCT-upgradable
Vatech PAX-i3DPan + CBCT + Cepha-Si (single CBCT)3D flagship

PAX-400C is the answer when CBCT is tempting but not yet justified — you get Vatech build quality and a frictionless upgrade path, without paying for 3D today.

Frequently Asked Questions

Answers to what buyers actually ask.

What is the Vatech PAX-400C?

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The PAX-400C is a dedicated 2-in-1 dental X-ray imaging system combining panoramic (OPG) and cephalometric (ceph) modalities, manufactured by Vatech Co., Ltd. of South Korea. Its defining feature is a dual-sensor architecture — one flat-panel detector permanently mounted on the panoramic arm, and a second permanently mounted on the cephalometric arm. No sensor swap between modalities.

What does "dual sensor" actually mean?

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Most combo pan-ceph machines save on cost by using a single detector on a motorized slide that shuttles between the panoramic position and the cephalometric position. It works, but the sliding mechanism wears, alignment drifts, and each modality switch typically requires a re-calibration routine.

The PAX-400C uses two separate, fixed detectors — one permanently mounted on the rotating pan arm, one permanently mounted on the ceph arm. No sliding, no wear, no drift, no re-cal between modalities, and each detector can be purpose-optimized for its own modality.

What imaging programs are supported?

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Panoramic (5): Standard · Pediatric · TMJ · Anterior · Posterior.

Cephalometric (5): Lateral · PA · Waters View · Carpus · SMV. These 5 positions are physically labeled on the ceph detector housing itself — see the gallery photo showing the "Lateral / PA·Waters·Carpus / SMV" moulded markings.

What are the key technical specs?

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Panoramic: 60–90 kV, 2–15 mA, exposure ≤12 s, resolution up to 2.5 lp/mm. Cephalometric: 60–100 kV, 2–20 mA, exposure ≤8 s, resolution up to 3.0 lp/mm. Both detectors are amorphous silicon (a-Si) flat panel. Generator: high-frequency 400 kHz. Power: AC 220 V ±10%, 50/60 Hz single-phase. Dimensions approx. 180×80×220 cm, 250 kg.

Can it be upgraded to CBCT?

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Yes — CBCT is listed as an optional module on the PAX-400C platform. Implant planning and airway analysis modules are also optional. Exact upgrade availability depends on the firmware revision of your specific unit; we confirm options per-unit at quote stage. If you think you might want CBCT within 2–3 years, PAX-400C keeps that door open.

What image-processing features are built in?

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Vatech's built-in imaging pipeline includes AI-based noise reduction, adaptive edge enhancement, and automatic gray-scale mapping — applied at acquisition time, not as manual post-processing. Output is DICOM for integration with third-party practice-management systems, PACS, and implant planning software (coDiagnostiX, Simplant, Blue Sky Plan, etc.).

Does it meet international safety standards?

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Yes. The PAX-400C complies with IEC 60601-1 (medical electrical equipment general safety), IEC 61223 (evaluation and routine testing of imaging X-ray equipment), and FDA 21 CFR Part 1020 (US performance standards for diagnostic X-ray). Automatic Exposure Control (AEC) is included for dose optimization per the ALARA principle.

What is the condition of the stock units?

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Pre-owned Grade-A tested units in our Shanghai warehouse. Each has been powered on, calibrated, pan- and ceph- test-scanned, and photographed before crating. The videos on this page are of the actual inventory. Cosmetic condition, warranty terms and specific software license are confirmed per-unit on request.

How do I order from FOB Dental?

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Message us on WhatsApp at +86 159 5127 6160 or email [email protected]. Tell us your destination port and any upgrade preferences (CBCT module, implant planning license). We'll send current unit photos, test images, full FOB quote and lead time — same business day. No contact forms, direct chat only.

Next Step

Talk to us directly
— no forms, test image on request.

Message us on WhatsApp or email — we'll send warehouse photos, test pan + ceph images from the actual unit, full FOB quote with shipping options to your port, and upgrade pricing if you're considering CBCT later. Usually same business day.

+86 159 5127 6160 [email protected]
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