What We Need From You
The quality of the surgical solution we design depends directly on the quality of the imaging data you provide. These are our requirements — general rules that apply to every case, followed by procedure-specific details.
All Cases
General Imaging Requirements
These apply to every case we receive, regardless of procedure type.
- 1
Equipment must be calibrated for a 1:1 data ratio.
- 2
Scans must include coronal, sagittal, and axial planes.
- 3
Provide both soft tissue and bone reconstructions with slice thickness <1 mm (ideally 0.625 mm).
- 4
Spacing between slices or inter-slice distance MUST be less than or equal to the slice thickness.
- 5
Share the complete RAW, unprocessed, and uncompressed DICOM folder post-export.
- 6
No motion artifacts allowed — patient must remain still throughout the scan. Any movement requires a repeat scan.
- 7
Minimize metallic artifacts (e.g. braces, jewelry).
- 8
CBCT is not preferred. If used, a quality disclaimer and waiver will be required.
Recommended Convolution Kernel by Scanner
| Scanner | Kernel / Algorithm |
|---|---|
| GE | Bone, Boneplus, HDBONE, Ultra |
| Philips | D, E, YA, YB, YC, YD |
| Siemens | B60, B70, B75, B80 (legacy); Br56, Br59, Br69 (ADMIRE) |
| Toshiba / Canon | FC30, FC50, FC80, FC81 |
| UIH | Sharp |
By Procedure
Procedure-Specific Requirements
In addition to the general requirements above, each procedure type has specific imaging and data needs.
Free Flap Fibula Surgery
- CT of head and neck (jaw open with a 1 cm gap using non-radio-opaque aid).
- CT Angiography of lower limbs — ensure all vessels are clearly visualized.
- Intraoral scans of upper and lower arches and bite scan are recommended — to be shared in .stl or .obj or .ply file format.
- Provide dental drill sleeves for your chosen implant system to enable integration with the fibula guide.
Moulds for Cranioplasty with PMMA Implants
- CT of the entire head and neck region.
Spine and Vertebral Models
- Contrast-enhanced CT required if vertebral artery tracing and visualization is needed.
Orthognathic Surgery
- CT of head and neck (jaw open with a 1 cm gap using non-radio-opaque aid).
- Intraoral scans of upper and lower arches and bite scan are mandatory — to be shared in .stl or .obj or .ply file format.
- If intraoral scan is not feasible, courier us the stone models.
- Clinical photographs of the upper and lower arch, bite and full face (anterior, lateral).
Note: This service is limited to bony movement simulations and does not extend to soft tissue prediction.
Dental Implant Planning
- CT of head and neck only (jaw open with a 1 cm gap, use a non-radio-opaque aid if needed).
- Intraoral scans of the upper and lower arches, and bite scan are mandatory — to be shared in .stl or .obj or .ply file format.
- CT or optical scan of the temporary prosthesis/denture.
- CT of head and neck while wearing the temporary prosthesis in occlusion.
- Provide dental drill sleeves for your chosen implant system to enable integration with the fibula guide.
Zygoma Implant Planning
- CT of head and neck (jaw open with a 1 cm gap using non-radio-opaque aid).
- Intraoral scans of upper and lower arches and bite scans are mandatory — to be shared in .stl or .obj or .ply file format.
- If intraoral scan is not feasible, courier us the stone models.
Option A
- CT or optical scan of the temporary prosthesis.
- CT of head and neck (jaw open with a 1 cm gap using non-radio-opaque aid).
- CT of head and neck with temporary prosthesis in occlusion.
Option B
- CT of temporary prosthesis (with radio-opaque markers).
- CT of head and neck with prosthesis (with markers) in occlusion.
Titanium Patient-Specific Implants (Ti-PSI)
- CT of head and neck with a slice thickness of 0.625 mm only.
- It is critical that there are no artifacts of any kind present in the scan.
- Scan must fully capture the region of interest and surrounding anatomy.
Orthopedic Models
- Scan must fully capture the region of interest and surrounding anatomy.
- Contrast-enhanced CT / CT Angiography required if arterial tracing and visualization is needed.
Cranial Helmets
- CT scan of the head and neck must be taken with a slice thickness of 1 mm or less.
- Scan must fully capture the area of interest and surrounding anatomy.
- Soft padding may be used to stabilize the head, but it must not distort the natural contour of the head or ears. Avoid any materials or devices (e.g., bandages, catheters, monitoring equipment) that could interfere with or alter head shape.
- If the CT scan is more than 30 days old, or if there are noticeable changes in head shape, alternate imaging or additional measurements may be required.
Anatomical Models and Surgical Guides
- CT of head and neck with a slice thickness of 0.625 mm only.
- Scan must fully capture the region of interest and surrounding anatomy.
- If applicable, CT scan of the entire head and neck (jaw open with a 1 cm gap, use a non-radio-opaque aid if needed).
Metal Artifact Reduction (MAR)
Metallic artifacts can significantly impact the accuracy of planning, design, and fitment of surgical guides and anatomical models. In cases with metallic hardware (e.g., plates/screws/dental restorations), please reconstruct the CT scan using the scanner's Metal Artifact Reduction (MAR) algorithm (iMAR / O-MAR / SEMAR / CLIMAR or equivalent) and provide both the original and MAR-corrected DICOM series. Let us know if you need any further information!
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