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Bone dynamics in the upward direction after a maxillary sinus floor elevation procedure: serial segmentation using
Seung-Jun Seo1, Chung Wung Bark2, Jae-Hong Lim1
1Industrial Technology Convergence Center, Pohang Accelerator Laboratory, POSTECH, Pohang, Gyeongbuk, Republic of Korea.
International Journal of Nanomedicine
|September 9, 2015
Summary
Maxillary sinus floor elevation reliably increases bone volume. Synchrotron radiation X-ray micro-computed tomography (SR-μCT) effectively analyzes new bone and bone substitutes, proving valuable for tissue engineering.
Area of Science:
- Oral surgery
- Biomaterials science
- Radiology
Background:
- Maxillary sinus floor augmentation is a predictable technique for increasing bone volume in the posterior maxilla.
- Understanding bone regeneration and substitute integration is crucial for successful augmentation.
Purpose of the Study:
- To analyze newly formed bone and bone substitutes after maxillary sinus floor elevation (MSFE).
- To evaluate the effectiveness of synchrotron radiation X-ray micro-computed tomography (SR-μCT) for imaging bone dynamics.
Main Methods:
- Bone biopsy specimens were collected 6 months post-MSFE.
- Serial slice image segmentation was performed on 3D reconstructed SR-μCT images at 8 μm intervals.
- Quantification of new bone and bone substitutes was conducted on 300-430 images per specimen.
Main Results:
- Analysis revealed bone dynamics between new bone and substitutes in the inferior-superior direction.
- Despite structural inhomogeneity, MSFE was confirmed as a reliable bone-increasing procedure.
- SR-μCT provided high-resolution imaging of the bone specimens.
Conclusions:
- SR-μCT is highly effective for high-resolution imaging of biological specimens.
- The analysis of bone dynamics using SR-μCT is reliable.
- SR-μCT shows promise as a key tool in tissue engineering research.
