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Fluorescent labeling analysis and electron probe microanalysis for alveolar ridge augmentation using calcium
Kenji Fujikawa1, Akiyoshi Sugawara, Kaoru Kusama
1Department of Periodontology, Nihon University School of Dentistry, 1-8-13, Kanda-Surugadai, Chiyoda-ku, Tokyo, Japan.
Dental Materials Journal
|March 1, 2003
Summary
Calcium phosphate cement (CPC) blocks effectively augment alveolar ridges and fix implants. These blocks integrate with natural bone, showing successful bone regeneration and implant osseointegration in canine studies.
Area of Science:
- Biomaterials Science
- Regenerative Medicine
- Oral and Maxillofacial Surgery
Background:
- Previous histopathology demonstrated bone regeneration with calcium phosphate cement (CPC) augmentation blocks.
- CPC blocks were placed on alveolar bone ridges for augmentation and implant fixation.
Purpose of the Study:
- To further evaluate the bone regeneration and osseointegration of CPC augmentation blocks.
- To assess new bone formation and elemental composition at the surgical site using advanced imaging techniques.
Main Methods:
- Fluorescent labeling analysis (FLA) was used to visualize and quantify new bone formation.
- Electron probe microanalysis (EPMA) measured elemental (Ca, P, Mg) distributions in the augmented area.
- Canine models were utilized, with injections of fluorescent labeling agents during the healing period.
Main Results:
- FLA confirmed the presence of newly formed bone by 1 month post-surgery.
- EPMA revealed that elemental distributions at the augmentation site mirrored residual bone by 6 months.
- Both FLA and EPMA demonstrated chronological encirclement and fixation of implants by newly formed natural bone.
Conclusions:
- CPC augmentation blocks are effective for alveolar ridge augmentation.
- CPC blocks facilitate osteointegrated implant fixation, integrating seamlessly with host bone.
- The study confirms the utility of CPC in bone regenerative applications.