Jawbone Cavitations: Current Understanding and Conceptual Introduction of Covered Socket Residuum (CSR)
Abstract
1. Introduction
2. Methods
3. Results
3.1. Etiology of Jawbone Cavitations: Current Concepts and Theories
| Author (Year) | Study Type | Terminology Used | Primary Method | Etiological Concept |
|---|---|---|---|---|
| Roberts & Person (1979) [2] | Retrospective case series | Bone cavities at previous extraction sites | Clinical observation | Facial pain phenomena associated with cavitations at former extraction sites |
| Ratner et al. (1979) [14] | Retrospective case series | Bone cavities | Histopathological and microbiological analysis | Chronic lymphocytic inflammation with polymicrobial flora |
| Bouquot (1992) [23] | Retrospective observational study | Neuralgia-inducing cavitational osteonecrosis (NICO) | Histopathological examination | Chronic intraosseous inflammation, marrow fibrosis, necrotic bone fragments |
| Gruppo et al. (1996) [20] | Case–control study | Neuralgia-inducing cavitational osteonecrosis (NICO) | Blood coagulation and fibrinolysis analysis | Defects in thrombotic and fibrinolytic systems |
| Lechner & Mayer (2010) [11] | Retrospective case series | Neuralgia-inducing cavitational osteonecrosis (NICO) | Multiplex cytokine analysis | Overexpression of RANTES and IL-1 |
| Lechner (2014) [24] | Case–control study | Fatty degenerative osteolysis of the jawbone (FDOJ) | Correlation of radiography with inflammatory markers | Marked RANTES elevation; 2D radiography insufficient |
| Ghanaati et al. (2025) [10] | Retrospective case–control study | Jawbone cavitation | Three-dimensional radiological assessment (CBCT) | Cavitations as result of socket collapse after tooth loss |
| Ghanaati et al. (2025) [22] | Prospective randomized controlled trial | Covered Socket Residuum (CSR) | Three-dimensional radiological assessment (CBCT) | Covered non-mineralized intraosseous regions after extraction |
3.2. Conceptual Introduction of Covered Socket Residuum (CSR)
3.3. Diagnostic Approaches for CSR
3.3.1. Clinical Assessment
3.3.2. Radiological Evaluation
- Presence of non-mineralized or low-density areas within the former tooth socket area
- Non-mineralized area surrounded by mineralized bony layer in the crestal part of the jaw (figure)
- Absence of radiological criteria for other established diseases (e.g., jaw cyst and odontogeneic tumors)
- Absence of malignant criteria
3.3.3. Histopathological Analysis
3.4. Therapy
4. Discussion
4.1. Learning from Socket Healing
4.2. Clinical Implications
4.3. Prevention and Potential Therapeutic Concepts
5. Conclusions
6. Outlook
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
References
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Ghanaati, S.; Heselich, A.; Lechner, J.; Sader, R.; Bouquot, J.E.; Al-Maawi, S. Jawbone Cavitations: Current Understanding and Conceptual Introduction of Covered Socket Residuum (CSR). Bioengineering 2026, 13, 106. https://doi.org/10.3390/bioengineering13010106
Ghanaati S, Heselich A, Lechner J, Sader R, Bouquot JE, Al-Maawi S. Jawbone Cavitations: Current Understanding and Conceptual Introduction of Covered Socket Residuum (CSR). Bioengineering. 2026; 13(1):106. https://doi.org/10.3390/bioengineering13010106
Chicago/Turabian StyleGhanaati, Shahram, Anja Heselich, Johann Lechner, Robert Sader, Jerry E. Bouquot, and Sarah Al-Maawi. 2026. "Jawbone Cavitations: Current Understanding and Conceptual Introduction of Covered Socket Residuum (CSR)" Bioengineering 13, no. 1: 106. https://doi.org/10.3390/bioengineering13010106
APA StyleGhanaati, S., Heselich, A., Lechner, J., Sader, R., Bouquot, J. E., & Al-Maawi, S. (2026). Jawbone Cavitations: Current Understanding and Conceptual Introduction of Covered Socket Residuum (CSR). Bioengineering, 13(1), 106. https://doi.org/10.3390/bioengineering13010106

