CSR – identifying and treating hidden sources of inflammation in the jaw
Dear Patients,
In our newsletter of 23 January 2026, we already pointed out that chronic inflammatory processes in the jaw area can have a significant impact on general health. In this context, we used the term ‘cavitation’.
Due to further scientific developments, the more precise term ‘Covered Socket Residuum’ (CSR) is now used to describe these changes in the jawbone.
A CSR describes impaired healing in the bone, which promotes silent inflammatory processes and places a permanent strain on the immune system. In this article, we would like to build on this and explain exactly what is meant by this term, how it arises, and why its modern diagnosis and treatment are a central component of biologically integrative dentistry.
CSR – what really happens in the jaw
CSR – what really happens in the jaw
Covered socket residues occur when the jawbone does not heal completely following a tooth extraction or previous surgical procedure. Even if a solid bony wall forms on the outside, cavities with poor blood supply, which have not ossified or have even degenerated into fatty tissue, may remain inside. These areas are indicative of a healing deficit that the body cannot resolve on its own.
Such changes can, in principle, occur after any tooth extraction. However, they are often more pronounced when a tooth that has undergone root canal treatment, is dead, or has been filled with amalgam has been removed.
If a dead or amalgam-filled tooth remains in the jaw for months or even years, the body reacts to the prolonged exposure to bacterial toxins and immunological stimuli. Initially, the surrounding bone begins to dissolve, often accompanied by fatty deposits, known as hypodense areas. In a subsequent stage, the body attempts to encapsulate the problem. To do this, it deposits increased amounts of minerals in a circular pattern around the root. This results in bone with reduced blood supply and hypermineralisation, i.e. hyperdense areas.
What may remain in the bone after extraction after extraction
Hypodense areas (CSR) can appear different under the microscope:
- Osteomyelitis
- Osteonecrosis
- Chronic inflammation
- Lipid degeneration
- Fibrosis
Hyperdense areas are usually indicative of excessive mineral deposits.
All these changes represent chronic healing deficits that the body does not spontaneously regenerate, even after the extraction of the affected tooth. As they usually do not cause acute pain, they often remain undetected for many years, yet place a permanent strain on the immune system. Hypermineralised areas and CSR also interfere with the healing of bone grafts and implants if they are not adequately removed beforehand.
Why is CSR relevant to health?
CSR can lead to persistent activation of the immune system. This results in the release of inflammatory mediators, particularly RANTES (CCL5). Furthermore, CSR is often associated with an unfavourable balance of the immune system’s T-helper cells, known as a TH2 shift. In this immune state, the body is unable to initiate spontaneous wound healing. Spontaneous healing is therefore generally not possible.
The messenger substance RANTES is associated in the scientific literature with various conditions, including:
- silent systemic inflammation,
- autoimmune diseases,
- neuroinflammatory conditions such as MS,
- chronic joint inflammation such as rheumatoid arthritis,
- arteriosclerosis and vascular inflammation,
- various tumour types,
- atopic dermatitis.
CSRs may therefore not only be a local problem within the jaw, but may also affect the entire body. However, a direct link has not yet been conclusively proven scientifically.
Modern diagnostics: 3D DVT and new visualisation methods
Conventional X-rays are often insufficient for reliably detecting a CSR. Digital volume tomography (DVT), on the other hand, provides high-resolution 3D data sets that enable a precise assessment of bone structure. However, even these alone do not allow even experienced surgeons to diagnose everything with certainty.
A key advancement is the new visualisation method developed by Visiogenics UG, a spin-off from the University of Frankfurt led by Prof. Shahram Ghanaati. Using this technology, the DVT data is processed in such a way that hypodense and hyperdense areas in the jawbone, including their exact extent and their proximity to important anatomical structures such as nerves or the maxillary sinus, become clearly visible.
This reveals information that remains hidden in two-dimensional X-ray images. The method enables significantly more precise diagnosis and is also of great importance for implantology, as altered bone areas can significantly impair the healing of an implant.
How is CSR addressed?
CSRs can be treated if they are correctly diagnosed. In modern integrative dentistry, treatment is guided by the concepts developed by Prof. Ghanaati, in particular the ARENA Protocol™ and Guided Open Wound Healing (GOWH™).
The basic principles of the treatment are:
- precise 3D diagnostics using DVT and visualisation,
- systemic preparation, for example through diet, micronutrients and hydration,
- gentle removal of the inflamed tissue,
- biological activation of the bone,
- use of the body’s own blood concentrates for regeneration,
- open, guided wound healing for optimal bone regeneration.
The aim is to restore the bone to a condition in which it can heal naturally and stably.
Our approach at the Alpstein Clinic
At the Alpstein Clinic, we work according to the modern biological principles of integrative dentistry developed by Prof. Ghanaati, as set out in the ARENA Protocol™ and Guided Open Wound Healing (GOWH™). We also use the visualisation method developed by Visiogenics UG to ensure accurate diagnosis.
In this way, we lay the foundations for healthy regeneration, stable implants and improved general health.
Dr. med. dent. Sarah Schomberg
We look forward to meeting you in person
Would you like to find out more about CSR, modern diagnostic methods and biological treatment approaches? We would be happy to advise you in person at the Alpstein Clinic.
