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When at least 3 teeth are affected, it is referred to as multiple idiopathic cervical root resorption. The causes of external cervical root resorption are poorly understood but trauma, periodontal treatment, and/or tooth whitening may be predisposing factors. [16]
After dental extractions: Duration: Variable: Types: Stage 1-Stage 3: Causes: Medications related to cancer therapy, and osteoporosis in combination with dental surgery: Risk factors: Duration of anti-resorptive or anti-angiogenic drugs, intravenous vs by-mouth: Diagnostic method: Exposed bone >8 weeks: Differential diagnosis: Osteomyelitis ...
Middle ear barotrauma (MEBT), also known to underwater divers as ear squeeze and reverse ear squeeze, is an injury caused by a difference in pressure between the external ear canal and the middle ear. It is common in underwater divers and usually occurs when the diver does not equalise sufficiently during descent or, less commonly, on ascent.
Occlusal trauma; Secondary occlusal trauma on X-ray film displays two lone-standing mandibular teeth, the lower left first premolar and canine. As the remnants of a once full complement of 16 lower teeth, these two teeth have been alone in opposing the forces associated with mastication for some time, as can be evidenced by the widened PDL surrounding the premolar.
Even so, the dentist often began extracting one tooth after another in the region of pain, often with temporary relief but usually to no real effect. [43] Today a growing body of scientific evidence indicates that this disease process, in the cancellous bone and bone marrow, is caused by bone infarcts mediated by a range of local and systemic ...
Condylar resorption, also called idiopathic condylar resorption, ICR, and condylysis, is a temporomandibular joint disorder in which one or both of the mandibular condyles are broken down in a bone resorption process. This disorder is nine times more likely to be present in females than males, and is more common among teenagers.
The association between tooth ankylosis and orthodontic treatment are also observed in some cases, in which the leakage of etchant to the junction between cementum and enamel during the surgery, damage to the junction or tilting of the tooth may be some possible mechanisms to relate the disease to the treatment.
These lesions can grow large because they apply pressure over the bone, causing resorption. The toxins released by the breakdown of granulation tissue are one of the common causes of bone resorption. There are two schools of thought regarding cyst expansion. [5] Complementary response to inflammation; Chemical reaction with Interleukin and ...