Idiopathic Condylar Resorption
What is ICR?
Mandibular Condylar
Resorption

Loss of vertical dimension of
the condyle
Creates an open bite
Muscular Instability
TMJ
Disfunction

Grinding of the teeth
Clicking or popping of the jaw
bone
Severe headaches and jaw pain
Causes of ICR
Osteoarthritis

Most common type of arthritis
Affects cartilage
Only affects joints not organs
Avascular Necrosis
A disease where cellular death occurs in bone components due to lack
of blood supply
Often leads to the...
Autoimmune Diseases

Rheumatoid arthritis
Psoriatic Arthritis
Scleroderma
Systemic Lupus
Traumatic Injuries

Injury to jaw
Fracture of mandibular condyle
Absence of Natural Estradiol

Oral contraceptives produce ethinyl or synthetic estradiol
Ethinyl estradiol increases risk ...
Who is most likely to have ICR?
“Cheerleader’s
Syndrome”

Approximately a 9:1 female to
male ratio
During time of puberty
Participate in a number of
sport...
The Competitive
Swimmer

TMJ pain due to bilateral side
breathing while swimming
Unable to fully open mouth
after hard wor...
How Can ICR Be Treated?
Orthodontics

Realignment of the teeth to
match jaw line
Improve facial esthetics
Prepare teeth for surgery
TMJ Therapy

Occlusal Splint
Soft Tissue Therapy
Medication
Jaw Surgery
Removal of hyper-plastic
synovial tissue from the joint
Articular disc is repositioned
and stabilized to the c...
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  1. 1. Idiopathic Condylar Resorption
  2. 2. What is ICR?
  3. 3. Mandibular Condylar Resorption Loss of vertical dimension of the condyle Creates an open bite Muscular Instability
  4. 4. TMJ Disfunction Grinding of the teeth Clicking or popping of the jaw bone Severe headaches and jaw pain
  5. 5. Causes of ICR
  6. 6. Osteoarthritis Most common type of arthritis Affects cartilage Only affects joints not organs
  7. 7. Avascular Necrosis A disease where cellular death occurs in bone components due to lack of blood supply Often leads to the destruction of the affected joint
  8. 8. Autoimmune Diseases Rheumatoid arthritis Psoriatic Arthritis Scleroderma Systemic Lupus
  9. 9. Traumatic Injuries Injury to jaw Fracture of mandibular condyle
  10. 10. Absence of Natural Estradiol Oral contraceptives produce ethinyl or synthetic estradiol Ethinyl estradiol increases risk of condylar resorption
  11. 11. Who is most likely to have ICR?
  12. 12. “Cheerleader’s Syndrome” Approximately a 9:1 female to male ratio During time of puberty Participate in a number of sports
  13. 13. The Competitive Swimmer TMJ pain due to bilateral side breathing while swimming Unable to fully open mouth after hard work out Severe headaches or migraines
  14. 14. How Can ICR Be Treated?
  15. 15. Orthodontics Realignment of the teeth to match jaw line Improve facial esthetics Prepare teeth for surgery
  16. 16. TMJ Therapy Occlusal Splint Soft Tissue Therapy Medication
  17. 17. Jaw Surgery Removal of hyper-plastic synovial tissue from the joint Articular disc is repositioned and stabilized to the condyle Mini anchor is placed in the posterior aspect of the condylar head Surgical repositioning of the upper and lower jaws to correct occlusal deformities

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