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Doctor insights on: Osteonecrosis Of The Jaw Bone

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What is osteonecrosis of the jaw?

What is osteonecrosis of the jaw?

A drug side-effect: The drugs for osteoporosis and metastatic bone cancer called bisphosphonates (includes fosamax, actonel, boniva, reclast, (zoledronic acid) zometa, aredia) are associated with a side-effect where part of the bone of the jaw dies, the gum sloughs off, and bone shows where the gum was lost. It is treatable but not always curable. It has also been found with bevicizumab, an anti-cancer drug, and after jaw radiation. ...Read more

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Dr. Thomas Fiala
78 doctors shared insights

Aseptic Necrosis (Definition)

Aseptic necrosis is also called osteonecrosis, avascular necrosis (AVN), or ischemic bone necrosis. It is a condition that occurs when there is diminished blood to the bone. An interruption to the blood supply causes bone to die. If the environment is not altered or improved, the involved bone may eventually collapse and ...Read more


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What's the joint between the maxilla and the zygomatic bone?

What's the  joint between the maxilla and the zygomatic bone?

synostosis: A synostosis means fusion of two bones. The joint specified above has no movement so would classify as a synostosis. ...Read more

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Swollen/moved bone in the heart side near the collar bone.

Swollen/moved bone in the heart side near the collar bone.

Dislocation?: This could be a dislocation, or slippage of where the clavicle attaches. Let your doctor assess you and see what the findings are. ...Read more

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What are the risks of Fosamax (alendronate) to osteonecrosis of the jaw?

What are the risks of Fosamax (alendronate) to osteonecrosis of the jaw?

Biphosphonates: From: http://www.merck.com ONJ, which can occur spontaneously, is generally associated with tooth extraction and/or local infection with delayed healing, and has been reported in patients taking bisphosphonates, including FOSAMAX (alendronate). Clinical judgment of the treating physician and/or oral surgeon should guide the management plan of each patient based on individual benefit/risk assessment. ...Read more

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How painful is osteonecrosis of the jaw?

How painful is osteonecrosis of the jaw?

Osteonecrosis: This most often is painful but there are times where there is not much pain. You cannot use this as diagnostic symptom. You need to have your dentist evaluate things to make sure what is going on. ...Read more

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What is avasculas necrosis of the head and neck of the femur?

What is avasculas necrosis of the head and neck of the femur?

Bone destruction : Bone death from lack of circulation. This term literally means death of the bone on the head of the femur from lack of blood supply. What caused this is very hard to determine. Sometimes the surgeon can determine what the cause is from when he or she does surgery on the hip. This condition usually means that the patient needs to have a hip replacement. ...Read more

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Does collapse of the navicular bone lead to eventual collapse of the ankle joint?

Does collapse of the navicular bone lead to eventual collapse of the ankle joint?

Not necessarily: Why did it collapse though? If one has a charcot type foot, one must be careful as there could be further breakdown in the foot. ...Read more

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How come the hip bone traditionally where bone marrow is extracted from?

How come the hip bone traditionally where bone marrow is extracted from?

Access: Good question. 1) bone marrow is present in multiple locations including the "long bones" (arms, legs), sternum, and hips , 2) the psis - posterior superior iliac spine (hip) is relatively flat with a thinner cortex, so is easier to access and is not near vital structures (like the heart and lungs). ...Read more

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What are the causes of jaw bone pain?

What are the causes of jaw bone pain?

Tooth: Or nerve problem. More likely one causing the problem in another. See your dentist for a diagnosis and treatment. ...Read more

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What are the short/long term effects of a hairline skull fracture. 3" in length from lambdoid suture forward toward the temporal bone.

What are the short/long term effects of a hairline skull fracture.  3" in length from lambdoid suture forward toward the temporal bone.

Usually none: In an adult, the type of fracture you describe really has no long-term effects. Short term problems really have to do with any associated intracranial problems (hemorrhages, contusions, etc.). Potential fractures requiring treatment are ones that are exposed through the scalp (open), significantly depressed, ones involving skull sinuses, which can leak csf, or "growing" fractures in young children. ...Read more

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Could braces straighten the alveolar bone in the gum?

Age related: As teeth are repositioned alveolar bone remodels to support the teeth within the limits of basal bone support. Talk to a qualified orthodontic specialist who will know the limits your body impose on your expected orthodontic result. ...Read more

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Does a dental panoramic X-ray show the positioning of the mandibular nerve in the lower jaw for implant planning?

Does a dental panoramic X-ray show the positioning of the mandibular nerve in the lower jaw for implant planning?

No: X-ray is2dimensional representation of a 3 dimensional object. A CBCT (Cone Beam CAT Scan) allows 360 degree look at the area. ...Read more

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What are the chances of getting a malignant bone tumor in the mandibule jaw?

What are the chances of getting a malignant bone tumor in the mandibule jaw?

Rare: Malignancies of the jaws are uncommon. The most common is multiple myeloma (usually 50-70 years), but some tumors, like osteosarcoma and ewing sarcoma are more likely in children (<20 years). No matter -- they are very rare in most groups. There are some differences between the mandible and maxilla, but they are really not that significant. ...Read more

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Mother has White line on shoulder bone x ray. In the middle of the bone. Shoulder pain for months?

Mother has White line on shoulder bone x ray. In the middle of the bone. Shoulder  pain for months?

There is not: enough information to hazard a guess. The description of the xray in non radiologic terms doesn't help much. What did it say in the xray report? ...Read more

Bone (Definition)

Bone is a living growing tissue made mostly of collagen (protein that provides soft framework) & the mineral calcium phosphate that adds strength & hardens the framework. Two types of bone are found in the body; cortical (dense compact outer layer) & trabecular (makes up inner layer, ...Read more


Dr. Charles Glueck
460 doctors shared insights

Osteonecrosis (Definition)

-death of bone. This is due 2 loss of blood supply 2 a certain bone part. Common after some injuries such as fractured navicular in the wrist, dislocation of the hip. Some R due 2 drugs , especially steroids, also alcoholism, in these cases it's usually ...Read more