Formato de historia clinica de ortodoncia

Páginas: 10 (2438 palabras) Publicado: 24 de junio de 2011

Reports of bisphosphonate-associated osteonecrosis of the jaw (BON) associated with the use of Zometa (zolendronic acid) and Aredia (pamidronate) began to surface in 2003. The majority of reported cases have been associated with dental procedures such as tooth extraction; however, less commonly BON appears to occur spontaneously in patientstaking these drugs.1 Zolendronic acid and pamidronate are intravenous (i.v.) bisphosphonates used to reduce bone pain, hypercalcemia and skeletal complications in patients with multiple myeloma, breast, lung and other cancers and Paget’s disease of bone.
Cases of BON have also been associated with the use of the oral bisphosphonates, Fosamax (alendronate), Actonel (risedronate) and Boniva(ibandronate), for the treatment of osteoporosis; however, it is not clear if these patients had other conditions that would put them at risk for developing BON.2
Clinical Presentation
The typical clinical presentation of BON includes pain, soft-tissue swelling and infection, loosening of teeth, drainage, and exposed bone.3 These symptoms may occur spontaneously, or more commonly, at the site of previoustooth extraction. Patients may also present with feelings of numbness, heaviness and dysesthesias of the jaw. However, BON may remain asymptomatic for weeks or months, and may only become evident after finding exposed bone in the jaw.
Dental Management
It is important to understand that, based on the information currently available, the risk for developing BON is much higher for cancer patientson i.v. bisphosphonate therapy than the risk for patients on oral bisphosphonate therapy. Therefore, there are different recommendations for dental management of these patients.
For patients on oral bisphosphonate therapy
The risk of developing BON in patients on oral bisphosphonate therapy appears to be very low;4 however, though the risk is small, currently millions of patients take thesedrugs. Therefore, recommendations for dental management of patients on oral bisphosphonate therapy (PDF) were developed by an expert panel assembled by the ADA’s Council on Scientific Affairs.5 These panel recommendations focus on conservative surgical procedures, proper sterile technique, appropriate use of oral disinfectants and the principles of effective antibiotic therapy. There is currently nodata from clinical trials evaluating dental management of patients on oral bisphosphonate therapy, and therefore, these recommendations are based on expert opinion only. A comprehensive oral evaluation is recommended for all patients about to begin therapy with oral bisphosphonates (or as soon as possible after beginning therapy).These recommendations do not address treatment of patients on i.v.bisphosphonate therapy or patients with BON. Refer to the information below regarding their treatment.
For patients on i.v. bisphosphonate therapy
It is important for dentists to be aware that while on treatment, invasive dental procedures should be avoided in patients receiving i.v. bisphosphonates, if possible. Dentists need to exercise their professional judgment, perhaps after consultationwith the patient’s physician, in deciding whether invasive treatment is needed under the particular clinical situations.
The prescribing information for these drugs recommends that cancer patients:
* Receive a dental examination prior to initiating therapy with intravenous bisphosphonates (Aredia and Zometa); and
* Avoid invasive dental procedures while receiving bisphosphonate treatment.For patients who develop osteonecrosis of the jaw while on bisphosphonate therapy, dental surgery may exacerbate the condition. Clinical judgment by the treating physician should guide the management plan of each patient based on an individual benefit/risk assessment.
Among tools useful to the dentist is a patient’s medical history, including medications. Dentists should be aware that patients...
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