Denosumab (Amgen, Thousand Oaks, California, USA) is a new bone antiresorptive agent used in patients with osteoporosis or metastatic cancer to the bones. As with the bisphosphonates that are used as antiresorptive medications, denosumab has been associated with osteonecrosis of the jaws (ONJ). Over the past two years there has been an increase in the literature describing ONJ in patients receiving agents such as denosumab. Due to promising study results that demonstrate the effectiveness of denosumab in avoiding skeletal complications related to osteoporosis and metastatic bone disease, more patients will receive denosumab in the future. It is reported that this has the potential to become a comparable challenge to bisphosphonate related osteonecrosis of the jaws (BRONJ) for clinicians. This article describes the management of two patients that developed ONJ while receiving denosumab, reviews the incidence of ONJ associated with denosumab, and contrasts the pharmacokinetics of denosumab and the bisphosphonates. The importance of avoiding interventional dental treatment until denosumab has been withdrawn for six months cannot be overstated.Keywords: Bisphosphonates, bisphosphonate related osteonecrosis of the jaws, denosumab, denosumab associated osteonecrosis of the jaws, necrosis of the jaws.Abbreviations and acronyms: BP = bisphosphonate; BRONJ = bisphosphonate related osteonecrosis of the jaws; DONJ = denosumab associated osteonecrosis of the jaws; FDA = US Food and Drug Administration; ONJ = osteonecrosis of the jaws; OPG = osteoprotegerin; PET = positron emission tomography; RANK = receptor activator of nuclear factor kappa; RANKL = receptor activator of nuclear factor kappa-B ligand.
Two panoramic radiograph risk signs are significantly more likely to indicate contact on the CBCT scans: interruption of the white line and darkening of the root(s). Further research is required to develop CBCT prescription guidelines for surgical planning.
Formal training is essential to achieve the safe practice of sedation in dentistry or medicine. The appropriate setting for sedation should be determined as there is an increased risk outside the hospital setting. Patients should be adequately assessed and medication titrated appropriately, based on individual requirements.
Throughout the world there is considerable variation in the techniques used to manage anxious dental patients requiring treatment. Traditionally anxious or phobic dental patients may have been sent for general anaesthesia to allow dental treatment be undertaken. While this is still the case for the more invasive oral surgical procedures, such as wisdom teeth extraction, sedation in general dentistry is becoming more popular. Various sedation techniques using many different anaesthetic agents have gained considerable popularity over the past 30 years. While the practice of sedating patients for dental procedures is invaluable in the management of suitably assessed patients, patient safety must always be the primary concern. Medical, dental and psychosocial considerations must be taken into account when evaluating the patient need and the patient suitability for sedation or general anaesthesia. The regulations that govern the practice of dental sedation vary throughout the world, in particular regarding the techniques used and the training necessary for dental practitioners to sedate patients. It is necessary for medical and dental practitioners to be up to date on current practice to ensure standards of practice, competence and safety throughout our profession. This article, the first in a two-part series, will provide information to practitioners on the practice of sedation in dentistry, the circumstances where it may be appropriate instead of general anaesthesia and the risks involved with sedation. It will also discuss the specific training and qualifications required for dental practitioners to provide sedation. The second article in this series will outline the different techniques used to administer inhalation, oral and intravenous sedation in dentistry and will focus on specific methods that are practiced.
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