The incidence of thromboembolic diseases is high. It is one of the leading causes of death and disability. Anticoagulants are used for preventing or reducing blood clot formation and treatment of other related thrombotic disorders. Vitamin K antagonists (VKA) were developed more than 60 years ago. Warfarin is the most commonly used VKA. The drawbacks of vitamin K antagonists were that it requires frequent monitoring and dose adjustments, food and drug interactions, narrow therapeutic range, diet restrictions. For the past 15 years, various new drugs have been introduced to overcome the disadvantages of vitamin K antagonists. In 2008, a new group of anticoagulants were introduced. They are known as novel anticoagulants (NOAC) or direct oral anticoagulants. They include dabigatran, apixaban, rivaroxaban and edoxaban. The major issue with NOAC is difficulty in monitoring the dose. A literature search was done on this topic. It is very important for the dentists to know the bleeding complications in patients under anticoagulant therapy. The dental treatment of patients who tend to have an increased risk of bleeding due to the use of anticoagulants and / or antiplatelet drugs raises a challenge in the daily practice of dental professionals. According to current evidence, there is no significant difference in postoperative bleeding between novel anticoagulants and vitamin K antagonists. The risk of thromboembolic events on stopping the anticoagulants should be assessed. Local haemostatic measures are shown to suffice to control possible bleeding secondary to dental treatments. KEY WORDS Anticoagulants; Apixaban; Dabigatran; Dentistry; Edoxaban; Rivaroxaban.
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