endodontic intervention in necrotic immature permanent teeth is usually a clinical challenge. with appropriate case selection, regenerative treatment can be effective, providing a desirable outcome. however, there is still no consensus on the optimal disinfection protocol or the method to achieve predictable clinical outcome. this article presents two cases of regenerative treatment in necrotic...

Case 1: A female baby weighing 3 kg referred from a small town near Afghanistan border, after providing initial surgical care for gastroschisis. In privately owned vehicle it takes more than 36 hours to reach our facility from the hospital, where patient was managed initially. The baby was delivered with no antenatal workup. Following birth the patient was immediately transferred to the militar...

• Major depressive disorder is a risk factor in the development of coronary heart disease. Individuals with depression are more likely to experience an adverse cardiac event such as a heart attack or blood clots. Depression has proven to be such a risk factor in cardiac disease that the American Heart Association has recommended that all cardiac patients be screened for depression. • People who...

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We show that for any computably enumerable (c.e.) degree a and any low n–c.e. degree l (n ≥ 1), if l < a, then there are n–c.e. degrees a0,a1 such that l < a0,a1 < a and a0 ∨ a1 = a. In particular, there is no low maximal d.c.e. degree.