A panoramic x-ray displayed an inter-radicular, well-defined, round radi-olucent lesion measuring approximately 0.8 X 1 cm with slightly radiopaque margins, resulting in displacement of these roots. The periapical x-ray clearly showed the periodontal ligament space and the lamina dura on both ...
For every reduction in mineral volume, an equal and opposite increment of loosely bound water was found. In both normal and altered enamel, the weight loss on ashing at 900 掳C, not attributable to CO 2 , appeared to be independent of mineral content as indicated by density and X-ray. ...