Quarterly Journal of Dental Science, Volume 1

Front Cover
1858
 

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Page 33 - As nitrous oxide in its extensive operation appears capable of destroying physical pain, it may probably be used with advantage during surgical operations in which no great effusion of blood takes place.
Page 225 - The following gentlemen were balloted for and duly elected members of the Society.
Page 74 - These foci vary according to the distance of the radiant points. lu every lens the right line perpendicular to the two surfaces is called the axis of the lens, and is seen in the annexed figure ; the point where the axis cuts the surface is called the vertex of the lens.
Page 356 - The Council may at any time call a Special General Meeting, and they shall at all times be bound to do so on the written requisition of Ten Members, specifying the nature of the business to be transacted. Notice of the time and place of such Meeting shall be sent to the Members at least fourteen days previously, mentioning the subject to be brought forward ; and no other subject shall be discussed at such Meeting.
Page 194 - May, one thousand eight hundred and sixty-six, no person shall be entitled to recover any charge in any court of law for any medical or surgical advice, or...
Page 34 - The odor of any volatile substance is, however, no longer perceived after a patient begins to inhale. In respect to its pungency, it has a great advantage over both ether and chloroform, being much less pungent than either of them. Thus, whilst the patient, especially if a female, often complains of a choking feeling and want of breath, in commencing to inhale chloroform, and two or three minutes are lost before the...
Page 97 - The greater degree of sensitiveness observable in the dentine immediately below the enamel — that is, at the point of ultimate distribution of the dentinal tubes, and consequently of their contents — may be fully accounted for on the supposition that the latter are organs of sensation, and subject to the same laws as nerves of sensation, the highest sensibility of which is confined to their terminal branches.
Page 124 - ... should be, especially by lamplight, in the axis of the microscope. For obscure objects, seen by transmitted light, and for outline, a full central illumination is commonly best ; but for seeing delicate lines, like those on the scales of insects, it should be made to fall obliquely, and in a direction at right angles to the lines to be viewed. The diaphragm is often of great use in modifying the light and stopping such rays as would confuse the image (especially with low or moderate powers) ;...
Page 28 - There was a foul, dark, fungoid tumour, which occasionally bled, and from which she suffered much pain during every attempt to speak or masticate food ; it was the size of a small walnut. On examining it with the finger, I detected two broken incisors (the middle and left lateral of the lower jaw) leaning inwards, and with sharppointed edges fitting into the centre of the tumour.
Page 69 - ... these facts establish that the magnifying property of lenses was known to the Greeks and Romans nearly two thousand years ago. We may besides advance a step further, and borrow from Seneca a passage whence the same truth will emerge in a manner still more direct and decisive. In the " Natural Questions " we read : " However small and obscure the writing may be, it appears larger and clearer when viewed through a globule of glass filled with water.

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