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PROPHYLAXIS OF DENTAL DECAY. 227
Mercurous oxide 40000 Carbolic acid 313
Peroxide of hydrogen 20000 Permanganate of potash 286
Bichloride of mercury 14300 Arsenious acid . 270
Boric acid
Nitrate of silver 12500 Borax .... 130
.
Iodine 4000 14
Salicylic acid 1000 Alcohol 10.5
Mineral acids . 1 : 500 to 1 333
In the Deutsche medicmische Wochmschnft for 1884 I gave in
the form of a table the results of a series of experiments which
I undertook for the purpose of determining the action of a
number of antiseptics upon the bacteria of the human mouth.
This table, to which a number of materials have recently been
added, follows here
Development of
Antiseptics. Bacteria prevented by
Bichloride of mercury 100000
Nitrate of silver oOOOO
Peroxide of hydrogen 8000
Iodine 6000
Iodoform 5000
Naphthaline 4000
Salicylic acid 2000
Benzoic acid 1500
Permanganate of potash 1000
Oil of eucalyptus 600
Carbolic acid 500
Hydrochloric acid 500
Biborate of sodium 350
Arsenious acid 250
Chloride of zinc 250
Lactic acid 125
Carbonate of sodium . 100
Listerine 20
Absolute alcohol 10
Chlorate of potash
It is e^-ident that it would not do to tax the value of these
materials for therapeutic purposes exactly according to the above
numbers. Whoever, for example, would consider bichloride of
mercury, particularly for dental purposes, two hundi*ed times
as active as carbolic acid would make a great mistake, since the
former can as a rule be applied only in dilute solutions, whereas
the latter may usually be made use of in concentrated form.
In connection with the antiseptic materials used in the human
PROPHYLAXIS OF DENTAL DECAY. 227
Mercurous oxide 40000 Carbolic acid 313
Peroxide of hydrogen 20000 Permanganate of potash 286
Bichloride of mercury 14300 Arsenious acid . 270
Boric acid
Nitrate of silver 12500 Borax .... 130
.
Iodine 4000 14
Salicylic acid 1000 Alcohol 10.5
Mineral acids . 1 : 500 to 1 333
In the Deutsche medicmische Wochmschnft for 1884 I gave in
the form of a table the results of a series of experiments which
I undertook for the purpose of determining the action of a
number of antiseptics upon the bacteria of the human mouth.
This table, to which a number of materials have recently been
added, follows here
Development of
Antiseptics. Bacteria prevented by
Bichloride of mercury 100000
Nitrate of silver oOOOO
Peroxide of hydrogen 8000
Iodine 6000
Iodoform 5000
Naphthaline 4000
Salicylic acid 2000
Benzoic acid 1500
Permanganate of potash 1000
Oil of eucalyptus 600
Carbolic acid 500
Hydrochloric acid 500
Biborate of sodium 350
Arsenious acid 250
Chloride of zinc 250
Lactic acid 125
Carbonate of sodium . 100
Listerine 20
Absolute alcohol 10
Chlorate of potash
It is e^-ident that it would not do to tax the value of these
materials for therapeutic purposes exactly according to the above
numbers. Whoever, for example, would consider bichloride of
mercury, particularly for dental purposes, two hundi*ed times
as active as carbolic acid would make a great mistake, since the
former can as a rule be applied only in dilute solutions, whereas
the latter may usually be made use of in concentrated form.
In connection with the antiseptic materials used in the human
