2006 May;32(5):389-98. doi: 10.1016/j.joen.2005.09.014. Clipboard, Search History, and several other advanced features are temporarily unavailable. 0000007961 00000 n These are responsible for the antimicrobial ability of NaOCl. Dissolution of porcine incisor pulps in sodium hypochlorite solutions of varying compositions and concentrations. BMC Oral Health. National Center for Biotechnology Information, Unable to load your collection due to an error, Unable to load your delegates due to an error. -?E�*�S��������h%�ʭvƺ��B�d�9��2��}iEJ�\�y�+z���˲�[��%�v��I�ֱ��z���6O�n���Q4K���Zp LJ�d]!���/ej�7�('-{�"~Oɑs0 endstream endobj 41 0 obj 135 endobj 24 0 obj << /Type /Page /Parent 19 0 R /Resources 25 0 R /Contents 34 0 R /MediaBox [ 0 0 595 794 ] /CropBox [ 0 0 595 794 ] /Rotate 0 >> endobj 25 0 obj << /ProcSet [ /PDF /Text ] /Font << /F5 30 0 R /F7 26 0 R /F9 31 0 R /F11 32 0 R /F13 36 0 R >> /ExtGState << /GS1 39 0 R /GS2 38 0 R >> >> endobj 26 0 obj << /Type /Font /Subtype /TrueType /Name /F7 /FirstChar 0 /LastChar 250 /Widths [ 333 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 250 0 0 0 0 833 0 0 333 333 0 564 250 333 250 278 500 500 500 500 500 500 500 500 500 500 278 278 0 0 564 0 921 722 667 667 722 611 556 722 722 333 389 722 611 889 722 722 556 722 667 556 611 722 0 944 0 0 0 333 0 333 0 500 333 444 500 444 500 444 333 500 500 278 278 500 278 778 500 500 500 500 333 389 278 500 500 722 500 500 444 0 200 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 333 444 444 0 500 0 0 0 0 0 0 0 0 0 250 0 0 0 0 0 0 0 0 0 0 0 0 333 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 611 0 0 0 0 0 0 0 0 0 722 0 0 0 0 0 0 0 0 0 0 0 0 444 444 444 444 0 0 0 444 0 444 444 0 0 278 0 0 0 0 0 500 500 500 500 0 0 0 500 ] /Encoding /WinAnsiEncoding /BaseFont /TTE23386C8T00+1 /FontDescriptor 28 0 R >> endobj 27 0 obj << /Type /FontDescriptor /Ascent 687 /CapHeight 656 /Descent 0 /Flags 32 /FontBBox [ -547 -307 1206 1032 ] /FontName /TTE23384E8T00+1 /ItalicAngle 0 /StemV 0 /XHeight 468 >> endobj 28 0 obj << /Type /FontDescriptor /Ascent 703 /CapHeight 656 /Descent 0 /Flags 32 /FontBBox [ -568 -307 2028 1007 ] /FontName /TTE23386C8T00+1 /ItalicAngle 0 /StemV 0 /XHeight 0 >> endobj 29 0 obj << /Type /FontDescriptor /Ascent 703 /CapHeight 656 /Descent 0 /Flags 32 /FontBBox [ -498 -307 1120 1023 ] /FontName /TTE233A808T00+1 /ItalicAngle 0 /StemV 0 /XHeight 0 >> endobj 30 0 obj << /Type /Font /Subtype /TrueType /Name /F5 /FirstChar 0 /LastChar 227 /Widths [ 333 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 250 0 0 0 0 0 0 0 333 333 0 0 250 0 250 0 500 500 500 500 0 0 0 0 0 0 0 0 0 0 0 0 0 611 611 667 722 611 611 722 0 0 444 0 0 833 0 722 611 0 611 500 0 722 0 0 0 0 0 0 0 0 0 0 333 500 500 444 500 444 278 500 500 278 0 0 278 722 500 500 500 0 389 389 278 500 444 0 0 444 389 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 250 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 500 500 500 ] /Encoding /WinAnsiEncoding /BaseFont /TTE233A808T00+1 /FontDescriptor 29 0 R >> endobj 31 0 obj << /Type /Font /Subtype /TrueType /Name /F9 /FirstChar 0 /LastChar 173 /Widths [ 333 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 250 0 0 0 0 0 0 0 333 333 0 0 0 333 0 0 500 500 500 500 0 0 0 500 0 0 333 0 0 0 0 0 0 0 667 0 722 0 0 0 0 0 500 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 333 500 0 0 0 444 0 0 0 0 0 0 0 0 556 0 0 0 389 0 278 0 0 0 0 0 389 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 250 0 0 0 0 0 0 0 0 0 0 0 0 333 ] /Encoding /WinAnsiEncoding /BaseFont /TTE23384E8T00+1 /FontDescriptor 27 0 R >> endobj 32 0 obj << /Type /Font /Subtype /TrueType /Name /F11 /FirstChar 0 /LastChar 160 /Widths [ 333 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 250 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 722 0 0 0 0 0 0 778 0 0 0 0 944 0 0 0 0 0 556 0 0 0 0 0 0 0 0 0 0 0 0 333 500 0 444 556 444 333 0 556 278 0 0 278 833 556 500 556 0 444 389 333 556 0 0 0 500 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 250 ] /Encoding /WinAnsiEncoding /BaseFont /TTE23374C8T00+1 /FontDescriptor 33 0 R >> endobj 33 0 obj << /Type /FontDescriptor /Ascent 671 /CapHeight 656 /Descent 0 /Flags 32 /FontBBox [ -558 -307 2034 1026 ] /FontName /TTE23374C8T00+1 /ItalicAngle 0 /StemV 0 /XHeight 0 >> endobj 34 0 obj << /Filter /FlateDecode /Length 35 0 R >> stream 0000001250 00000 n 1995, 1996). 2020 Oct 9;17(20):7368. doi: 10.3390/ijerph17207368. lt is dangerous to misunderstand the action of sodium hypochiorite or to use it inappropri-ately because the effectiveness of its performance can be overestimated. If sodium hypochlorite is used to oxidize iodide in a solution of acetic acid, the following reaction occurs: NaOCl + 2KI + 2HAc = I2 + NaCl + 2KAc + H2O If chlorine is used to react with the same amount of iodide, the following reaction occurs: Cl 2 + 2KI = I2 + 2KCl Therefore, a molecule of sodium hypochlorite will oxidize the same amount of iodide as a molecule of chlorine. USA.gov. Extracellular enzymes act on nutrients, carbohydrates, proteins, and lipids that, through hydrolysis, favor digestion. In acidic solution, iodide is oxidized by hypochlorite to iodine: The iodine then reacts with the starch in the test paper to produce the characteristic purple colour of the starch-iodine complex. 0000000857 00000 n 0000002463 00000 n Int J Environ Res Public Health. 0000004977 00000 n Mechanism of action of sodium hypochlorite 115 ions from calcium hydroxide develop their mechanism of action in the cytoplasmic membrane. Its large size (145 nm) and its double-stranded DNA make it a suitable model for investigating viral disinfection mech- anisms, as has been shown in previous studies (Maillard et al. 3 shows the oxidation of two moles of potassium iodide with one mole of chlorine to iodine. Sodium hypochlorite is the most used irrigating solution in endodontics, because its mechanism of action causes biosynthetic alterations in cellular metabolism and phospholipid destruction, formation of chloramines that interfere in cellular metabolism, oxidative action with irreversible enzymatic inactivation in bacteria, and lipid and fatty acid degradation. 0000005177 00000 n De-Deus G, de Berredo Pinho MA, Reis C, Fidel S, Souza E, Zehnder M. J Endod. NaOCl on ionization produces hypochlorous acid and hypochlorite ion. trailer << /Size 42 /Info 18 0 R /Encrypt 23 0 R /Root 22 0 R /Prev 24877 /ID[<5f98649ada16b99458d97dbc722887b6>] >> startxref 0 %%EOF 22 0 obj << /Type /Catalog /Pages 19 0 R /Metadata 20 0 R >> endobj 23 0 obj << /Filter /Standard /R 2 /O (i�\)�@����P��N�fjMe���c,�C�!�Hn) /U (7�b#�觶Qo��*w����ǡ���J�T��) /P -44 /V 1 /Length 40 >> endobj 40 0 obj << /S 108 /Filter /FlateDecode /Length 41 0 R >> stream Enzymes act on nutrients, carbohydrates, proteins, and clinical content https... The action of sodium hypochlorite from Diiodo Compound to Tetra-iodo Compound-Facing unreacted Triiodointermediate result?! Active Compound for the antimicrobial ability of NaOCl + 2 KI NaCl 2! Lewis D, Rowell J. Aust Dent J hypochlorite ( NaOCl ), a reducing agent, is biologically. 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