char = E;code = 69
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char = l;code = 108
char = u;code = 117
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char = t;code = 116
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char = f;code = 102
char = ;code = 32
char = p;code = 112
char = H;code = 72
char = ;code = 32
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char = d;code = 100
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char = c;code = 99
char = a;code = 97
char = l;code = 108
char = c;code = 99
char = i;code = 105
char = u;code = 117
char = m;code = 109
char = ;code = 32
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = r;code = 114
char = e;code = 101
char = l;code = 108
char = e;code = 101
char = a;code = 97
char = s;code = 115
char = e;code = 101
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char = o;code = 111
char = f;code = 102
char = ;code = 32
char = c;code = 99
char = a;code = 97
char = l;code = 108
char = c;code = 99
char = i;code = 105
char = u;code = 117
char = m;code = 109
char = ;code = 32
char = h;code = 104
char = y;code = 121
char = d;code = 100
char = r;code = 114
char = o;code = 111
char = x;code = 120
char = i;code = 105
char = d;code = 100
char = e;code = 101
char = ;code = 32
char = p;code = 112
char = a;code = 97
char = s;code = 115
char = t;code = 116
char = e;code = 101
char = s;code = 115
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char = c;code = 99
char = o;code = 111
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char = t;code = 116
char = a;code = 97
char = i;code = 105
char = n;code = 110
char = i;code = 105
char = n;code = 110
char = g;code = 103
char = ;code = 32
char = d;code = 100
char = i;code = 105
char = f;code = 102
char = f;code = 102
char = e;code = 101
char = r;code = 114
char = e;code = 101
char = n;code = 110
char = t;code = 116
char = ;code = 32
char = s;code = 115
char = u;code = 117
char = b;code = 98
char = s;code = 115
char = t;code = 116
char = a;code = 97
char = n;code = 110
char = c;code = 99
char = e;code = 101
char = s;code = 115
char = .;code = 46
result sql = Evaluation of pH and calcium ion release of calcium hydroxide pastes containing different substances.
Evaluation of pH and calcium ion release of calcium hydroxide pastes containing different substances.
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char = I;code = 73
char = N;code = 78
char = T;code = 84
char = R;code = 82
char = O;code = 79
char = D;code = 68
char = U;code = 85
char = C;code = 67
char = T;code = 84
char = I;code = 73
char = O;code = 79
char = N;code = 78
char = ;code = 32
char = :;code = 58
char = ;code = 32
char = <;code = 60
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char = e;code = 101
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char = j;code = 106
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char = o;code = 111
char = f;code = 102
char = ;code = 32
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char = s;code = 115
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char = t;code = 116
char = e;code = 101
char = d;code = 100
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char = t;code = 116
char = h;code = 104
char = ;code = 32
char = d;code = 100
char = i;code = 105
char = f;code = 102
char = f;code = 102
char = e;code = 101
char = r;code = 114
char = e;code = 101
char = n;code = 110
char = t;code = 116
char = ;code = 32
char = s;code = 115
char = u;code = 117
char = b;code = 98
char = s;code = 115
char = t;code = 116
char = a;code = 97
char = n;code = 110
char = c;code = 99
char = e;code = 101
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char = .;code = 46
char = <;code = 60
char = b;code = 98
char = r;code = 114
char = /;code = 47
char = >;code = 62
char = <;code = 60
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char = /;code = 47
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char = <;code = 60
char = b;code = 98
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char = M;code = 77
char = E;code = 69
char = T;code = 84
char = H;code = 72
char = O;code = 79
char = D;code = 68
char = S;code = 83
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char = :;code = 58
char = ;code = 32
char = <;code = 60
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char = b;code = 98
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char = F;code = 70
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char = t;code = 116
char = y;code = 121
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char = r;code = 114
char = y;code = 121
char = l;code = 108
char = i;code = 105
char = c;code = 99
char = ;code = 32
char = t;code = 116
char = e;code = 101
char = e;code = 101
char = t;code = 116
char = h;code = 104
char = ;code = 32
char = w;code = 119
char = i;code = 105
char = t;code = 116
char = h;code = 104
char = ;code = 32
char = s;code = 115
char = i;code = 105
char = m;code = 109
char = u;code = 117
char = l;code = 108
char = a;code = 97
char = t;code = 116
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = r;code = 114
char = o;code = 111
char = o;code = 111
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char = a;code = 97
char = n;code = 110
char = a;code = 97
char = l;code = 108
char = s;code = 115
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char = e;code = 101
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char = e;code = 101
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char = o;code = 111
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char = c;code = 99
char = c;code = 99
char = o;code = 111
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char = g;code = 103
char = ;code = 32
char = t;code = 116
char = o;code = 111
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
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char = a;code = 97
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char = c;code = 99
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char = s;code = 115
char = o;code = 111
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char = d;code = 100
char = e;code = 101
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char = p;code = 112
char = a;code = 97
char = s;code = 115
char = t;code = 116
char = e;code = 101
char = :;code = 58
char = ;code = 32
char = c;code = 99
char = h;code = 104
char = l;code = 108
char = o;code = 111
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char = h;code = 104
char = e;code = 101
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char = i;code = 105
char = d;code = 100
char = i;code = 105
char = n;code = 110
char = e;code = 101
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char = (;code = 40
char = C;code = 67
char = H;code = 72
char = X;code = 88
char = );code = 41
char = ;code = 32
char = i;code = 105
char = n;code = 110
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char = m;code = 109
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char = a;code = 97
char = t;code = 116
char = i;code = 105
char = o;code = 111
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char = ;code = 32
char = (;code = 40
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char = %;code = 37
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char = t;code = 116
char = i;code = 105
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char = l;code = 108
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char = ,;code = 44
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char = e;code = 101
char = a;code = 97
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char = i;code = 105
char = a;code = 97
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char = s;code = 115
char = y;code = 121
char = l;code = 108
char = v;code = 118
char = e;code = 101
char = s;code = 115
char = t;code = 116
char = r;code = 114
char = i;code = 105
char = s;code = 115
char = ;code = 32
char = S;code = 83
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char = ;code = 32
char = e;code = 101
char = x;code = 120
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char = a;code = 97
char = s;code = 115
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char = e;code = 101
char = d;code = 100
char = ;code = 32
char = s;code = 115
char = t;code = 116
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = s;code = 115
char = t;code = 116
char = i;code = 105
char = c;code = 99
char = a;code = 97
char = l;code = 108
char = l;code = 108
char = y;code = 121
char = ;code = 32
char = b;code = 98
char = y;code = 121
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = a;code = 97
char = l;code = 108
char = y;code = 121
char = s;code = 115
char = i;code = 105
char = s;code = 115
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = v;code = 118
char = a;code = 97
char = r;code = 114
char = i;code = 105
char = a;code = 97
char = n;code = 110
char = c;code = 99
char = e;code = 101
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = T;code = 84
char = u;code = 117
char = k;code = 107
char = e;code = 101
char = y;code = 121
char = ;code = 32
char = t;code = 116
char = e;code = 101
char = s;code = 115
char = t;code = 116
char = ;code = 32
char = (;code = 40
char = a;code = 97
char = l;code = 108
char = p;code = 112
char = h;code = 104
char = a;code = 97
char = ;code = 32
char = =;code = 61
char = ;code = 32
char = 0;code = 48
char = .;code = 46
char = 0;code = 48
char = 5;code = 53
char = );code = 41
char = .;code = 46
char = <;code = 60
char = b;code = 98
char = r;code = 114
char = /;code = 47
char = >;code = 62
char = <;code = 60
char = b;code = 98
char = r;code = 114
char = /;code = 47
char = >;code = 62
char = <;code = 60
char = b;code = 98
char = >;code = 62
char = R;code = 82
char = E;code = 69
char = S;code = 83
char = U;code = 85
char = L;code = 76
char = T;code = 84
char = S;code = 83
char = ;code = 32
char = :;code = 58
char = ;code = 32
char = <;code = 60
char = /;code = 47
char = b;code = 98
char = >;code = 62
char = C;code = 67
char = a;code = 97
char = l;code = 108
char = c;code = 99
char = i;code = 105
char = u;code = 117
char = m;code = 109
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = a;code = 97
char = l;code = 108
char = y;code = 121
char = s;code = 115
char = i;code = 105
char = s;code = 115
char = ;code = 32
char = r;code = 114
char = e;code = 101
char = v;code = 118
char = e;code = 101
char = a;code = 97
char = l;code = 108
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = s;code = 115
char = i;code = 105
char = g;code = 103
char = n;code = 110
char = i;code = 105
char = f;code = 102
char = i;code = 105
char = c;code = 99
char = a;code = 97
char = n;code = 110
char = t;code = 116
char = ;code = 32
char = d;code = 100
char = i;code = 105
char = f;code = 102
char = f;code = 102
char = e;code = 101
char = r;code = 114
char = e;code = 101
char = n;code = 110
char = c;code = 99
char = e;code = 101
char = s;code = 115
char = ;code = 32
char = (;code = 40
char = P;code = 80
char = ;code = 32
char = <;code = 60
char = ;code = 32
char = .;code = 46
char = 0;code = 48
char = 5;code = 53
char = );code = 41
char = ;code = 32
char = f;code = 102
char = o;code = 111
char = r;code = 114
char = ;code = 32
char = 1;code = 49
char = %;code = 37
char = ;code = 32
char = C;code = 67
char = H;code = 72
char = X;code = 88
char = ;code = 32
char = s;code = 115
char = o;code = 111
char = l;code = 108
char = u;code = 117
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = 2;code = 50
char = %;code = 37
char = ;code = 32
char = C;code = 67
char = H;code = 72
char = X;code = 88
char = ;code = 32
char = g;code = 103
char = e;code = 101
char = l;code = 108
char = ;code = 32
char = a;code = 97
char = t;code = 116
char = ;code = 32
char = 1;code = 49
char = 0;code = 48
char = ;code = 32
char = m;code = 109
char = i;code = 105
char = n;code = 110
char = u;code = 117
char = t;code = 116
char = e;code = 101
char = s;code = 115
char = .;code = 46
char = ;code = 32
char = A;code = 65
char = f;code = 102
char = t;code = 116
char = e;code = 101
char = r;code = 114
char = ;code = 32
char = 2;code = 50
char = 4;code = 52
char = ;code = 32
char = h;code = 104
char = o;code = 111
char = u;code = 117
char = r;code = 114
char = s;code = 115
char = ,;code = 44
char = ;code = 32
char = 2;code = 50
char = %;code = 37
char = ;code = 32
char = C;code = 67
char = H;code = 72
char = X;code = 88
char = ;code = 32
char = g;code = 103
char = e;code = 101
char = l;code = 108
char = ;code = 32
char = x;code = 120
char = ;code = 32
char = C;code = 67
char = o;code = 111
char = n;code = 110
char = t;code = 116
char = r;code = 114
char = o;code = 111
char = l;code = 108
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = 2;code = 50
char = %;code = 37
char = ;code = 32
char = C;code = 67
char = H;code = 72
char = X;code = 88
char = ;code = 32
char = g;code = 103
char = e;code = 101
char = l;code = 108
char = ;code = 32
char = x;code = 120
char = ;code = 32
char = 1;code = 49
char = %;code = 37
char = ;code = 32
char = C;code = 67
char = H;code = 72
char = X;code = 88
char = ;code = 32
char = s;code = 115
char = o;code = 111
char = l;code = 108
char = u;code = 117
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = d;code = 100
char = i;code = 105
char = f;code = 102
char = f;code = 102
char = e;code = 101
char = r;code = 114
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = s;code = 115
char = i;code = 105
char = g;code = 103
char = n;code = 110
char = i;code = 105
char = f;code = 102
char = i;code = 105
char = c;code = 99
char = a;code = 97
char = n;code = 110
char = t;code = 116
char = l;code = 108
char = y;code = 121
char = ;code = 32
char = (;code = 40
char = P;code = 80
char = ;code = 32
char = <;code = 60
char = ;code = 32
char = .;code = 46
char = 0;code = 48
char = 5;code = 53
char = );code = 41
char = .;code = 46
char = ;code = 32
char = A;code = 65
char = f;code = 102
char = t;code = 116
char = e;code = 101
char = r;code = 114
char = ;code = 32
char = 4;code = 52
char = 8;code = 56
char = ;code = 32
char = h;code = 104
char = o;code = 111
char = u;code = 117
char = r;code = 114
char = s;code = 115
char = ,;code = 44
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = r;code = 114
char = e;code = 101
char = ;code = 32
char = w;code = 119
char = e;code = 101
char = r;code = 114
char = e;code = 101
char = ;code = 32
char = s;code = 115
char = i;code = 105
char = g;code = 103
char = n;code = 110
char = i;code = 105
char = f;code = 102
char = i;code = 105
char = c;code = 99
char = a;code = 97
char = n;code = 110
char = t;code = 116
char = ;code = 32
char = d;code = 100
char = i;code = 105
char = f;code = 102
char = f;code = 102
char = e;code = 101
char = r;code = 114
char = e;code = 101
char = n;code = 110
char = c;code = 99
char = e;code = 101
char = s;code = 115
char = ;code = 32
char = (;code = 40
char = P;code = 80
char = ;code = 32
char = <;code = 60
char = ;code = 32
char = .;code = 46
char = 0;code = 48
char = 5;code = 53
char = );code = 41
char = ;code = 32
char = f;code = 102
char = o;code = 111
char = r;code = 114
char = ;code = 32
char = 2;code = 50
char = %;code = 37
char = ;code = 32
char = C;code = 67
char = H;code = 72
char = X;code = 88
char = ;code = 32
char = g;code = 103
char = e;code = 101
char = l;code = 108
char = ;code = 32
char = x;code = 120
char = ;code = 32
char = C;code = 67
char = o;code = 111
char = n;code = 110
char = t;code = 116
char = r;code = 114
char = o;code = 111
char = l;code = 108
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = E;code = 69
char = x;code = 120
char = t;code = 116
char = r;code = 114
char = a;code = 97
char = c;code = 99
char = t;code = 116
char = ;code = 32
char = x;code = 120
char = ;code = 32
char = C;code = 67
char = o;code = 111
char = n;code = 110
char = t;code = 116
char = r;code = 114
char = o;code = 111
char = l;code = 108
char = .;code = 46
char = ;code = 32
char = N;code = 78
char = o;code = 111
char = ;code = 32
char = d;code = 100
char = i;code = 105
char = f;code = 102
char = f;code = 102
char = e;code = 101
char = r;code = 114
char = e;code = 101
char = n;code = 110
char = c;code = 99
char = e;code = 101
char = s;code = 115
char = ;code = 32
char = (;code = 40
char = P;code = 80
char = ;code = 32
char = >;code = 62
char = ;code = 32
char = .;code = 46
char = 0;code = 48
char = 5;code = 53
char = );code = 41
char = ;code = 32
char = w;code = 119
char = e;code = 101
char = r;code = 114
char = e;code = 101
char = ;code = 32
char = o;code = 111
char = b;code = 98
char = s;code = 115
char = e;code = 101
char = r;code = 114
char = v;code = 118
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = a;code = 97
char = m;code = 109
char = o;code = 111
char = n;code = 110
char = g;code = 103
char = ;code = 32
char = g;code = 103
char = r;code = 114
char = o;code = 111
char = u;code = 117
char = p;code = 112
char = s;code = 115
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = o;code = 111
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = r;code = 114
char = ;code = 32
char = p;code = 112
char = e;code = 101
char = r;code = 114
char = i;code = 105
char = o;code = 111
char = d;code = 100
char = s;code = 115
char = .;code = 46
char = ;code = 32
char = R;code = 82
char = e;code = 101
char = g;code = 103
char = a;code = 97
char = r;code = 114
char = d;code = 100
char = i;code = 105
char = n;code = 110
char = g;code = 103
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = p;code = 112
char = H;code = 72
char = ,;code = 44
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = r;code = 114
char = e;code = 101
char = ;code = 32
char = w;code = 119
char = e;code = 101
char = r;code = 114
char = e;code = 101
char = ;code = 32
char = s;code = 115
char = i;code = 105
char = g;code = 103
char = n;code = 110
char = i;code = 105
char = f;code = 102
char = i;code = 105
char = c;code = 99
char = a;code = 97
char = n;code = 110
char = t;code = 116
char = ;code = 32
char = d;code = 100
char = i;code = 105
char = f;code = 102
char = f;code = 102
char = e;code = 101
char = r;code = 114
char = e;code = 101
char = n;code = 110
char = c;code = 99
char = e;code = 101
char = s;code = 115
char = ;code = 32
char = (;code = 40
char = P;code = 80
char = ;code = 32
char = <;code = 60
char = ;code = 32
char = .;code = 46
char = 0;code = 48
char = 5;code = 53
char = );code = 41
char = ;code = 32
char = f;code = 102
char = o;code = 111
char = r;code = 114
char = ;code = 32
char = 2;code = 50
char = %;code = 37
char = ;code = 32
char = C;code = 67
char = H;code = 72
char = X;code = 88
char = ;code = 32
char = g;code = 103
char = e;code = 101
char = l;code = 108
char = ;code = 32
char = x;code = 120
char = ;code = 32
char = C;code = 67
char = o;code = 111
char = n;code = 110
char = t;code = 116
char = r;code = 114
char = o;code = 111
char = l;code = 108
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = 2;code = 50
char = %;code = 37
char = ;code = 32
char = C;code = 67
char = H;code = 72
char = X;code = 88
char = ;code = 32
char = g;code = 103
char = e;code = 101
char = l;code = 108
char = ;code = 32
char = x;code = 120
char = ;code = 32
char = 1;code = 49
char = %;code = 37
char = ;code = 32
char = C;code = 67
char = H;code = 72
char = X;code = 88
char = ;code = 32
char = s;code = 115
char = o;code = 111
char = l;code = 108
char = u;code = 117
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = a;code = 97
char = f;code = 102
char = t;code = 116
char = e;code = 101
char = r;code = 114
char = ;code = 32
char = 4;code = 52
char = 8;code = 56
char = ;code = 32
char = h;code = 104
char = o;code = 111
char = u;code = 117
char = r;code = 114
char = s;code = 115
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = f;code = 102
char = o;code = 111
char = r;code = 114
char = ;code = 32
char = 2;code = 50
char = %;code = 37
char = ;code = 32
char = C;code = 67
char = H;code = 72
char = X;code = 88
char = ;code = 32
char = g;code = 103
char = e;code = 101
char = l;code = 108
char = ;code = 32
char = x;code = 120
char = ;code = 32
char = C;code = 67
char = o;code = 111
char = n;code = 110
char = t;code = 116
char = r;code = 114
char = o;code = 111
char = l;code = 108
char = ;code = 32
char = a;code = 97
char = f;code = 102
char = t;code = 116
char = e;code = 101
char = r;code = 114
char = ;code = 32
char = 1;code = 49
char = 5;code = 53
char = ;code = 32
char = d;code = 100
char = a;code = 97
char = y;code = 121
char = s;code = 115
char = .;code = 46
char = ;code = 32
char = I;code = 73
char = n;code = 110
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = o;code = 111
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = r;code = 114
char = ;code = 32
char = p;code = 112
char = e;code = 101
char = r;code = 114
char = i;code = 105
char = o;code = 111
char = d;code = 100
char = s;code = 115
char = ,;code = 44
char = ;code = 32
char = n;code = 110
char = o;code = 111
char = ;code = 32
char = d;code = 100
char = i;code = 105
char = f;code = 102
char = f;code = 102
char = e;code = 101
char = r;code = 114
char = e;code = 101
char = n;code = 110
char = c;code = 99
char = e;code = 101
char = s;code = 115
char = ;code = 32
char = (;code = 40
char = P;code = 80
char = ;code = 32
char = >;code = 62
char = ;code = 32
char = .;code = 46
char = 0;code = 48
char = 5;code = 53
char = );code = 41
char = ;code = 32
char = w;code = 119
char = e;code = 101
char = r;code = 114
char = e;code = 101
char = ;code = 32
char = o;code = 111
char = b;code = 98
char = s;code = 115
char = e;code = 101
char = r;code = 114
char = v;code = 118
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = a;code = 97
char = m;code = 109
char = o;code = 111
char = n;code = 110
char = g;code = 103
char = ;code = 32
char = g;code = 103
char = r;code = 114
char = o;code = 111
char = u;code = 117
char = p;code = 112
char = s;code = 115
char = .;code = 46
char = <;code = 60
char = b;code = 98
char = r;code = 114
char = /;code = 47
char = >;code = 62
char = <;code = 60
char = b;code = 98
char = r;code = 114
char = /;code = 47
char = >;code = 62
char = <;code = 60
char = b;code = 98
char = >;code = 62
char = C;code = 67
char = O;code = 79
char = N;code = 78
char = C;code = 67
char = L;code = 76
char = U;code = 85
char = S;code = 83
char = I;code = 73
char = O;code = 79
char = N;code = 78
char = S;code = 83
char = ;code = 32
char = :;code = 58
char = ;code = 32
char = <;code = 60
char = /;code = 47
char = b;code = 98
char = >;code = 62
char = A;code = 65
char = l;code = 108
char = l;code = 108
char = ;code = 32
char = p;code = 112
char = a;code = 97
char = s;code = 115
char = t;code = 116
char = e;code = 101
char = s;code = 115
char = ;code = 32
char = b;code = 98
char = e;code = 101
char = h;code = 104
char = a;code = 97
char = v;code = 118
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = s;code = 115
char = i;code = 105
char = m;code = 109
char = i;code = 105
char = l;code = 108
char = a;code = 97
char = r;code = 114
char = l;code = 108
char = y;code = 121
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = ;code = 32
char = t;code = 116
char = e;code = 101
char = r;code = 114
char = m;code = 109
char = s;code = 115
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = p;code = 112
char = H;code = 72
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = c;code = 99
char = a;code = 97
char = l;code = 108
char = c;code = 99
char = i;code = 105
char = u;code = 117
char = m;code = 109
char = ;code = 32
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = r;code = 114
char = e;code = 101
char = l;code = 108
char = e;code = 101
char = a;code = 97
char = s;code = 115
char = e;code = 101
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = s;code = 115
char = t;code = 116
char = u;code = 117
char = d;code = 100
char = i;code = 105
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = p;code = 112
char = e;code = 101
char = r;code = 114
char = i;code = 105
char = o;code = 111
char = d;code = 100
char = s;code = 115
char = .;code = 46
result sql = INTRODUCTION : The objective of this study was to evaluate the pH and calcium ion release of calcium hydroxide pastes associated with different substances.

METHODS : Forty acrylic teeth with simulated root canals were divided into 4 groups according to the substance associated to the calcium hydroxide paste: chlorhexidine (CHX) in 2 formulations (1% solution and 2% gel), Casearia sylvestris Sw extract, and propylene glycol (control). The teeth with pastes and sealed coronal accesses were immersed in 10 mL deionized water. After 10 minutes, 24 hours, 48 hours, and 7, 15, and 30 days, the teeth were removed to another container, and the liquid was analyzed. Calcium ion release was measured by atomic absorption spectrophotometry, and pH readings were made with a pH meter. Data were analyzed statistically by analysis of variance and Tukey test (alpha = 0.05).

RESULTS : Calcium analysis revealed significant differences (P < .05) for 1% CHX solution and 2% CHX gel at 10 minutes. After 24 hours, 2% CHX gel x Control and 2% CHX gel x 1% CHX solution differed significantly (P < .05). After 48 hours, there were significant differences (P < .05) for 2% CHX gel x Control and Extract x Control. No differences (P > .05) were observed among groups in the other periods. Regarding the pH, there were significant differences (P < .05) for 2% CHX gel x Control and 2% CHX gel x 1% CHX solution after 48 hours and for 2% CHX gel x Control after 15 days. In the other periods, no differences (P > .05) were observed among groups.

CONCLUSIONS : All pastes behaved similarly in terms of pH and calcium ion release in the studied periods.

Publication: J Endod 2009 Sep ;35(9)::1274-7. :doi: 10.1016/j.joen.2009.05.009.
Publication Date: 2009 Sep
Study Author(s): Duarte, Marco Antônio Húngaro;Midena, Raquel Zanin;Zeferino, Márcia A;Vivan, Rodrigo Ricci;Weckwerth, Paulo Henrique;Dos Santos, Fernando;Guerreiro-Tanomaru, Juliane Maria;Tanomaru-Filho, Mário;
Institution: Department of Health Sciences, Sagrado Coração University, Bauru, São Paulo, Brazil. [email protected]
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INTRODUCTION : The objective of this study was to evaluate the pH and calcium ion release of calcium hydroxide pastes associated with different substances.

METHODS : Forty acrylic teeth with simulated root canals were divided into 4 groups according to the substance associated to the calcium hydroxide paste: chlorhexidine (CHX) in 2 formulations (1% solution and 2% gel), Casearia sylvestris Sw extract, and propylene glycol (control). The teeth with pastes and sealed coronal accesses were immersed in 10 mL deionized water. After 10 minutes, 24 hours, 48 hours, and 7, 15, and 30 days, the teeth were removed to another container, and the liquid was analyzed. Calcium ion release was measured by atomic absorption spectrophotometry, and pH readings were made with a pH meter. Data were analyzed statistically by analysis of variance and Tukey test (alpha = 0.05).

RESULTS : Calcium analysis revealed significant differences (P < .05) for 1% CHX solution and 2% CHX gel at 10 minutes. After 24 hours, 2% CHX gel x Control and 2% CHX gel x 1% CHX solution differed significantly (P < .05). After 48 hours, there were significant differences (P < .05) for 2% CHX gel x Control and Extract x Control. No differences (P > .05) were observed among groups in the other periods. Regarding the pH, there were significant differences (P < .05) for 2% CHX gel x Control and 2% CHX gel x 1% CHX solution after 48 hours and for 2% CHX gel x Control after 15 days. In the other periods, no differences (P > .05) were observed among groups.

CONCLUSIONS : All pastes behaved similarly in terms of pH and calcium ion release in the studied periods.
PMID: 19720230

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