Pengaruh Perendaman Basis Gigi Tiruan Nilon Termoplastik dalam Larutan Sodium Hipoklorit Terhadap Kekasaran Permukaan dan Stabilitas Warna

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Surat Persetujuan Komisi Etik Penelitian

Universitas Sumatera Utara

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Surat Keterangan Menyelesaikan Penelitian di Unit UJI Laboratorium Dental
FKG USU

Universitas Sumatera Utara

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Surat Keterangan Menyelesaikan Penelitian di Laboratorium Biokimia FMIPA
USU

Universitas Sumatera Utara

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Surat Keterangan Menyelesaikan Penelitian di Laboratorium CNC

Teknik

Mesin Politeknik Negeri Medan

02-05-2016

05-05-2016

Universitas Sumatera Utara

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Surat Keterangan Menyelesaikan Penelitian di Laboratorium Penelitian
Fakultas Farmasi USU

Universitas Sumatera Utara

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Hasil Uji Analisis Statistik
Uji Normalitas
Tests of Normality

a

Kolmogorov-Smirnov

kelompok
kekasaran

Sodium Hipoklorit 0,5%

Kontrol
absorbansi

Sodium Hipoklorit 0,5%
Kontrol

Statistic

df

Shapiro-Wilk

Sig.

Statistic

df

Sig.

.129

16

.200

*

.924

16

.192

.112

16

.200

*

.969

16

.826

.192

16

.120

.911

16

.122

.285

16

.001

.591

16

.055

a. Lilliefors Significance Correction

*. This is a lower bound of the true significance.

Analisis Uni Varian
Frequencies
Group Statistics

kelompok
kekasaran

Sodium Hipoklorit 0,5%

Kontrol
absorbansi

Sodium Hipoklorit 0,5%
Kontrol

N

Mean

Std. Deviation

Std. Error Mean

16

.24831

.022228

.005557

16

.22913

.029040

.007260

16

.0032531

.00260958

.00065239

16

.0088481

.01358181

.00339545

Universitas Sumatera Utara

Uji T Tidak Berpasangan Kekasaran Permukaan
T-Test
Group Statistics

kelompok
kekasaran

N

Sodium Hipoklorit 0,5%

Kontrol

Mean

Std. Deviation

Std. Error Mean

16

.24831

.022228

.005557

16

.22913

.029040

.007260

Independent Samples Test
Levene's
Test for

Equality of
Variances

t-test for Equality of Means
95% Confidence
Sig.

Interval of the

(2-

Difference

tailed
F
kekasaran

Sig.

t

df

)

Mean

Std. Error

Difference Difference Lower

Upper

Equal
variances

1.408

.245

2.099

30 .044

.019188

.009143 .000516 .037859

2.099 28.085 .045

.019188

.009143 .000462 .037913

assumed

Equal
variances
not
assumed

Universitas Sumatera Utara

Uji T Tidak Berpasangan Stabilitas Warna
T-Test

Group Statistics

kelompok
Absorbansi

N

Mean

Std. Deviation

Std. Error Mean

Sodium Hipoklorit 0,5%

16

.0032531

.00260958

.00065239

Kontrol

16

.0088481

.01358181

.00339545

Independent Samples Test
Levene's
Test for
Equality of
Variances

t-test for Equality of Means
95% Confidence
Sig.

Interval of the

(2-

Difference

taile
F
absorbansi

Sig.

t

df

d)

Mean

Std. Error

Difference Difference

Lower

Upper

Equal
variances

5.390 .072 -1.618

30 .116 -.00559500 .00345756

assumed

.01265628

.00146628

Equal
variances
not

-1.618 16.106 .125 -.00559500 .00345756

.01292078

.00173078

assumed

Universitas Sumatera Utara