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Abstrak :
[ABSTRAK
Latar Belakang: Peran root surface conditioning terhadap keberadaan smear layer. Tujuan: Menganalisis hubungan antara penggunaan root surface conditioning (minosiklin 2,1% dan EDTA 24%) terhadap keberadaan smear layer setelah penghalusan akar gigi. Metoda: Sepuluh gigi manusia yang dicabut akibat kelainan periodontal dan dilakukan penghalusan akar. Gigi dipotong pada daerah sepertiga servikal, dan 30 spesimen yang terbentuk dibagi dalam tiga kelompok. Hasil: Tidak ada perbedaan signifikan terhadap tingkat keberadaan smear layer antara kelompok minosiklin maupun EDTA (p=0,759). Terdapat perbedaan signifikan antara kelompok minosiklin dan EDTA dengan salin sebagai kontrol (p=0,00). Kesimpulan: Ada hubungan antara penggunaan root surface conditioning terhadap keberadaan smear layer.

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ABSTRACT
Background: Role of root surface conditioning of the existence of smear layer. Objective: To analyze the smear layer on root surface conditioned with minocycline HCl 2,1% , EDTA gel 24%, after root planed. Materials and methods: Ten human teeth removed due to chronic periodontitis were collected and root planed. The teeth were sectioned on 1/3 cervikal, 30 specimens were divided into three groups. Results: No significant differences of smear layer between minocycline and EDTA (p=0,759). There was significant differences of minocycline and EDTA group compare to saline (p=0,00). Conclusion: There was relationship of root surface conditioning treatment with smear layer.;Background: Role of root surface conditioning of the existence of smear layer. Objective: To analyze the smear layer on root surface conditioned with minocycline HCl 2,1% , EDTA gel 24%, after root planed. Materials and methods: Ten human teeth removed due to chronic periodontitis were collected and root planed. The teeth were sectioned on 1/3 cervikal, 30 specimens were divided into three groups. Results: No significant differences of smear layer between minocycline and EDTA (p=0,759). There was significant differences of minocycline and EDTA group compare to saline (p=0,00). Conclusion: There was relationship of root surface conditioning treatment with smear layer., Background: Role of root surface conditioning of the existence of smear layer. Objective: To analyze the smear layer on root surface conditioned with minocycline HCl 2,1% , EDTA gel 24%, after root planed. Materials and methods: Ten human teeth removed due to chronic periodontitis were collected and root planed. The teeth were sectioned on 1/3 cervikal, 30 specimens were divided into three groups. Results: No significant differences of smear layer between minocycline and EDTA (p=0,759). There was significant differences of minocycline and EDTA group compare to saline (p=0,00). Conclusion: There was relationship of root surface conditioning treatment with smear layer.]

Abstrak :
ABSTRAK
Objective: In this study, we aimed to compare efficacy of various irrigating solutions for smear layer removal and dentin microhardness. Methods: Based on the four final irrigants used plus saline control, 50 single rooted teeth were divided into five groups. Using a step back technique with K files, chemomechanical preparation was performed. Canals were apically enlarged up to ISO size 40 and stepped back up to ISO size 60. During preparation, irrigation was performed with 2.5% NaOCl solution and the roots were sectioned into two halves. In the coronal, middle, and apical thirds, the smear layer was evaluated by scanning electron microscopy in one half, whereas the dentin microhardness was evaluated in the other half. Results: For all irrigants in the coronal and middle third regions, the efficacy of smear layer removal was comparable. Doxycycline, citric acid, Tween 80 (MTAD) and 10% maleic acid were the most effective for the apical third region, followed by 7% maleic acid and 17% ethylenediaminetetraacetic acid (EDTA). Dentin microhardness was most affected by MTAD and 10% maleic acid, followed by 17% EDTA and 7% maleic acid. Conclusion: For removal of smear layer and the least effect on dentin microhardness, 7% maleic acid was effective.

Abstrak :
Latar belakang: Smear layer akibat preparasi saluran akar dapat menyebabkan kegagalan perawatan Tujuan penelitian ini adalah untuk menganalisis penggunaan dua macam irigan kombinasi terhadap pembersihan smear layer di daerah sepertiga apeks. Metode: Tiga puluh gigi premolar tetap dibagi atas tiga kelompok sama besar Kelompok I, Kelompok II dan Kelompok II masing masing menggunakan irigan kombinasi NaOCl 2 625 asam sitrat 17 NaOCl 2 625 EDTA 17 dan Kelompok III kelompok kontrol menggunakan salin. Sisa smear layer di daerah sepertiga apeks diperiksa dengan SEM dan diukur dengan memberikan skor jika permukaan yang bersih dari smear layer adalah lebih dari 75 50 - 75 25 - 50 dan kurang dari 25 maka berturut turut diberi Skor 0 1 2 dan 3 Hasilnya dianalisis dengan Kolmogorov Smirnov. Hasil: Tidak ada perbedaan signifikan dalam membersihkan smear layer antara Kelompok I dan II p 0 447 tetapi dibandingkan dengan kelompok kontrol Kelompok I dan II secara signfikan p 0 000 membersihkan smear layer lebih baik Kesimpulan Kombinasi irigan NaOCl - asam sitrat dan NaOCl - EDTA tidak berbeda pengaruhnya dalam membersihkan smear layer di daerah sepertiga apeks. ......Background: Smear layer as a result of instrumentaion could influence the outcome of treatment. The aim of this study was to analyze the effectiveness of two combination of irigants in removing the smear layer in the root canal. Methods: Thirty permanent premolars were divided in 3 groups equally Group I II and III used NaOCl 2 625 citric acid 17 NaOCl 2 625 EDTA 17 and saline solution control respectively. The remnants of smear layer were evaluated by SEM and were scored The Score was 0 1 2 or 3 if the remnants of the smear layer was less than 25 between 25 to 50 50 to 75 and more than 75 of the surface respectively and were analyzed by Kolmogorov Smirnov Results: There was no significant different in removing the smear layer between the Group I and the Group II p 0 447 while comparing to the control group the experimental groups were significantly better p 0 000 Conclusion No difference in ability to remove the smear layer between combinations of irrigant of NaOCl 2 625 citric acid 17 and NaOCl 2 625 EDTA 17