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:: دوره 10، شماره 10 - ( سلامت دهان و جامعه نگر 1390 ) ::
جلد 10 شماره 10 صفحات 0-0 برگشت به فهرست نسخه ها
3-year clinical effectiveness of one-step adhesives in non-carious cervical lesions
چکیده:   (2820 مشاهده)

 Objectives

  Despite representing an important component of current dental adhesives, HEMA has been said to negatively influence the long-term stability of adhesion to dentine and enamel. The aim of this randomised clinical trial was to evaluate the 3-year clinical performance of two one-step self-etch adhesives.

 Methods

 Thirty patients had 175 non-carious cervical lesions restored with composite (Gradia Direct Anterior, GC) using either the HEMA-rich adhesive Clearfil Tri-S Bond (C3S Kuraray) or the HEMA-free adhesive G-Bond (GB GC). The restorations were evaluated by two examiners at baseline, 6, 12, 24 and 36 months regarding retention, caries recurrence, marginal integrity and discoloration and post-operative sensitivity. The data were statistically analysed with GEE and McNemar tests (p<0.05).

 Results

  The recall rate at 6 and 12 months was 100% and decreased to 96.7% at 24 and 36 months. At 3 years, the retention rate was 93.8% for C3S and 98.8% for GB (p=0.14). A pairwise comparison showed no significant differences between the two adhesives for all the parameters evaluated, irrespective of the recall (p>0.05). After 3 years, both adhesives presented an increase in the percentage of clinically acceptable marginal discoloration (C3S: 32.9% and GB: 26.8%) normally associated to clinically acceptable marginal defects (C3S: 35.8% and GB: 26.5%). Only 1 dentine margin of a GB restoration presented a severe marginal defect (1.2%) and 1 C3S restoration presented caries recurrence. The overall 3-year clinical success rate was 92.6% for C3S and 97.6% for GB (p=0.16).

 Conclusion

  Both one-step self-etch adhesives presented an equally favourable clinical effectiveness at 3 years.

 Clinical significance

  HEMA is a monomer frequently present in dental adhesives in order to increase their wettability and hydrophilicity. However, this monomer negatively influences hydrolytic stability and durability of the adhesive interface complex. In this 3-year clinical trial no significant difference in bonding effectiveness was noticed between a HEMA-rich and HEMA-free one-step adhesive.


 Source: Journal of Dentistry

 Full Text

واژه‌های کلیدی: Non-carious cervical lesion، Randomized clinical trial، Self-etch، Adhesive، Resin composite
     
نوع مطالعه: پژوهشي | موضوع مقاله: سلامت دهان و جامعه نگر
دریافت: 1392/7/18 | انتشار: 1390/10/25
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3-year clinical effectiveness of one-step adhesives in non-carious cervical lesions. 1. 1390; 10 (10)

URL: http://idai.ir/article-1-2202-fa.html



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Creative Commons License این مقاله تحت شرایط Creative Commons Attribution-NonCommercial 4.0 International License قابل بازنشر است.
دوره 10، شماره 10 - ( سلامت دهان و جامعه نگر 1390 ) برگشت به فهرست نسخه ها
جامعه اسلامی دندانپزشکان Islamic Dental Association of IRAN

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