Effect of type of cavity preparation (bur, Er: YAG laser) and restorative materials on prevention of caries lesion

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HASANI TABATABAEE MASUMEH; ARAMI SAKINEH; KHAJAVI FATEMEH; MORADI ZOHREH

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Journal: Journal of Dental Medicine Year:2017 | Volume:29 | Issue:4 Page(s): 229-236

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Title

Effect of type of cavity preparation (bur, Er: YAG laser) and restorative materials on prevention of caries lesion

Author(s)

HASANI TABATABAEE MASUMEH | ARAMI SAKINEH | KHAJAVI FATEMEH | MORADI ZOHREH | Issue Writer Certificate

Keywords

Er:YAG laserQ1

Rasin compositeQ1

Resin modified glass ionomerQ2

MicrohardnessQ3

Abstract

Background and Aims: Despite the reduction of incidence of dental caries in recent years, this disease is common and many efforts were conducted to decrease the prevalence of dental caries. On the other hand secondary caries lesions are the main reason for replacement of direct restorations. Therefore, the aim of the current study was to evaluate suitable methods of preparation and restorative materials to reduce caries recurrence. Materials and Methods: In this experimental study, eighty human teeth were collected and stored in normal saline. The teeth were soft-tissue debrided and cleaned with water/pumice slurry and rubber cups in a low-speed handpiece. Speciments were randomly divided in two main groups. Cavities were prepared with diamond burs or Er: YAG laser (10 Hz, 300 mJ, 3W). Each group was divided into 4 sub-groups, and restored with a glass-ionomer cement (Fuji IX), resin modified glass-ionomer (Fuji II LC), total etch bonding + composite resin or self-etch bonding + composite resin. The specimens were submitted to pH cycling. Speciments were then sectioned, polished and Vickers Microhardness measurements were performed on each specimen. Differences among the medians were analyzed using two way ANOVA test at a 95% confidence level and Tukey test. Results: Statistical analysis showed significant difference in the type of substrate (enamel, dentin) in both main groups (P<0. 0001) but no differences in the caries lesion development between the cavities restored with the same material and prepared with diamond burs or Er: YAG laser. Conclusion: The Er: YAG laser used for cavity preparation and different types of restorative materials used did not show the ability to guarantee significantly more acid-resistance tooth structure against demineralization.

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APA: Copy

HASANI TABATABAEE, MASUMEH, ARAMI, SAKINEH, KHAJAVI, FATEMEH, & MORADI, ZOHREH. (2017). Effect of type of cavity preparation (bur, Er: YAG laser) and restorative materials on prevention of caries lesion. JOURNAL OF DENTAL MEDICINE, 29(4 ), 229-236. SID. https://sid.ir/paper/25592/en

Vancouver: Copy

HASANI TABATABAEE MASUMEH, ARAMI SAKINEH, KHAJAVI FATEMEH, MORADI ZOHREH. Effect of type of cavity preparation (bur, Er: YAG laser) and restorative materials on prevention of caries lesion. JOURNAL OF DENTAL MEDICINE[Internet]. 2017;29(4 ):229-236. Available from: https://sid.ir/paper/25592/en

IEEE: Copy

MASUMEH HASANI TABATABAEE, SAKINEH ARAMI, FATEMEH KHAJAVI, and ZOHREH MORADI, “Effect of type of cavity preparation (bur, Er: YAG laser) and restorative materials on prevention of caries lesion,” JOURNAL OF DENTAL MEDICINE, vol. 29, no. 4 , pp. 229–236, 2017, [Online]. Available: https://sid.ir/paper/25592/en

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