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Effects of Calamansi Soju and Other Alcoholic Beverages on Resin Restorations

Jeong MJ, Heo J, Lee MH, Jeong MJ, Lim DS

Background: The purpose of this study was to investigate the effects of commercially available calamansi soju and other alcoholic beverages on the microhardness and erosion of resin restorations. Methods: In this...
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Comparison of Microhardness and Compressive Strength of Alkasite and Conventional Restorative Materials

Lee K, Kim J, Shin J, Han M

The aim of this study was to compare compressive strength and microhardness of recently introduced alkasite restorative materials with glass ionomer cement and flowable composite resin. For each material, 20...
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Influence of modeling agents on the surface properties of an esthetic nano-hybrid composite

Kutuk ZB, Erden E, Aksahin DL, Durak ZE, Dulda AC

Objective: The aim of this study was to evaluate the influence of different modeling agents on the surface microhardness (Vickers hardness number; VHN), roughness (Ra), and color change (ΔE) of...
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Effect of Commercial Effervescent Vitamin Tablets on Bovine Enamel

Jeong MJ, Lee MH, Jeong SJ, Kim SJ, Ko MJ, Sim HW, Lee JY, Im AJ, Lim DS

BACKGROUND: In this study, four types of effervescent vitamins marketed in Korea were analyzed for their acidity and vitamin content. For this purpose, bovine teeth were immersed in vitamin, and...
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The effect of preheating resin composites on surface hardness: a systematic review and meta-analysis

Elkaffas A, Eltoukhy R, Elnegoly S, Mahmoud SH

OBJECTIVES: This paper presents a systematic review and meta-analysis of the effect of preheating on the hardness of nanofilled, nanoceramic, nanohybrid, and microhybrid resin composites. MATERIALS AND METHODS: An electronic search...
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Comparison of Prevention Methods against Enamel Demineralization adjacent to Orthodontic Bracket Using Fluoride

Mo H, Kim J, Oh S

As a common side effect of fixed orthodontic treatment, demineralization of the enamel adjacent to the bracket and band occurs in patients with poor oral hygiene. The purpose of this...
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Evaluation of High-power Light Emitting Diode Curing Light on Sealant Polymerization

Park Y, Lee J, Ra J

This study aimed to determine whether the curing times of Xtra Power and High Power modes of high-power light emitting diode (LED) curing light are sufficient for polymerization of resin...
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Evaluation of polymerization ability of resin-based materials used for teeth splinting

Lee JG, Kim SY, Lee JK, Kim JW, Park SH, Cho KM

PURPOSE: The aim of this study was to evaluate the polymerization ability of resin-based materials used for teeth splinting according to the thickness of cure. MATERIALS AND METHODS: For this study,...
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Correlation between Fluoride Release, Microhardness and Solubility of High viscosity Glass Ionomers

Shin B, Kim J, Yoo S

This study was to measure and compare the amount of fluoride, microhardness and solubility of high viscosity glass ionomer and resin-reinforced glass ionomer during 84 days. Fuji IX GP EXTRA, Fuji...
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Effect of 457 nm light on the polymerization of dental composite resins

Ro JH, Yi DH, Seol HJ, Kwon YH

The aim of this study was to determine if a 457 nm blue laser could effectively polymerize dental composite resins. After light curing 6 dental composite resins using a laser...
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Effects of incorporation of 2.5 and 5 wt% TiOâ‚‚ nanotubes on fracture toughness, flexural strength, and microhardness of denture base poly methyl methacrylate (PMMA)

Abdulrazzaq Naji S, Behroozibakhsh M, Jafarzadeh Kashi TS, Eslami H, Masaeli R, Mahgoli H, Tahriri M, Ghavvami Lahiji M, Rakhshan V

PURPOSE: The aim of this preliminary study was to investigate, for the first time, the effects of addition of titania nanotubes (n-TiO2) to poly methyl methacrylate (PMMA) on mechanical properties...
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Effect of carbonated water manufactured by a soda carbonator on etched or sealed enamel

Ryu HK, Kim YD, Heo SS, Kim SC

OBJECTIVE: The purpose of this study was to determine the effects of carbonated water on etched or sealed enamel according to the carbonation level and the presence of calcium ions. METHODS:...
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Analysis of the shelf life of chitosan stored in different types of packaging, using colorimetry and dentin microhardness

Cruz-Filho AMd, Bordin AR, Souza-Flamini LE, Guedes DF, Saquy PC, Silva RG, Pécora JD

OBJECTIVES: Chitosan has been widely investigated and used. However, the literature does not refer to the shelf life of this solution. This study evaluated, through the colorimetric titration technique and...
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Carbohydrate-electrolyte drinks exhibit risks for human enamel surface loss

de Melo MA, Passos VF, Lima JP, Santiago S, Rodrigues

OBJECTIVES: The aim of this investigation was to give insights into the impact of carbohydrate-electrolyte drinks on the likely capacity of enamel surface dissolution and the influence of human saliva...
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Effect of acidic solutions on the microhardness of dentin and set OrthoMTA and their cytotoxicity on murine macrophage

Oh S, Perinpanayagam H, Lee Y, Kum JW, Yoo YJ, Lim SM, Chang SW, Shon WJ, Lee W, Baek SH, Kum KY

OBJECTIVES: To evaluate the effects of three acids on the microhardness of set mineral trioxide aggregate (MTA) and root dentin, and cytotoxicity on murine macrophage. MATERIALS AND METHODS: OrthoMTA (BioMTA) was...
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Effect of organic acids in dental biofilm on microhardness of a silorane-based composite

Hashemikamangar SS, Pourhashemi SJ, Talebi M, Kiomarsi N, Kharazifard MJ

OBJECTIVES: This study evaluated the effect of lactic acid and acetic acid on the microhardness of a silorane-based composite compared to two methacrylate-based composite resins. MATERIALS AND METHODS: Thirty disc-shaped specimens...
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Effect of resin thickness on the microhardness and optical properties of bulk-fill resin composites

Kim EH, Jung KH, Son SA, Hur B, Kwon YH, Park JK

OBJECTIVES: This study evaluated the effects of the resin thickness on the microhardness and optical properties of bulk-fill resin composites. METHODS: Four bulk-fill (Venus Bulk Fill, Heraeus Kulzer; SDR, Dentsply Caulk;...
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Effect of intracanal medicaments used in endodontic regeneration procedures on microhardness and chemical structure of dentin

Yassen GH, Eckert GJ, Platt JA

OBJECTIVES: This study was performed to investigate the effects of different intracanal medicaments on chemical structure and microhardness of dentin. MATERIALS AND METHODS: Fifty human dentin discs were obtained from intact...
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Surface microhardness of three thicknesses of mineral trioxide aggregate in different setting conditions

Shokouhinejad N, Jafargholizadeh L, Khoshkhounejad M, Nekoofar M, Raoof M

OBJECTIVES: This study aimed to compare the surface microhardness of mineral trioxide aggregate (MTA) samples having different thicknesses and exposed to human blood from one side and with or without...
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Effect of red vinegar drink on the surface of sound enamel

Kim DE, Kim KH, Kim AO, Jeong SS, Choi CH, Hong SJ, Hong HS

OBJECTIVES: The aim of this study was to evaluate the effect of red vinegar drink on sound enamel surface. METHODS: Commercially available red vinegar drink was used for the study. Firstly,...
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