Browse > Article
http://dx.doi.org/10.14347/jtd.2021.43.4.145

Component and surface residue observation of barrel finishing media for grinding dental resins  

Jung, An-Na (Department of Dental Laboratory Science, Catholic University of Pusan)
Park, Yu-Jin (Department of Dental Laboratory Science, Catholic University of Pusan)
Choi, Sung-Min (Department of Dental Laboratory Science, Catholic University of Pusan)
Publication Information
Journal of Technologic Dentistry / v.43, no.4, 2021 , pp. 145-152 More about this Journal
Abstract
Purpose: This study aimed to produce resin prosthetics using a dental barrel finishing machine. For dental resin grinding, the ingredients of the barrel finishing media were analyzed, and surface residues of the resin were observed. Methods: Two types of barrel finishing media for dental resin grinding were tested. Specimens were made from thermal polymerized, auto polymerized, and photopolymerized resins. Finishing media were analyzed through energy-dispersive X-ray spectroscopy (EDS) component analysis and inductively coupled plasma-optical emission spectrometry (ICP-OES) component analysis. Then, the prepared specimen was barrel finished for 25 minutes using two types of barrel finishing media, and scanning electron microscope was photographed to observe the surface residues. Results: As a result of EDS component analysis, both types of finishing media were analyzed for the components of C, O, Zr and Al elements, and industry media (IM) was further analyzed for the components of Si and Mg elements. In the ICP-OES component analysis, Cd and As, which are harmful elements, were detected in IM, and no harmful elements were detected in manufacturing media (MM). Because of observation of surface residues, no residues were observed in the three types of resin specimens that were barrel finished with two types of finishing media. Conclusion: Surface residue wasn't observed on the specimens polished using two types of finishing media. However, in IM, Cd and As, which are harmful elements, were detected, making it inappropriate for clinical use. In MM, harmful elements were not detected; therefore, clinical use will be possible.
Keywords
Barrel finishing; Energy-dispersive X-ray spectroscopy; Inductively coupled plasma-optical emission spectrometry; Media; Resin; Scanning electron microscope;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
연도 인용수 순위
1 Lee BJ. Earth_geology to know the ground -plutons and volcanic dike formed from magma-. Geotech Eng 2019;35:39-43.
2 Jeong YC. Effect of polishing time of surface roughness and surface topography on Co-Cr alloy by dental auto polishing system [master's thesis]. Busan: Catholic University of Pusan, 2020.
3 Kang GB. Production systems and automation technologies. Seoul: Daekwang Publishing, 2006.
4 Lee JS. A study on the barrel finishing process selection [master's thesis]. Siheung: Korea Polytechnic University, 2010.
5 Kim MH, Yim SH, Chung MK. The amout of loss and the degree of surface smoothness of gold alloy by gold alloy polishing rubber point materials. J Korean Acad Prosthodont 1997;35:277-295.
6 Jung AN. Manufacturing of barrel finishing for dental resin grinding and analysis of barrel finishing processing products [doctoral dissertation]. Busan: Catholic University of Pusan, 2021.
7 Jung AN, Ko HJ, Park YJ. Observation of surface roughness on three types of resin based on grinding time of dental automatic barrel finishing. J Tech Dent 2021;43:56-61.   DOI
8 Won JH, Oh RT, Kim JH, Kim WK. A study on the centrifugal barrel finishing of 3 dimensional form face (1). Korean Soc Precis Eng 1998;1:31-35.
9 Lee JR, Jeong CH, Choi JH, Hwang JW, Lee DH. The effects of polishing technique and brushing on the surface roughness of acrylic resin. J Korean Acad Prosthodont 2010;48:287-293.   DOI
10 Chung YH, Han SH, Shin MK. Effects of pueraria radix in water extract on the detoxification in rat administered with cadmium. Korean J Diet Cult 2002;17:456-464.
11 Bollen CM, Lambrechts P, Quirynen M. Comparison of surface roughness of oral hard materials to the threshold surface roughness for bacterial plaque retention: a review of the literature. Dent Mater 1997;13:258-269.   DOI
12 Kim YM, Shin SJ, Song MJ, Park JW. The evaluation of surface roughness and polishing time between polishing systems. J Korean Acad Conserv Dent 2011;36:119-124.   DOI