Keywords
Estabilidad de color; Material de base para prótesis; PEEK; PMMA; Polímero.
How to Cite
Abstract
The aim of this in vitro study was to compare the long-term effect of overnight use of denture cleansers with different chemical compositions on the color stability of denture base polymers (DBPs). The four DBPs evaluated were PEEK (PK group), thermoinjection-molded polyamide (PA group), auto-polymerized polymethylmethacrylate (PMMA) (AP group), and heat-polymerized resin PMMA (HP group). The cleaning agents used were Corega tablet (CT), Protefix tablet (PT), and 0.5% sodium hypochlorite (NaOCl) solution (SH). Distilled water (DW) served as a control. Forty-eight disc-shaped specimens (10mm × 2mm) were prepared from each DBP and randomly immersed in the different storage media (n=12 in each group). Color measurements of the specimens before and after immersion in the denture cleansers were made using a spectrophotometer (VITA Easyshade V). The color changes were measured and recorded in L* a* b*. After 120 d, the CIEDE2000 formula was used to calculate color changes (∆E00). For analysis of the data, a multivariate analysis of variance was used (p<0.05). The results of the statistical analysis revealed significant color change differences in the DBPs immersed in the various denture cleansers (p<0.05). Groups PA and PK showed the highest values for all solutions. AP-SH showed the highest ∆E00 value in group AP, no significant difference was found between other solutions. In group HP, there was no statistically significant difference between the average ∆E00 values of all solutions. Long-term daily use of the denture cleansers affected the color stability of all the DBPs, although the level of color change was acceptable. Laboratory and clinical studies on the color stability of PEEK are needed to confirm the results of this study.
References
Ozyilmaz O.Y., Kara O., Akin C. Evaluation of various denture cleansers on color stability and surface topography of polyetherketoneketone, polyamide, and polymethylmethacrylate. Microsc Res Tech. 2021; 84 (1): 3-11.
Zafar M.S. Prosthodontic Applications of Polymethyl Methacrylate (PMMA): An Update. Polymers (Basel). 2020; 12 (10): 2299.
Yunus N., Rashid A.A., Azmi L.L., Abu-Hassan M.I. Some flexural properties of a nylon denture base polymer. J Oral Rehabil. 2005; 32 (1): 65-71.
Vojdani M., Giti R. Polyamide as a Denture Base Material: A Literature Review. J Dent (Shiraz). 2015; 16 (1 Suppl): 1-9.
Schwitalla A., Müller W.D. PEEK dental implants: a review of the literature. J Oral Implantol. 2013; 39 (6): 743-749.
Wiesli M.G., Özcan M. High-Performance Polymers and Their Potential Application as Medical and Oral Implant Materials: A Review. Implant Dent. 2015; 24 (4): 448-457.
Schwitalla A.D., Spintig T., Kallage I., Müller W.D. Flexural behavior of PEEK materials for dental application. Dent Mater. 2015; 31 (11): 1377-1384.
Takabayashi Y. Characteristics of denture thermoplastic resins for non-metal clasp dentures. Dent Mater J. 2010; 29 (4): 353-361.
Zoidis P., Papathanasiou I., Polyzois G. The Use of a Modified Poly-Ether-Ether-Ketone (PEEK) as an Alternative Framework Material for Removable Dental Prostheses. A Clinical Report. J Prosthodont. 2016; 25 (7): 580-584.
Machado A.L., Breeding L.C., Vergani C.E., da Cruz Perez L.E. Hardness and surface roughness of reline and denture base acrylic resins after repeated disinfection procedures. J Prosthet Dent. 2009; 102 (2): 115-22.
Alam M, Jagger R., Vowles R., Moran J. Comparative stain removal properties of four commercially available denture cleaning products: an in vitro study. Int J Dent Hyg. 2011; 9 (1): 37-42.
Felipucci D.N., Davi L.R., Paranhos H.F., Bezzon O.L., Silva R.F., Pagnano V.O. Effect of different cleansers on the surface of removable partial denture. Braz Dent J. 2011; 22 (5): 392-7.
Hong G., Murata H., Li Y., Sadamori S., Hamada T. Influence of denture cleansers on the color stability of three types of denture base acrylic resin. J Prosthet Dent. 2009; 101 (3): 205-13.
Silva P.M., Acosta E.J., Jacobina M., Pinto L. de R., Porto V.C. Effect of repeated immersion solution cycles on the color stability of denture tooth acrylic resins. J Appl Oral Sci. 2011; 19 (6): 623-627.
Piskin B., Sipahi C., Akin H. Effect of different chemical disinfectants on color stability of acrylic denture teeth. J Prosthodont. 2014; 23 (6): 476-483.
Davi L.R., Peracini A., Ribeiro N. de Q., Soares R.B., da Silva CH., Paranhos H. de F., de Souza R.F. Effect of the physical properties of acrylic resin of overnight immersion in sodium hypochlorite solution. Gerodontology. 2010; 27 (4): 297-302.
Peracini A., Machado Andrade I., Oliveira V.C., Macedo A.P., Silva-Lovato CH., Oliveira Pagnano V., Watanabe E., Oliveira Paranhos H.F. Antimicrobial action and long-term effect of overnight denture cleansers. Am J Dent. 2017 Apr; 30 (2): 101-108.
Peracini A., Davi L.R., de Queiroz Ribeiro N., de Souza R.F., Lovato da Silva CH., de Freitas Oliveira Paranhos H. Effect of denture cleansers on physical properties of heat-polymerized acrylic resin. J Prosthodont Res. 2010; 54 (2): 78-83.
Durkan R., Ayaz E.A., Bagis B., Gurbuz A., Ozturk N., Korkmaz F.M. Comparative effects of denture cleansers on physical properties of polyamide and polymethyl methacrylate base polymers. Dent Mater J. 2013; 32 (3): 367-375.
Heimer S., Schmidlin P.R., Stawarczyk B. Discoloration of PMMA, composite, and PEEK. Clin Oral Investig. 2017; 21 (4): 1191-1200.
Alp G., Johnston W.M., Yilmaz B. Optical properties and surface roughness of prepolymerized poly(methyl methacrylate) denture base materials. J Prosthet Dent. 2019; 121 (2): 347-352.
Ren J., Lin H., Huang Q., Zheng G. Determining color difference thresholds in denture base acrylic resin. J Prosthet Dent. 2015;114(5):702-708.
Luo M.R., Cui G., Rigg B. The development of the CIE 2000 color-difference formula: CIEDE2000. Color Res Appl. 2001; 26 (5): 340-350.
Wee A.G., Lindsey D.T., Shroyer K.M., Johnston W.M. Use of a porcelain color discrimination test to evaluate color difference formulas. J Prosthet Dent. 2007; 98 (2): 101-109.
Polychronakis N., Lagouvardos P., Polyzois G., Sykaras N., Zoidis P. Color changes of polyetheretherketone (PEEK) and polyoxymethelene (POM) denture resins on single and combined staining/cleansing action by CIELab and CIEDE2000 formulas. J Prosthodont Res. 2020; 64 (2): 159-166.
Goiato M.C., Santos D.M., Haddad M.F., Pesqueira A.A. Effect of accelerated aging on the microhardness and color stability of flexible resins for dentures. Braz Oral Res. 2010; 24 (1): 114-119.
Arima T., Murata H., Hamada T. Properties of highly cross-linked autopolymerizing reline acrylic resins. J Prosthet Dent. 1995; 73 (1): 55-59.
Purnaveja S., Fletcher A.M., Ritchie G.M., Amin W.M., Moradians S., Dodd A.W. Colour stability of two self curing denture base materials. Biomaterials. 1982; 3 (4): 249-250.
Austin A.T., Basker R.M. Residual monomer levels in denture bases. The effects of varying short curing cycles. Br Dent J. 1982; 153 (12): 424-426.
Memon M.S., Yunus N., Razak A.A. Some mechanical properties of a highly cross-linked, microwave-polymerized, injection-molded denture base polymer. Int J Prosthodont. 2001; 14 (3): 214-218.
Ozyilmaz O.Y., Akin C. Effect of cleansers on denture base resins' structural properties. J Appl Biomater Funct Mater. 2019; 17 (1): 2280800019827797.
Türkün L.S., Leblebicioğlu E.A. Stain retention and surface characteristics of posterior composites polished by one-step systems. Am J Dent. 2006; 19 (6): 343-347.
Costa M.T., Dorta M.L., Ribeiro-Dias F., Pimenta F.C. Biofilms of black tooth stains: PCR analysis reveals presence of Streptococcus mutans. Braz Dent J. 2012; 23 (5): 555-558.
Heimer S., Schmidlin P.R., Roos M., Stawarczyk B. Surface properties of polyetheretherketone after different laboratory and chairside polishing protocols. J Prosthet Dent. 2017; 117 (3): 419-425.
Kurtz S.M., Devine J.N. PEEK biomaterials in trauma, orthopedic, and spinal implants. Biomaterials. 2007; 28 (32): 4845-4869.
Attia M.A., Shokry T.E. Effect of different fabrication techniques on the marginal precision of polyetheretherketone single-crown copings. J Prosthet Dent. 2020; 124 (5): 565.e1-565.e7.