PROTEZ TEMİZLEYİCİLERİNİN YUMUŞAK ASTAR MADDELERİNİN RENK STABİLİTELERİ ÜZERİNE ETKİSİNİN DEĞERLENDİRİLMESİ

Year 2015, Volume: 25 Issue: 1, 59 - 65, 21.05.2015

Sevcan Kurtulmuş Yılmaz , Oğuz Ozan Serhat Ramoğlu Hüseyin Aktöre Abdullah Hamiş

https://doi.org/10.17567/dfd.50226

Abstract

Amaç: Bu çalışmanın amacı uzun süreli silikon esaslı yumuşak astar maddelerinin renk stabiliteleri üzerine farklı protez temizleyicilerinin etkilerinin değerlen- dirilmesidir.

Materyal ve Metod: Bu çalışmada 2 farklı silikon esaslı yumuşak astar maddesi (Elite Soft ve Ufi Gel P) ile 3 farklı protez temizleyicisi [Corega Tabs, Fittydent, % 0.5 sodyum hipoklorit (NaOCl)] test edilmiş; distile su kontrol grubu olarak kullanılmıştır. Her yumuşak as- tar maddesinden 10 mm çapında ve 1 mm kalınlığında toplam 40 adet disk şeklinde örnek hazırlanmıştır (n=10). Protez temizleyicisine maruz bırakılmadan önce tüm örneklerin CIE L*a*b* değerleri spektrofo- tometre ile tespit edilmiştir. Uygulanacak temizleme prosedürüne göre rastgele 4 ayrı gruba ayrılan örnek- ler 8 saat protez temizleyicisine maruz bırakılmış daha sonra akan suda yıkanarak 16 saat boyunca distile su- da bekletilmiştir. Bu işlem 96 gün boyunca tekrar- lanmış; her 3 günlük periyot 1 hafta olarak kabul edil- miş ve böylece 6 aylık kullanım simüle edilmiştir. Renk ölçümleri sırasıyla 3 ve 6 ayı simüle eden, 48. ve 96. günün sonunda tekrarlanmıştır.  Renk farkı değeri (ΔE) hesaplanarak veriler istatistiksel olarak analiz edilmiştir.

Bulgular: Ufi Gel P, Elite Soft’a göre istatistiksel ola- rak anlamlı derecede düşük ΔE değerleri göstermiştir (P<0.05). Protez temizleyicileri kıyaslandığında, NaOCl grubu diğer protez temizleyicilerine ve kontrol grubuna göre daha yüksek renk farkına neden olmuş (P<0.05); Corega Tabs, Fittydent ve kontrol grubu arasında ise istatistiksel olarak anlamlı bir farklılık bulunamamıştır (P>0.05).

Sonuç: Renk stabilitesi, materyalin yıpranması ve zarar görmesi hakkında klinisyenlere fikir veren bir belirteçtir. Bu nedenle, yumuşak astar maddelerinde protez temizleyicileri nedeniyle oluşan renk farkı materyal seçiminde göz önünde bulundurulmalıdır.

Keywords

Silikon, spektrofotometre, sodyum hipoklorit, alkali peroksit

THE EFFECT OF DENTURE CLEANSERS ON THE COLOR STABILITY OF SOFT DENTURE LINING MATERIALS

Abstract

Aim: The aim of this study was to evaluate the effect of denture cleansers on the color stability of long-term soft denture lining materials. Materials and Method: Two different silicone soft lining materials (Elite Soft and Ufi Gel P) and 3 different denture cleansers [Corega Tabs, Fittydent, 0.5% sodium hypochlorite (NaOCl)] were used in this study and distilled water was served as control group. Forty disc-shaped specimens, with 10 mm in diameter and 1 mm in thickness were fabricated from each soft lining material (n=10). CIE L*a*b* values of specimens were recorded with a spectrophotometer and then specimens were randomly divided into 4 groups according to the cleaning protocol. All of the specimens were immersed in denture cleansers for 8 hours, then washed under running water and after that stored in distilled water for 16 hours. This procedure was repeated for 96 days; every 3 days were considered as 1 week and thus 6-month of usage was simulated. Color measurements were repeated at the end of 48 and 96 (Nokta kaldırılsın) days and color differences (ΔE) were calculated. Data were statistically analyzed. Result: Ufi Gel P showed significantly lower ΔE values in comparison to Elite Soft (P<0.05). NaOCl demonstrated higher color differences than the other cleansers and control group (P<0.05); however there was no significantly difference among Corega Tabs, Fittydent and control group (P>0.05). Conclusion: Since color stability of soft liners is an important indicator for clinicians of aging or damaging, the color difference in soft liners caused by the denture cleansers should be taken into consideration in material selection

Keywords

Silicone, spectrophotometer, sodium hypochlorite, alkaline peroxide

References

• Dootz ER, Koran A, Craig RG. Physical property comparison of 11 soft denture lining materials as a function of accelerated aging. J Prosthet Dent 1993;69:114-9.
• Wright PS. Characterization of the rupture properties of denture soft lining materials. J Dent Res 1980;59:614-9.
• Machado AL, Breeding LC, Puckett AD. Effect of microwave disinfection on the hardness and adhesion of two resilient liners. J Prosthet Dent 2005;94:183-9.
• Nikawa H, Iwanaga H, Hamada T, Yuhta S. Effects of denture cleansers on direct soft denture lining materials. J Prosthet Dent 1994;72:657-62.
• Aydin AK, Terzioğlu H, Akinay AE, Ulubayram K, Hasirci N. Bond strength and failure analysis of lining materials to denture resin. Dent Mater 1999;15:211-8.
• Craig RG, Gibbons P. Properties of resilient denture liners. J Am Dent Assoc 1961;63:382-90.
• Murata H, Haberham RC, Hamada T, Taguchi N. Setting and stress relaxation behavior of resilient denture liners. J Prosthet Dent 1998;80:714-22.
• Garcia RM, Léon BT, Oliveira VB, Del Bel Cury AA. Effect of a denture cleanser on weight, surface roughness, and tensile bond strength of two resilient denture liners. J Prosthet Dent 2003;89:489-94.
• Garcia LT, Jones JD. Soft liners. Dent Clin North Am 2004;48:709-20.
• Kawano F, Dootz ER, Koran A 3rd, Craig RG. Sorption and solubility of 12 soft denture liners. J Prosthet Dent 1994;72:393-8.
• Nikawa H, Yamamoto T, Hayashi S, Nikawa Y, Hamada T. Growth and/or acid production of Candida albicans on soft lining materials in vitro. J Oral Rehabil 1994;21:585-94.
• Oliveira LV, Mesquita MF, Henriques GE, Consani RL, Fragoso WS. The compatibility of denture cleansers and resilient liners. J Appl Oral Sci 2006;14:286-90.
• Handa RK, Jagger DC, Vowles RW. Denture cleansers, soft lining materials and water temperature: what is the effect? Prim Dent Care 2008;15:53-8.
• Jagger D, Harrison A. Complete Dentures – Problem solving. 1st ed. London; British Dental Association:1999. p.17-20.
• Nikawa H, Hamada T, Yamamoto T, Kumagai H. Effects of salivary or serum pellicles on the Candida albicans growth and biofilm formation on soft lining materials in vitro. J Oral Rehabil 1997;24:594-604.
• Brożek R, Koczorowski R, Rogalewicz R, Voelkel A, Czarnecka B, Nicholson JW. Effect of denture cleansers on chemical and mechanical behavior of selected soft lining materials. Dent Mater 2011;27:281-90.
• Jin C, Nikawa H, Makihira S, Hamada T, Furukawa M, Murata H. Changes in surface roughness and colour stability of soft denture lining materials caused by denture cleansers. J Oral Rehabil 2003;30:125-30.
• Niarchou A, Ntala P, Pantopoulos A, Polyzois G, Frangou M. Effect of immersion cleansing in color stability and hardness of soft denture reliners. J Craniofac Surg 2012;23:426-9.
• Polyzois GL, Yannikakis SA, Zissis AJ, Demetriou PP. Color changes of denture base materials after disinfection and sterilization immersion. Int J Prosthodont 1997;10:83-9.
• Ergun G, Nagas IC. Color stability of silicone or acrylic denture liners: an in vitro investigation. Eur J Dent 2007;1:144-51.
• Anil N, Hekimoglu C, Sahin S. The effect of accelerated aging on color stability of denture liners. J Oral Sci 1998;40:105-8.
• Mancuso DN, Goiato MC, Zuccolotti BC, Moreno A, dos Santos DM, Pesqueira AA. Effect of thermocycling on hardness, absorption, solubility and colour change of soft liners. Gerodontology 2012;29:e215-9.
• Kostoulas I, Polyzois G, Mitsoudis A, Kavoura V, Frangou M. The effect of accelerated ageing on colour stability of visible light-cured (VLC) chairside denture liners. Gerodontology 2012;29:e239-45.
• Canay S, Hersek N, Tulunoğlu I, Uzun G. Evaluation of colour and hardness changes of soft lining materials in food colorant solutions. J Oral Rehabil 1999;26:821-9.
• Saraç D, Saraç YS, Kurt M, Yüzbaşioğlu E. The effectiveness of denture cleansers on soft denture liners colored by food colorant solutions. J Prosthodont 2007;16:185-91.
• Imirzalioglu P, Karacaer O, Yilmaz B, Ozmen Msc I. Color stability of denture acrylic resins and a soft lining material against tea, coffee, and nicotine. J Prosthodont 2010;19:118-24.
• Türker ŞB, Şener ID, Buğurman B, Akkuş E. Silikon bazlı daimi yumuşak astar materyallerinin renk stabilitesinin in vitro olarak değerlendirilmesi. Atatürk Üniv Diş Hek Fak Derg 2008;18:53-9.
• Polyzois GL, Yannikakis SA, Zissis AJ. Color stability of visible light-cured, hard direct denture reliners: an in vitro investigation. Int J Prosthodont 1999;12:140-6.
• Hayakawa I, Akiba N, Keh E, Kasuga Y. Physical properties of a new denture lining material containing a fluoroalkyl methacrylate polymer. J Prosthet Dent 2006;96:53-8.
• Paravina, RD, Powers, JM. Esthetic Color Training in Dentistry. 1st ed. St. Louis; Elsevier Mosby: 2004. p. 24
• Shotwell JL, Razzoog ME, Koran A. Color stability of long-term soft denture liners. J Prosthet Dent 1992;68:836-8.
• 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;101:205-13.
• Wagner WC, Kawano F, Dootz ER, Koran A 3rd. Dynamic viscoelastic properties of processed soft denture liners: Part I--Initial properties. J Prosthet Dent 1995;73:471-7
• Haywood J, Wood DJ, Gilchrist A, Basker RM, Watson CJ. A comparison of three hard chairside denture reline materials. Part II. Changes in colour and hardness following immersion in three commonly used denture cleansers. Prosthodont Restor Dent 2003;11:165-9. Eur J
• Waters MG, Jagger RG, Polyzois GL. Wettability of silicone rubber maxillofacial prosthetic materials. J Prosthet Dent 1999;81:439-43.
• Yoeli Z, Miller V, Zeltser C. Consistency and softness Dent 1996;75:412-8. liners. J Prosthet
• Orsi IA, Junior AG, Villabona CA, Fernandes FH, Ito IY. Evaluation of the efficacy of chemical disinfectants for disinfection of heat-polymerised acrylic resin. Gerodontology 2011;28:253-7.
• Paranhos Hde F, Davi LR, Peracini A, Soares RB, Lovato CH, Souza RF. Comparison of physical and mechanical properties of microwave-polymerized acrylic resin after disinfection in sodium hypochlorite solutions. Braz Dent J 2009;20:331-5.
• Davi LR, Peracini A, Ribeiro Nde Q, Soares RB, da Silva CH, Paranhos Hde F, de Souza RF. Effect of the physical properties of acrylic resin of overnight immersion in sodium hypochlorite solution. Gerodontology 2010;27:297-302.
• Nikawa H, Hamada T, Yamashiro H, Kumagai H. A review of in vitro and in vivo methods to evaluate the efficacy of denture cleansers. Int J Prosthodont 1999;12:153-9.