Effect of professional dental prophylaxis on the surface gloss and roughness of CAD/CAM restorative materials

Abstract

BackgroundThis study aimed to evaluate the effect of dental prophylaxis on the surface gloss and roughness of different indirect restorative materials for computer-aided design/computer-aided manufacturing (CAD/CAM): two types of CAD/CAM composite resin blocks (Shofu Block HC and Estelite Block) and two types of CAD/CAM ceramic blocks (IPS Empress CAD and Celtra DUO).Material and MethodsAfter polishing the CAD/CAM blocks and applying prophylaxis pastes, professional dental prophylaxis was performed using four different experimental protocols (n = 5 each): mechanical cleaning with Merssage Regular for 10 s four times (Group 1); four cycles of mechanical cleaning with Merssage Regular for 10 s and Merssage Fine for 10 s (Group 2); four cycles of mechanical cleaning with Merssage Regular for 10 s and Merssage Fine for 30 s (Group 3); and mechanical cleaning with Merssage Fine for 10 s four times (Group 4). A glossmeter was used to measure surface gloss before and after mechanical cleaning, and a contact stylus profilometer was used to measure surface roughness (Ra).ResultsPolishing with prophylactic paste led to a significant reduction in surface gloss and increase in surface roughness among resin composite blocks, whereas the polishing-related change in surface gloss or roughness was smaller in Celtra DUO, a zirconia-reinforced lithium silicate block.ConclusionsChanges in surface gloss and roughness due to polishing with a prophylactic paste containing large particles were not improved by subsequent polishing with a prophylactic paste containing fine particles. Key words:CAD/CAM, professional dental prophylaxis, prophylactic paste, surface gloss, surface roughness.

Influence of one-step professional mechanical tooth cleaning pastes on surface roughness and morphological features of tooth substrates and restoratives

“…In general, the cleaning and polishing effects of PMTC pastes are material-dependent, and the effectiveness of cleaning seems to conflict with the polishing capability [13,15,16]. Therefore, PMTC pastes with different RDA values are commonly used successively in multiple steps [17]. However, multiple-step PMTC may require time-consuming procedures with different PMTC pastes and may be expensive.…”

“…Also, some one-step PMTC pastes contain components that enhance the acid resistance of the tooth surface or inhibit gingival inflammation through the bioactive reaction of the abrasive particles [19]. However, previous studies have reported risks of wear and harm for teeth surfaces or restoratives when PMTC is performed inadequately or when an inappropriate PMTC paste is selected [10][11][12][13][14][15][16][17][18][19][20][21][22].…”

Farklı Profilaktik Parlatma İşlemlerinin Mikrohibrit ve Nanohibrit Kompozit Rezinlerin Yüzey Pürüzlülüğü Üzerine Etkisi

“…Profesyonel dental profilaksi, diş çürüğü ve dişeti hastalıklarının önlenmesi amacıyla subgingival veya supragingival diş yüzeyinde birikmiş olan plağın uzaklaştırılması amacıyla uygulanmaktadır. 12 Çürük ve dişeti hastalıklarının önlenmesinde çok başarılı bir yöntem olmasına rağmen profilaksi işlemleri, kullanılan aletler ve profilaksi patları nedeniyle mine, dentin ve diş üzerinde bulunan restoratif materyallerin yüzey pürüzlülüklerini arttırabilmektedir. 13,14 Günümüze kadar konuyla ilgili gerçekleştirilen araştırma sonuçlarına göre dental profilaksi işlemlerinin genellikle 1000-3000 rpm devirle gerçekleştirildiği bilinmektedir.…”

The Effect of Ultrasonic Scaling and Air-Powder Polishing on the Roughness of the Enamel, Three Different Nanocomposites, and Composite/Enamel and Composite/Cementum Interfaces

“…This necessitates periodontal therapy and/or maintenance that involves the removal of supra-and subgingival biofilm and calculus and obtaining a biologically acceptable root surface [4,9]. Biofilm and other dental deposits should be regularly removed every 3 to 6 months [10,11], depending on the patient's periodontal status.…”