Cellular differentiation, bioactive and mechanical properties of experimental light-curing pulp protection materials
The operative treatment of deep carious lesions can be challenging especially when approaching the pulp as the increased risk of pulp exposure during excavation can reduce the probability of pulp survival [1]. An ideal pulp protection material for such scenarios should be highly biocompatible and bioactive [2,3]. This is especially relevant with the contemporary minimally invasive restorative philosophy where contaminated (caries-infected) dentin is removed from deep cavity selectively, retaining most of the demineralized but repairable (caries-affected) dentin for potential remineralization as well as avoiding pulp exposu...
Source: Dental Materials - March 16, 2018 Category: Materials Science Authors: Salvatore Sauro, Ashvin Babbar, Borzo Gharibi, Victor Pinheiro Feitosa, Ricardo Marins Carvalho, Lidiany Karla Azevedo Rodrigues, Avijit Banerjee, Timothy Watson Source Type: research
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Source: Dental Materials - March 15, 2018 Category: Materials Science Source Type: research
Shining a light on high volume photocurable materials
Spatial and temporal control is a key advantage for placement and rapid setting of light-activated resin composites. Conventionally, placement of multiple thin layers ( (Source: Dental Materials)
Source: Dental Materials - March 14, 2018 Category: Materials Science Authors: William M. Palin, Julian G. Leprince, Mohammed A. Hadis Tags: Review Source Type: research
Secondary caries formation with a two-species biofilm artificial mouth
The present study aimed to establish Lactobacillus casei in a completely automated Streptococcus mutans-based artificial mouth model and to investigate secondary caries inhibiting properties of glass ionomer cements / resin composite groups in vitro. (Source: Dental Materials)
Source: Dental Materials - March 12, 2018 Category: Materials Science Authors: Stefanie Amend, Roland Frankenberger, Susanne L ücker, Eugen Domann, Norbert Krämer Source Type: research
Freshly-mixed and setting calcium-silicate cements stimulate human dental pulp cells
Direct pulp capping aims to seal the vital pulp tissue exposed by trauma or deep caries excavation, in an attempt to enable the pulp to heal and so to avoid a more invasive and often technically difficult root-canal treatment. Pulp exposure mostly involves odontoblast destruction and fibroblast injury [1,2]. A successful pulp-capping procedure requires a mild inflammatory reaction along with a supply of mainly calcium ions to stimulate recruitment and proliferation of dental pulp stem cells from their vascular niche [3,4]. (Source: Dental Materials)
Source: Dental Materials - March 7, 2018 Category: Materials Science Authors: Mariano S. Pedano, Xin Li, Shuchen Li, Zeyi Sun, Stevan M. Cokic, Eveline Putzeys, Kumiko Yoshihara, Yashuhiro Yoshida, Zhi Chen, Kirsten Van Landuyt, Bart Van Meerbeek Source Type: research
Acidic pH weakens the bonding effectiveness of silane contained in universal adhesives
Silane coupling agents are widely used in restorative dentistry, mediating the adhesion between inorganic and organic materials [1]. γ-Methacryloxypropyltrimethoxysilane (γ-MPTS) is one of the most common functional silane monomer used for dental applications [2,3]. Especially for silica-based ceramic bonding, the application of a silane coupling agent is recommended because bifunctional silane molecules can form a siloxane net work with ceramic surfaces and copolymerize with composite resin [4,5]. (Source: Dental Materials)
Source: Dental Materials - March 7, 2018 Category: Materials Science Authors: Chenmin Yao, Jian Yu, Yake Wang, Chuliang Tang, Cui Huang Source Type: research
The effect of ultraviolet induced fluorescence on visually perceived tooth color under normal light conditions
Restorative and prosthetic materials should provide an appearance similar to natural teeth under all light conditions, including UV-rich environments and daylight. Various studies claim that UV-induced fluorescence makes teeth whiter and brighter in daylight. The aim of this paper is to determine experimentally the significance of tooth fluorescence in natural sunlight on perceived tooth color. (Source: Dental Materials)
Source: Dental Materials - March 7, 2018 Category: Materials Science Authors: Sascha Hein, Jaap J. ten Bosch Source Type: research
Freshly-mixed and setting calcium-silicate cements stimulate human dental pulp cells
Direct pulp capping aims to seal the vital pulp tissue exposed by trauma or deep caries excavation, in an attempt to enable the pulp to heal and so to avoid a more invasive and often technically difficult root-canal treatment. Pulp exposure mostly involves odontoblast destruction and fibroblast injury [1,2]. A successful pulp-capping procedure requires a mild inflammatory reaction along with a supply of mainly calcium ions to stimulate recruitment and proliferation of dental pulp stem cells from their vascular niche [3,4]. (Source: Dental Materials)
Source: Dental Materials - March 7, 2018 Category: Materials Science Authors: Mariano S. Pedano, Xin Li, Shuchen Li, Zeyi Sun, Stevan M. Cokic, Eveline Putzeys, Kumiko Yoshihara, Yashuhiro Yoshida, Zhi Chen, Kirsten Van Landuyt, Bart Van Meerbeek Source Type: research
Acidic pH weakens the bonding effectiveness of silane contained in universal adhesives
Silane coupling agents are widely used in restorative dentistry, mediating the adhesion between inorganic and organic materials [1]. γ-Methacryloxypropyltrimethoxysilane (γ-MPTS) is one of the most common functional silane monomer used for dental applications [2,3]. Especially for silica-based ceramic bonding, the application of a silane coupling agent is recommended because bifunctional silane molecules can form a siloxane net work with ceramic surfaces and copolymerize with composite resin [4,5]. (Source: Dental Materials)
Source: Dental Materials - March 7, 2018 Category: Materials Science Authors: Chenmin Yao, Jian Yu, Yake Wang, Chuliang Tang, Cui Huang Source Type: research
The effect of ultraviolet induced fluorescence on visually perceived tooth color under normal light conditions
Restorative and prosthetic materials should provide an appearance similar to natural teeth under all light conditions, including UV-rich environments and daylight. Various studies claim that UV-induced fluorescence makes teeth whiter and brighter in daylight. The aim of this paper is to determine experimentally the significance of tooth fluorescence in natural sunlight on perceived tooth color. (Source: Dental Materials)
Source: Dental Materials - March 7, 2018 Category: Materials Science Authors: Sascha Hein, Jaap J. ten Bosch Source Type: research
Effect of dental monomers and initiators on Streptococcus mutans oral biofilms
Dimethacrylate-based dental resins generally result in incomplete conversion of the monomers to polymers due to vitrification. As a result, measurable levels of leachables can elute from the materials after polymerization [1 –3]. Some of the leachable components may exhibit a burst release that declines over time, but in other cases leachables have been shown to elute for extended periods [4], especially if the final degree of conversion (DC) of the polymeric material is low [5]. Leachables are well-established as one of the primary causes for cytotoxicity to mammalian cells associated with dental polymers and composites...
Source: Dental Materials - March 6, 2018 Category: Materials Science Authors: Nancy J. Lin, Courtney Keeler, Alison M. Kraigsley, Jing Ye, Sheng Lin-Gibson Source Type: research
