David C. Watts
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View article: Effect on hygroscopic characteristics of n‐ZnO additions to resin composite
Effect on hygroscopic characteristics of n‐ZnO additions to resin composite Open
This study investigates the effect of adding different amounts of n‐ZnO to model resin‐based composites on their hygroscopic characteristics. Six groups ( n = 5) were formulated using Bis‐GMA, TEGDMA, UDMA, inert barium glass powder, silic…
View article: Guidance on the assessment of the functionality of biomaterials for periodontal tissue regeneration: Methodologies and testing procedures
Guidance on the assessment of the functionality of biomaterials for periodontal tissue regeneration: Methodologies and testing procedures Open
Innovative biomaterials and tissue engineering strategies show great promise in regenerating periodontal tissues. This guidance provides an overview and detailed recommendations for evaluating the biological functionality of these new biom…
View article: Guidance on biomaterials for periodontal tissue regeneration: Fabrication methods, materials and biological considerations
Guidance on biomaterials for periodontal tissue regeneration: Fabrication methods, materials and biological considerations Open
View article: Guidance for evaluating biomaterials’ properties and biological potential for dental pulp tissue engineering and regeneration research
Guidance for evaluating biomaterials’ properties and biological potential for dental pulp tissue engineering and regeneration research Open
This article aims to present the biological foundations of dental pulp tissue engineering alongside potential testing methodologies and their advantages and limitations. It provides guidance for developing research protocols to evaluate th…
View article: The effect of photoinitiator systems on resin-based composite containing ZnO-nanoparticles
The effect of photoinitiator systems on resin-based composite containing ZnO-nanoparticles Open
The addition of DPI resulted in an overall increased curing depth, which was enhanced when lower concentrations of photoinitiators were used. Also, DPI resulted in faster conversions. This is desirable in designing antibacterial RBC contai…
View article: Effect of preparation designs and CAD-CAM materials on step-stress fatigue survival of premolar partial coverage restorations: An in-vitro study with fractographic analysis
Effect of preparation designs and CAD-CAM materials on step-stress fatigue survival of premolar partial coverage restorations: An in-vitro study with fractographic analysis Open
The findings of this study emphasize the critical role of material selection and preparation design in optimizing the mechanical performance and clinical success of partial coverage restorations. 4Y-PSZ is recommended for high-stress areas…
View article: Surface and bulk viscoelastic stability of solvent-stored bulk-fill resin-based composite
Surface and bulk viscoelastic stability of solvent-stored bulk-fill resin-based composite Open
Solvent storage decreased the Martens hardness of both upper and lower surfaces and increased the bulk creep characteristics of bulk-fill RBCs. Nevertheless, there was a similar relative stability in surface hardness and viscoelastic stabi…
View article: Diversity of short-term DC outcomes in bulk-fill RBCs subjected to a 3 s high-irradiance protocol
Diversity of short-term DC outcomes in bulk-fill RBCs subjected to a 3 s high-irradiance protocol Open
The measurement of LT% and DC% at 5 min gave an insight into the developing polymerization process. The initial response of these bulk-fill composite to a high-irradiation protocol varied depending on their composition and viscosity, being…
View article: Guidance on the assessment of biocompatibility of biomaterials: Fundamentals and testing considerations
Guidance on the assessment of biocompatibility of biomaterials: Fundamentals and testing considerations Open
This article aims to provide an overview of the key concepts associated with evaluating the biocompatibility of biomaterials while also offering practical guidance on cellular principles, testing methodologies, and biological assays that c…
View article: Achieving property enhancements in dental resin composites via reduced concentrations of camphorquinone within a ternary initiator system
Achieving property enhancements in dental resin composites via reduced concentrations of camphorquinone within a ternary initiator system Open
DPI improved the assessed properties of composites across various concentrations of CQ/EDAB, showing the benefit of reducing the quantity of CQ used without compromising the properties and curing of the resin composites.
View article: Effect of polymerisation protocols on water sorption, solubility and hygroscopic expansion of fast-cure bulk-fill composite
Effect of polymerisation protocols on water sorption, solubility and hygroscopic expansion of fast-cure bulk-fill composite Open
For TPF, fast (3 s) polymerisation did not increase either water sorption or solubility, compared with 20 s irradiation. However, with the two comparative bulk-fill composites, fast cure increased water sorption by 15-25% and more than dou…
View article: Do strength of zirconia-abutment-interfaces depend on cement, zirconia type and titanium abutment dimensions?
Do strength of zirconia-abutment-interfaces depend on cement, zirconia type and titanium abutment dimensions? Open
This study contributes insights into the complex interplay of factors influencing the zirconia-abutment-interface. The results provide a foundation for refining clinical approaches, emphasizing the importance of chimney height and zirconia…
View article: Biomechanical reinforcement by CAD-CAM materials affects stress distributions of posterior composite bridges: 3D finite element analysis.
Biomechanical reinforcement by CAD-CAM materials affects stress distributions of posterior composite bridges: 3D finite element analysis. Open
Reinforcing CAD-CAM bar materials with a high modulus of elasticity, such as Zr and EX, may result in debonding failures at the connector sites of posterior composite bridges. Conversely, GB, PEEK, and Tri have the potential to cause fract…
View article: Recent advances in additive manufacturing of patient-specific devices for dental and maxillofacial rehabilitation
Recent advances in additive manufacturing of patient-specific devices for dental and maxillofacial rehabilitation Open
View article: Bond Strength, Microleakage, Microgaps, and Marginal Adaptation of Self-adhesive Resin Composites to Tooth Substrates with and without Preconditioning with Universal Adhesives.
Bond Strength, Microleakage, Microgaps, and Marginal Adaptation of Self-adhesive Resin Composites to Tooth Substrates with and without Preconditioning with Universal Adhesives. Open
Conventional resin composite outperformed the SAC whether applied solely or in conjunction with their corresponding universal adhesives.
View article: Thermography and conversion of fast-cure composite photocured with quad-wave and laser curing lights compared to a conventional curing light
Thermography and conversion of fast-cure composite photocured with quad-wave and laser curing lights compared to a conventional curing light Open
Radiant exposures delivered by the various irradiation protocols were between 4.5-30.3 J/cm2. Short exposure times from MONET-1 s and PW-3 s delivered the lowest radiant exposures (4.5 and 5.2 J/cm2, respectively) and…
View article: The global burden of plastics in oral health: prospects for circularity, sustainable materials development and practice
The global burden of plastics in oral health: prospects for circularity, sustainable materials development and practice Open
Plastics in oral healthcare: innovations to move away from landfills to create value and sustainable care.
View article: Properties of model E-glass fiber composites with varying matrix monomer ratios
Properties of model E-glass fiber composites with varying matrix monomer ratios Open
View article: Temperature rise in photopolymerized adhesively-bonded resin composite: A thermography study
Temperature rise in photopolymerized adhesively-bonded resin composite: A thermography study Open
View article: Osseointegration of photodynamic active biomaterials for bone regeneration in an animal bone model over a period of 12 months
Osseointegration of photodynamic active biomaterials for bone regeneration in an animal bone model over a period of 12 months Open
Both biomaterials, especially BioM1 showed good osseointegration and bone formation characteristics and can be recommended for further examination in periodontal regeneration studies.
View article: Light-curing dental resin-based composites: How it works and how you can make it work
Light-curing dental resin-based composites: How it works and how you can make it work Open
Aim Clinicians may become quite familiar with the rapid transformation of composite pastes to rigid solids as a routine phenomenon in operative dentistry. But they may still lack scientific understanding of how and why this happens. Effort…
View article: Coaxial electrospun nanofibers as drug delivery system for local treatment of periodontitis
Coaxial electrospun nanofibers as drug delivery system for local treatment of periodontitis Open
View article: Stress distribution in resin-based CAD-CAM implant-supported crowns
Stress distribution in resin-based CAD-CAM implant-supported crowns Open
View article: Effect of acidic media on flexural strength and fatigue of CAD-CAM dental materials
Effect of acidic media on flexural strength and fatigue of CAD-CAM dental materials Open
View article: Effect of CAD/CAM aesthetic material thickness and translucency on the polymerisation of light- and dual-cured resin cements
Effect of CAD/CAM aesthetic material thickness and translucency on the polymerisation of light- and dual-cured resin cements Open
View article: Should statistical analysis of bond-strength data include or exclude cohesive failures?
Should statistical analysis of bond-strength data include or exclude cohesive failures? Open
After exclusion of cases with cohesive failures OBXTR adhesive fell behind other materials in the sequence of average shear strengths. This did not reflect the actual performance of the material. Therefore, in statistical analysis we do no…
View article: Polymerization and shrinkage kinetics and fracture toughness of bulk-fill resin-composites
Polymerization and shrinkage kinetics and fracture toughness of bulk-fill resin-composites Open
Different types of bulk-fill composites showed comparable shrinkage. A highly filled BF giomer composite (BBR) had the lowest fracture toughness, whereas others had similar KIC. Pre-heating had no adverse effects on Viscalor pro…
View article: Biological response of epithelial and connective tissue cells to titanium surfaces with different ranges of roughness: An in-vitro study
Biological response of epithelial and connective tissue cells to titanium surfaces with different ranges of roughness: An in-vitro study Open
All investigated roughness levels were sufficiently biologically compatible with cells representative of the major population of the soft tissue surrounding dental implants. However, the S surface was most cytotoxic to HGKC, while the MM s…
View article: Alternatives to amalgam: Is pretreatment necessary for effective bonding to dentin?
Alternatives to amalgam: Is pretreatment necessary for effective bonding to dentin? Open
View article: Mechanical behaviour of prosthodontic CAD/CAM polymer composites aged in three food-simulating liquids
Mechanical behaviour of prosthodontic CAD/CAM polymer composites aged in three food-simulating liquids Open
Mechanical properties of each CAD/CAM composite were strongly dependent upon media and ageing. Although the mechanical properties of PK were initially inferior, it was relatively stable in all FSLs. All three materials exhibited sufficient…