nanova dental composite products -...
TRANSCRIPT
Oce 7, 2017 Liang Chen, Ph.D. Nanova Biomaterials Inc. Columbia, Missouri, USA Email: [email protected]
Nanova Dental Composite Products
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The New Generation of Nanohybrid Universal and Flowable Composites
TM
Strength and Aesthetics in One Composite
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Clinical Challenges
Composites ~6-8 years, short life span
Amalgam 13-20 years
(Images from ADA.org)
Posterior Restoration
A stronger and more durable composite is needed.
0%
10%
20%
30%
40%
50%
60%
High Wear Low
Strength
High
Shrinkage
Excessively
LowViscosity
47% 45%
29% 24%
Problems Observed with Flowable
Clinicians Report Survey in 2013 (n=1579)
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Nanova Solution-Bionanocomposite Technology
Hydroxyapatite Nanofiber Make Existing Nanohybrid Composites Stronger
Boeing 787 Dreamliner Carbon Fiber Composites
1 μm
Why use hydroxyapatite nanofibers?
• Biomaterial - Dentin and enamel contain hydroxyapatite
• Strength - Superior strength improves the strength of dental composites
• Polishability-Much smaller size than microfibers/whiskers
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• Stronger than other leading composite - Dentist can feel
the difference during restoration
• Stand well against bruxing teeth
• Superior handling properties-Non-sticky to the instrument
NovaPro Fill - Strength
FDA Cleared Use:
Direct anterior and posterior restorations, including occlusal surfaces
Splinting
Core build-ups
Indirect restorations, including inlays, onlays, and veneers
60
90
120
150
180Flexural Strength (MPa)
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• Nice chameleon effect while blending with enamel or dentin
• Greater stain resistance • Good shade match with more than 20 Vita shades
available • Nice final finish with higher luster
Color Shift (Delta E value) in Coffee for 24 hours
0
3
6
9
12
NovaPro A2 FiltekSupremeUltra A2B
Premise A2 TPHSpectrum
A2
VenusDiamond A2
Class IV restoration with NovaPro Fill A2- Provided by Dr. Fernando Astorga, University Of Colorado
Before After
NovaPro Fill - Aesthetic
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• Low water sorption rate and high double bond conversion-Long-lasting and durable fills
• Good compatibility with existing self-etch and
total-etch bonding systems
Water Sorption (µg/mm-3)
0
10
20
30
40
NovaPro Venus
Diamond
Premise TPH
Spectra
Shofu Filtek
Supreme
Ultra
NovaPro Fill-Stability
Micro-tensile Strength (MPa)
0
30
60
90
0
30
60
90
NovaPro Fill Filtek Supreme
Ultra
Beautifil II
Degree Conversion Rate(%)
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Clinical Cases and Feedback
Class V restoration with NovaPro Fill A2 Provided by a dentist from Saudi Arabia
• Editors’ Choice Award from Dental Advisor
• Exceptional strength • Excellent aesthetic effects
• Non-sticky to the instrument
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Clinical Cases and Feedback-Highly Aesthetic Restoration
Case1
Provided by Dr. Liu Tianshuang in Dalian Dental Hospital of China
Case2
Super thin veneer made by multiple shades of NovaPro Fill
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NovaPro Flow: FDA Cleared Uses
Precise and easy to place
and control
Less shrinkage stress results
in improved marginal
quality
Superior bond strength
Additional Uses
Stronger than other leading
products
Holding shape well and
lack of stickiness
Great color, adaptation,
and stability
Pits and fissure sealant
Direct and indirect restoration repair Minimally invasive restoration
Class I and II Class III and V
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NovaPro Flow-Features
• Precise and easy to place and control
• Minimal Bubble after dispensing - Prevent void and weakness point in the restoration • Lower shrinkage stress - Results in an improved marginal quality • High Strength and excellent shade blocking-Porcelain crown repair • Hold shape well and lack of stickiness
NovaPro Flow
Kerr
3M
Optical images of flowable composites after injection from syringe
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Two Body Wear Test (50K cycles)
Dentsply 3M Nanova
SEM images of flowable composite before and after wear testing
Nanova
3M
Dentsply GC
NovaPro Flow exhibit better performance on wear resistance and polishing retention
S. Nomoto et al. J Dent Res 95 (Spec Iss B): 1354, 2016
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Clinical Cases and Feedback
Porcelain crown repair by NovaPro Flow Provided by Dr. John W. Farah ( Founder of Dental Advisor)
Temporary crown made by NovaPro Flow A2 Provided by Dr. Kyle Lisenby(Columbia, MO)
• Three awards from Dental Advisor
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Questions & Answers