INFO - Micerium

H R i ®
Question:
What HRi means?
Answer:
High Refraction Index
ENAMEL PLUS HRi FAQ
Question:
What does “UD” and “UE” mean in the HRI colour name?
Answer:
“UD” means Universal Dentine, “UE” Universal Enamel
Question:
How many levels of value are there within the Universal Enamel ?
Answer:
There are 3 values
UE3 very high value white enamel to be used only for very white teeth
(children or coloured people) and bleached teeth
UE1 amber hue enamel can be used in thinner layers to obtain a low value, while
increasing the thickness can be used for high value restoration with amber
effects
UE2 medium value enamel can be used in thicker layers to obtain high value
enamel.
Question:
What is the correspondence of HRi Dentine with Vita ®* colour guide?
Answer:
Dentine corresponds to A Vita ®* colour.
Question:
What are Dentine UD0 and UD0,5 ?
Answer:
Dentine for very white teeth or bleached teeth.
Question:
Why HRi Shade guide is made in composite?
Answer:
In this way the colour is exactly the same.
Question:
Can I use a wetting resin?
Answer:
Do not wet Universal Enamel with any resin or bonding because it will change
the refraction index and cause the composite to become too opaque.
Question:
Can I use flow material as liner in the cavity?
Answer:
The use of a flow material is recommended as cavity liner in posterior and in
anterior Class V. It is also indicated for luting. The properties and colours
of HRI Flow allows its combined use with
Enamel Plus HRI
* Vita
®
is a registered trademark of Vita Zahnfabrik H. Rauter mbH & Co. KG, Bad Säckingen - D
estetica
®
GRUPPO
MICERIUM

Question:
Which are the polymerization times?
Answer:
Cure layers of 1-1,5 mm (no more than 2 mm) for 40 seconds with halogen light
(20 seconds with LED)
Question:
Does HRi need a specific bonding system ?
Answer:
No, it can be used with any bonding.
Question:
Is HRi suitable only for anterior?
Answer:
No, it can be used also for posterior.
H R i ®
Question:
How can be HRi polished?
Answer:
With polishing system Shiny you achieve a very good polishing and also increase
the hardness of the surface.
Question:
Are stains available for characterization?
Answer:
Yes
Question:
Why HRi have a special syringe?
Answer:
Because it avoids stress of the material.
Question:
What is the composition of HRi?
Answer:
Dentine are microhybrid, Enamel are nanohybrid.
Question:
What are the advantages of nanocomposite?
Answer:
Better physical properties, high polishability and high sculpability.
Question:
What is the consistency of HRi?
Answer:
Dentine are microhybrid and thus moresofter, Enamel are more stiff due to the
nanoparticles.
Question:
Can HRI be heated to improve the handling?
Answer:
Yes, can be heated in a composite warmer like Ena Heat.
Question:
Recent literature suggest to heat the composite, why?
Answer:
Because you improve the physical properties of the material,
handling and avoid bubbles.
estetica
®
GRUPPO
MICERIUM