Contraindications - Dentsply Sirona Celtra Ceram Mode D'emploi

Date: 2018-04
Celtra® Ceram
Introduction
Thank you for choosing Celtra
porcelain. For more than 100 years, Dentsply Sirona
has been shaping the dental industry with innovative
products designed to establish a new standard in
esthetics and quality in fabricating all-ceramic dental
prostheses. We are pleased to introduce this new
product system with the highest level of performance
our customers demand.
Indications
Celtra Ceram is suitable for veneering all-ceramic
frameworks.
Compatibility
Celtra Ceram is designed exclusively for dental
use only by trained professionals. Specifically, it is
a low-fusing, leucite-reinforced feldspathic ceramic
optimized for veneering and characterizing all ceramic
frameworks (see below) in a dental laboratory.
With a coefficient of thermal expansion (CTE) of
9.0 x 10 -6 K -1 (25-500 °C) and a firing temperature of
770 °C (1st dentin), Celtra Ceram is suitable for lithium
disilicate frameworks. A firing temperature of 780 °C
(1st dentin) is recommended for zirconia substrates.
• Celtra ® Press Zirconia-reinforced Lithium Silicate
(ZLS) frameworks:
9.7 x 10 -6 K -1 (CTE 25-500 °C)
• Lithium disilicate frameworks:
10.0 – 10.5 x 10 K (25-500 °C)
-6 -1
• Cercon ht zirconia framework:
10.5 x 10 -6 K -1 (25-500 °C)
• Cercon xt zirconia framework:
10.1 x 10 -6 K -1 (25-500 °C)
• Zirconia frameworks:
10.1 – 11.0 x 10 K (25-500 °C)
-6 -1

Contraindications

Only the indications listed above are suitable. The
following are not acceptable for use of Celtra Ceram:
• Celtra DUO blocks with a CTE of 11.6 x 10
(25-500 °C)
• Titanium or alloy frameworks with a similar CTE
• Alumina frameworks
• Any other veneering ceramic system
• Bruxism or other parafunctions
• Insufficient occlusal distance
® Ceram veneering
K
-6 -1
Warnings
Undesired side effects of these medical products are
extremely rare with proper processing and use. In case
of skin sensitization or rash, discontinue use and seek
medical attention. Immunoreactions, such as allergies
and/or local irritations (taste or oral mucosa), cannot
completely be excluded on principle.
For patients with hypersensitivity to any of the ingredi-
ents, this medical device must not be used or only used
under strict supervision of a treating physician/dentist.
Similarly, known cross-reactions or interactions of this
medical product with other materials existing in the
mouth must be considered by the physician/dentist.
Precautions
• Do not inhale abrasive dusts
• Do not ingest any of the materials (paste/powder/fluid)
• Frameworks that show evidence of cracking or
surface voids must be discarded and not processed
further; do not attempt to repair any cracks during the
veneering process or additional firings
• Consider the following during firing to avoid potential
for cracking:
– Do not completely fill restorations with
refractory putty
– Use only ceramic pins, if possible
– If wire pins are used, cover the wire with refractory
putty but do not completely fill restoration
• Frameworks below minimum thickness are not
recommended
• For minimum thickness recommendations for
restorations, please consult table on page 5 / 6.
Adverse reactions
No adverse reactions have been reported for
Celtra Ceram. When working with these materials,
make sure to comply with the Instructions for Use
and the pertinent Safety Data Sheets (SDS).
Technical data
• Coefficient of Thermal Expansion (CTE):
9.0 ± 0.5 x 10 -6 K -1 (25-500 °C), T
• Device classification: Dental ceramics, type 1,
class 1 per ISO 6872: 2015
• Flexural strength: 108 MPa
• Chemical solubility: 28 µg/cm
Introduction to the market: October 2016
en
= 520 °C
g
2
1