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A Guide to Ceramic Selection

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CERAMIC
SYSTEM		 RESTORATION
TYPES		 INDICATIONS CONTRAINDICATIONS SUGGESTED USE
CERCON and
PROCERA Zirconia		 CROWNS and BRIDGES
(up to 4 units)		 PREMOLARS AND MOLARS
Where metal free restoration
is preferred		 INLAYS, ONLAYS, ANTERIORS and VENEERS Great strength for posteriors but aesthetics not as good as e.Max or Procera Alumina.
Can be cemented without risks of bonding procedure.
CERCON AESTHETIC
(Porcelain buccal margin
and Dentaurum Triceram
veneering ceramic)		 As above Anteriors, premolars
and molars		 As above Much improved aesthetics on Cercon, especially if axial wall reduction is adequate
PROCERA ALUMINA CROWNS, SIMPLE ANTERIOR
BRIDGES, INLAYS, ONLAYS and
VENEERS		 All restorations, where more
strength than e.Max (Empress II) is required and underlying abutment colour may be a problem		 Sharp line angles and uneven thickness of ceramic can cause fracturing Stronger than e.Max (Empress II) and more aethetic than Cercon. Excellent for masking non-vital teeth. Models need to be scanned so undercuts present a problem if present in preparations. 
   

The translucency of all-ceramic materials vary significantly and affect the final aesthetic outcome.
e.Max Press
(EMPRESS II)
e.Max Zir Press		 CROWNS, SIMPLE ANTERIOR
BRIDGES, INLAYS, ONLAYS, and
VENEERS		 All Restorations including
ANTERIOR CROWNS and
VENEERS 		 POSTERIOR CROWNS –
Insufficient occlusal clearance, short clinical crowns or parafunction
ANTERIOR CROWNS –
Underlying abutment colour is dark, root filled or metallic post and core
INLAYS and ONLAYS –
Uneven thickness of ceramic,
subgingival margins, parafunctions 		 Magnificent life-like aesthetics. Strength directly proportional to width of ceramic. Translucency can cause problems if abutment is dark but can be overcome in some situations by using opaque ingots and opaquers to mask colour. 
CERAMAGE NG
(Ceromer)		 ALL CROWNS, Small span
Anterior and Posterior
BRIDGES, INLAYS and ONLAYS
Ideal for Implant retained
Crowns to minimize load to
fixture
  • Ideal for inlays and onlays in all posteriors
  • Can be used for full crowns
  • Significantly lower fracture rates and less technique sensitive so can be very successful replacing old amalgams where margins are
    undulating and restoration is of uneven thickness
  • Less wear on opposing tooth structure
  • Better marginal adaptation
  • Easier to polish if adjusted 
 Unsuitable for veneers or long span bridges and difficult to bond perfectly if margins are subgingival Qualities such as shade stability, fluorescence and life-like opalescence provide the completed restoration with an impressive aesthetic appearance. Wear properties similar to amalgam gives excellent life span to restoration. Fibre reinforced layer gives flexibility and strength when required. 

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