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    1. Home
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    3. Implants

    Implants

    Abutment options for implants

    Material options for implants

    Screw-retained Restorative Options

    The abutment and crown are an integrated unit. The options are:

    • Cast abutments – veneered with porcelain or composite
    • Titanium base – CAD/CAM (adhesive bases for monolithic or laminated zirconium-oxide, lithium disilicate or ceramic-composite hybrids)
    • Milled abutments – Metal (titanium or CoCr) or Zirconia

     

    RESTORATION RETAINED INDICATIONS EXPLANATORY NOTES
    PFM ✓ Universal Direct to fixture with High Noble, Noble and Cobalt Chromium or Titanium superstructure with porcelain veneering
    IPS e.max® ✓ Limited Titanium interface, monolithic combination abutment and crown
    Reduced strength/care in case selection
    (optimal translucent effect)
    PFZ/Lava™ Classic Zirconia Frame ✓ Aesthetics/Strength Titanium interface, zirconia abutment with veneering ceramic
    (optimal aesthetics)
    FMZ ✓ Economical/Strength Titanium interface, monolithic combination abutment and crown
    (optimal strength)

     Cement-retained Restorative Options

    RESTORATION CAST GOLD ABUTMENT TITANIUM OR Co/Cr ABUTMENT ZIRCONIA ABUTMENT* INDICATIONS
    PFM ✓ ✓ Limited Universal
    IPS e.max® Limited Limited ✓ High Aesthetics
    PFZ/Lava™
    Classic Zirconia Frame    		 ✓ ✓ ✓
    (Aesthetics +)    		 Aesthetics
    + Strength
    FMZ Limited ✓ ✓ Strength
    + Economical

     *Titanium interface in some cases

    1. Titanium interface is strong. When it is torqued down, it is unlikely to split zirconia abutments.
    2. Some systems have a pure zirconia abutment direct to fixture depending on:

    • size of implant (narrow implants are unsuitable)
    • compatibility with scanners

     

    Hybrid Restorations

    • Screw-retained hybrids offer a very cost-effective fixed-prosthesis option
    • Comprised of a cast of milled metal substructure layered with pink acrylic to retain acrylic denture teeth
    • Some degree of lost tissue replacement is possible
    • Implant positioning and angles must be favourable or angled abutments can be used to “correct” the angle so that screw access holes are in lingual or palatal or occlusal position
    • These restorations are readily retrievable and also easily repaired
    • To facilitate good patient care and plaque control, careful design is important
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