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Home page  |  Techniques  |  Technical info about dental attachments  |  The bonding

The bonding


Reliable technique (also used for important applications in aeronautical field) that has been proposed by different companies for the fixing of the attachments both in the primary parts and in the secondary ones.
In theory bonding offers to dentistry such a series of advantages to make obsolete any other technique till today used.
In practice however, the high costs of the components and a rooted mistrust of both dentists and technicians respect the effectiveness and the working-life of the adhesives have limited its diffusion in favour of the casting. In any case is worldwide agreed that the bonding grants:

  1. The precision of the connection thanks to all prefabricated components used;
  2. Compensation of potential misfittings due to mistakes occurred during the positioning;
  3. The original mechanical strength of the material that has been made from cold-drawn material subsequently machined;
  4. Possibility of modifications or change taking away the old components and bonding the new ones;
  5. The technique foresees to obtain through duplication and/or modelling or using special accessories an housing where to insert and then bond with an adhesive the component of the attachment.

To achieve a good result it is fundamental to use devices intended for dental attachments and to verify:

  1. The effectiveness of the adhesive, the observance of the instructions of use and the control of its expiry date;
  2. The shape and the completeness of the housing of the component to be bonded;
  3. The surface roughness of the housing that must be increased by blasting Al2O3 (precious alloys 150 micron/non precious alloys 300 micron) shelting the connection guides of the attachment.

The research and the continuous evolution in the chemical field suggests to verify, before any reorder, the presence on the market of new adhesives having features more suitable for the bonding.
  • Precision of the fitting
  • Mechanical strength of all components
  • No work effort

  • High costs of the components
  • Mistrust on its reliability
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