complete dentures การใช้
- Bone loss with missing teeth, partials and complete dentures is progressive.
- A lower complete denture should or must be supported by two to four implants placed in the lower jaw for support.
- Some patients who believe they have'bad teeth'may consider having all of them extracted and replaced with complete dentures.
- This is because complete dentures have only 10 % of the chewing power of natural teeth, and it is difficult to get them fitted satisfactorily, particularly in the mandibular arch.
- Zinc oxide eugenol is also used as an impression material during construction of complete dentures and is used in the mucostatic technique of taking impressions, usually in a special tray, ( acrylic ) produced after primary alginate impressions.
- However, retention of just one or two teeth in the upper jaw does not contribute much to the overall stability of a denture, since an upper complete denture tends to be very stable, in contrast to a lower complete denture.
- However, retention of just one or two teeth in the upper jaw does not contribute much to the overall stability of a denture, since an upper complete denture tends to be very stable, in contrast to a lower complete denture.
- This makes it initially difficult to fabricate both complete dentures and removable partial dentures for patients exhibiting complete and partial edentulism, respectively; however, once the space is " taken back " by the prosthetic teeth, the tongue will return to a narrower body.