Precision attachment partial dentures are the very best restorations and indicated when there are not enough teeth remaining in a dental arch for fixed bridge work.
The precision attachments incorporated in the denture and supporting teeth connects a partial denture to fixed bridgework and helps the denture to stay in place. This denture does not dislodge during normal masticatory functions.
The longevity of these dentures is well documented.
What are the parts of Precision attachment?
A precision attachment contains a female part (lock) which is soldered to crowns or bridges which are fixed in the mouth and the male part which sits in the partial denture (key) fits into this female part very precisely and with the exact degree of accuracy.
What are the advantages of Precision attachment partial dentures?
- Longevity of supporting teeth.
- Very comfortable.
- Aesthetically appealing.
- Periodontal health is easy to maintain.
- Supporting teeth can either be natural tooth or Implants.
- Can be relined and can be adopted to compensate changes in the mouth.
What is the mechanism of Precision attachment partial dentures?
The precision denture is surveyed in two directions during the fabrication. Therefore, the path of insertion of this denture is different from intraoral muscles pulling action as well as gravity and this, in turn, helps to prevent dislodgement of dentures. But, the denture still moves in the vertical direction and it helps to release the forces on the supporting teeth which lodge female unit.
This movement in the vertical directions stimulates supporting teeth as well as edentulous (area of the arch without teeth) area. This stimulation will keep the supporting teeth and edentulous area healthy. This constant stimulation will also stop the bone resorption in the edentulous area.
Will the male and female wear over a period of time?
Alterations that can be carried out to the denture that is worn away due to age and wear
- Remodelling of the tissues by relining the dentures.
- Occlusal wear after years of continuous function can be repaired by adding new biting surface with acrylic or composite.
- Aesthetically non appealing teeth can be replaced with new teeth.
Can Implants be used to support this denture?
Why is Implant supported precision denture superior to implant supported full denture?
- Implant supported full denture covers the whole palate whereas precision denture covers only a small area of the palate in the back and the anterior area will have a fixed bridge work.
- Implant supported precision denture does not show any anterior and posterior movement that an implant supported denture has and therefore can bite into hard food without any movement.
- Implant supported precision denture remains locked in place and does not exert undue lateral forces in implants which are highly destructive to implants as well as natural teeth.
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