08 August 2012

SPACE MAINTAINERS | pedodontic dentistry



A   fixed or removable orthodontic appliance for preserving the space created by the premature loss of one or more teeth. It can be unilateral or bilateral.

Space maintainers are appliance made of metal or plastic that is custom fit to your child’s mouth.

 Primary teeth can be lost early for several reasons.

  1. Accident or knocked out in a fall
  2. Extraction because tooth cavity
  3. missing at birth
  4. some disease or condition can lead to every tooth loss.

Each one also acts as a guide for the permanent tooth that replaces it if deciduous tooth is lost early; the permanent tooth loses its guide. It can drift or erupt incorrectly into the mouth adjacent teeth can move into space. This means the permanent tooth can’t come in so space maintainers may be used.

Classification of space maintainers

According to Hitchcock (1973)
  1. Removable or fixed or semi fixed.
  2. With bands or without bands.
  3. Functional or Non functional
  4. Active or passive
  5. Certain combinations of the above
According Raymond C. Thurow (1978)
    1.Removable
    2.Complete arch
        -Lingual arch
        -Extra-oral anchorage
   3.Individual tooth

According to Hinrichsen (1962)
1.Fixed space maintainers
  Class 1
 a) Non functional type
     1) Bar type
     2) Loop type
 b) Functional types
     1) Pontic type
     2) Lingual arch type
 Class 2 Cantilever type (distal shoe, band & loop)

2.Removable space maintainers
Acrylic partial dentures

IMAGES:




0 Responses to “SPACE MAINTAINERS | pedodontic dentistry”

Post a Comment