30-05-2013, 01:48 PM
METHODS OF GAINING SPACE
GAINING.ppt (Size: 1.85 MB / Downloads: 29)
METHODS OF GAINING SPACE:
PROXIMAL STIPPING
EXPANSION
EXTRACTION
DISTALISATION
UPRIGHTING OF MOLARS
DEROTATION OF POSTERIOR TEETH
PROCLINATION OF ANTERIORS
CONTRA-INDICATION:
YOUNG PATIENTS AS THEY POSSES LARGE PULP CHAMBER.
PATINTS WHO ARE SUSCEPTIBLE TO CARIES OR THOSE WHO HAVE HIGH CARIES INDEX.
ADVANTAGES:
1.POSSIBLE TO AVOID EXTRACTION IN BORDERLINE CASES.
2.A MORE FAVOURABLE OVERJET AND OVERBITE RELATION CAN BE ESTABLISHED IN EITHER OF THE ARCHES.
3.MORE STABLE RESULTS CAN BE ESTABLISHED BY BRODENING THE CONTACT AREA.
DISADVANTGE:
CREATES ROUGHNED PROXIMAL SURFACE THAT ATTRACTS PLAQUE.
SENSITIVITY.
IMPROPER PROCEDURE CAN RESULT IN ALTERATION OF MORPHOLOGYOF THE TEETH.
FOOD IMPACTION.