FURCATIONS, MOBILITY, OCCLUSION

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FURCATIONS

FURCATION GRADES

GRADE 1

CONCAVITY FELT WITH INSTRUMENT

ROBE PENETRATES NO MORE THAN 1 MM

GRADE 2

INSTRUMENT/ PROBE PENETRATES INTO FURCATION

DOES NOT PASS THROUGH

GRADE 3

PROBE WILL PASS COMPLETELY THROUGH FURCATION

COVERED BY SOFT TISSUE

GRADE 4

SAME AS GRADE 3

NO GINIGVA PRESENT

DENTRIX = F1, F2, F3, F4

MOBILITY

HORIZONTAL

FACIAL TO LINGUAL DIRECTION

0= NORMAL

1= 1MM B-L

2= 2MM B-L

3= 2MM B-L

VERTICAL

TO DEPRESS

PPRESSURE FROM INCISAL OR OCCLUSAL SURFACE

OCCLUSION

PARAFUNCTIONAL HABITS= MOVEMENTS OF MANDIBLE NOT WITHIN NORMAL RANGEOF FUNCTION

BRUXISIM= GRINDING

ABFRACTION= LOSS OF TOOTH STRUCTURE DUE TO TENSILE AND COMPRESSIVE FORCES

TOOTH RELATION = TORSOVERSION, LINGUOVERSION, BUCCOVERSION

CLASS 1

CLASS 2

CLASS 3

CROSSBITE

OVERBITE

OVERJET