IMPACTIONW – winter WAR linesH – height of mandible outline – easy for extractionA – angulation of tooth – mesio angular – easiest(most common) - disto – difficult ( least common)R – root type – convergent root – easyF – follicle – large follicle – easiestMesio - angular, converging roots, large follicle “EASY”Disto - angular, divergent roots, small follicle, “DIFFICULT”Horizontal – requires sectioning of tooth**********QN Palatal root of upper 6 is the most pushed in max. sinus.QN Factors that make surgery more difficult:- Distoangular, thin follicle, narrow PL, & divergentcurved.OCCLUSAL XRAY ➝ BEST FOR IMPACTED LOWER CANINE

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