22 Austin RetractorPlace down on bone, retracts cheek and protects
23 Bone ThicknessThe thinnest bone is on the lingual of the third molar regionMost common place to find bone spiculesIf bone spicule is attached to bone, reflect flapIf bone spicule is separated, pull it out with tweezers, adson forceps
24 Forceps Designed to attached to the anatomical crown of teeth 150 max. universal151 mand. universal150S/151S- pedo max. and mand.
25 Forceps Maxillary forceps have a gradual S-shaped curve Mandibular forceps have 90 degree bend
30 Broken CrownsDue to IRM, Deep decay, Temp. crowns, RCT “brittle teeth”88R, 88L- maxillary 1st and 2nd molarsNeed furcation to engage forceps1 prong between buccal roots2 prongs cradle the palatal rootExpands the buccal plate, can break roots and crush tissue