4 Wyman Block Landmarks Maxillary tuberosity is joined by the Pterygo-mandibular raphe to theMandibular retromolar padInsertion point is 1/2 way between the upper and lower arches, just lateral to the rapheSyringe rests on contra-lateral maxillary first bicuspid
5 Lingual ForamenLies below the occlusal plane, but the traditional injection places the anaesthetic above the planeTherefore the injection may fail up to 15 – 25% of the timeWyman block places anaesthetic below the occlusal plane for 95 – 98% success
6 Internal oblique ridge Anterior-lingual border of the ramusSignificant obstruction to needle placementMust be bypassed for effective anaesthesia
10 Wyman Block Procedure Locate point of insertion Position syringe over opposite side and agitate cheek vigorously for distractionPlace syringe all at once and touch boneSLOWLY inject up to one cartridge of anaesthetic
15 Wyman Block Notes: Patient may remain reclined Mouth does not have to be propped open during onsetFor buccal anaesthesia add a drop to the disto-buccal papilla (not long buccal)“Walking Drops” instead of long buccal
16 The Wyman Block is just one of many subjects covered in Roel Wyman’s exciting hands-on seminars. For information about seminars, locations and dates click here To register for an upcoming course click here To Roel for further information click here
Your consent to our cookies if you continue to use this website.