Treatment: Remove and remove rot, unblock root canals, measure root canal length, sodium hypochlorite irrigation, root canal filling, crown restoration.

Treatment: 36 distal edge ridge trimming, polishing, acid etching, rinsing, moisture insulation and drying, resin filling, jaw adjustment and polishing.

Treatment: Palatal side de-erosion, membrane separation of adjacent teeth, conventional acid etching, bonding, filling with 3M Z350 resin, polishing.

Treatment: The gums at the top of the alveolar ridge were incised mesially and distally, and the flap was turned over to expose the supernumerary teeth, remove part of the bone resistance, and push out the affected teeth.