410 Theories and techniques of oral implantology

Fig. 10-89. Existing bridges revealed lack of occlusion as a result of extreme mobility of existing abutment teeth.

Fig. 10-91. Gold castings were fabricated and fitted.

Fig. 10-90. Three upper teeth were saved.

Fig. 10-92. The various sized burs were used to perforate the osseous structures prior to the implant insertions.

Fig. 10-94. The implants in place.

Fig. 10-93. The earliest type of tantalum vent-plants (nonself-tapping) were then screwed into the holes made by the burs and taps.