How to technique for esthetic bonding with a 171 bur.
Note the groove and matrix piece. Some aspects of cosmetic dentistry require very small, sharp burs. A 33&1/2 inverted cone also gives a nice edge if it is new and sharp.

How to make 700 xl steel burs last longer. Break the tip off with the back of a college pliers. This is worth considering when having to remove a large span fixed porcelain metal bridge. Cutting through the metal dulls a steel bur very quickly. This saves some time of bur replacement.

Sectioning the metal framework of a five unit fixed porcelain-metal bridge. 1) 7/8″ “Veri-thin discs” from Keystone used to section framework which exhibited rocking upon seating. When sectioning, close one eye to clearly see where you are cutting (also wear goggles) and have the disc make exactly a 90 degree contact with the metal to prevent the disc from breaking. 2) The framework is now in two sections and each individual section no longer rocks. 3) and 4) Retention grooves are cut into the proximal sections of the framework to add mechanical retention to Duralay used during the solder transfer step.

Intramucosal Insert Dental Implant Armamentarium – dental drills. 1) and 2) Top and Side views. From left to right: latch-type initial tissue preparation bur, latch-type tissue undercut bur, two intramucosal insert implants, long-shank initial denture preparation bur, and long-shank denture excess acrylic removal bur. A purple vibrating line pencil is on top. The technique is described in the Dental Textbook section located above. Photo #2 of 2.