Dental drill extender

The ornamental design for a dental drill extender, substantially as shown and described.

FIG. 1 is a top perspective view of a dental drill extender in accordance with the present design.

FIG. 2 is a bottom perspective view thereof.

FIG. 3 is a side view thereof.

FIG. 4 is a side view thereof.

FIG. 5 is a top view thereof.

FIG. 6 is a bottom view thereof.

FIG. 7 is a front view thereof.

FIG. 8 is a rear view thereof; and,

FIG. 9 is a side view shown the dental drill extender connected to another dental drill extender and a dental drill bit.

The broken lines shown in FIG. 9 represent portions of the dental drill extender that form no part of the claimed design.

Patent

Priority

Assignee

Title

Patent	Priority	Assignee	Title
4205444,	Jul 27 1978	IPCO Hospital Supply Corporation	Dental tool shank
4820156,	Dec 29 1986	Ross Systems Corporation	Trephine dental drill
5098293,	Apr 24 1990	Nobelpharma AB	Device for implant work
5261818,	Jul 13 1992		Multi-fluted dental irrigation drill
5569035,	Jul 01 1994	Dentsply Research & Development Corp	Enhanced cutting drill tip for endosseous implants
5816807,	Feb 02 1995	Kabushiki Kaisha Matsutani Seisakusho	Rotary drilling instrument
6106292,	Aug 02 1999	EVOLLUTION IP HOLDINGS, INC	Dental irrigation drill with internal anti-backwash baffle
7887326,	Dec 05 2006	GEBR BRASSELER GMBH & CO KG	Instrument shaft for a rotating instrument
20090004625,
20130224683,
D351908,	Oct 28 1992		Multi-fluted dental irrigation drill
D355487,	Oct 28 1992	Aktiebolaget Astra	Drill extension for use in oral implantology

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