CH491642A - Dental device for the penetration and enlargement of root canals - Google Patents
Dental device for the penetration and enlargement of root canalsInfo
- Publication number
- CH491642A CH491642A CH1950768A CH1950768A CH491642A CH 491642 A CH491642 A CH 491642A CH 1950768 A CH1950768 A CH 1950768A CH 1950768 A CH1950768 A CH 1950768A CH 491642 A CH491642 A CH 491642A
- Authority
- CH
- Switzerland
- Prior art keywords
- enlargement
- penetration
- dental device
- root canals
- canals
- Prior art date
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C1/00—Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design
- A61C1/02—Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design characterised by the drive of the dental tools
- A61C1/04—Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design characterised by the drive of the dental tools with treadle or manual drive
Landscapes
- Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Dentistry (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
- Gripping On Spindles (AREA)
- Gear Transmission (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT380268 | 1968-01-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH491642A true CH491642A (en) | 1970-06-15 |
Family
ID=11111746
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH1950768A CH491642A (en) | 1968-01-19 | 1968-12-24 | Dental device for the penetration and enlargement of root canals |
Country Status (4)
Country | Link |
---|---|
US (1) | US3579833A (en) |
CH (1) | CH491642A (en) |
DE (1) | DE1900416B2 (en) |
FR (1) | FR1600729A (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5341918B2 (en) * | 1974-01-28 | 1978-11-07 | ||
US6203322B1 (en) | 1999-04-15 | 2001-03-20 | David Kraenzle | Dental prophylaxis angle |
US7686614B2 (en) * | 2006-05-26 | 2010-03-30 | Dentsply International Inc. | Dental handpiece drive train with non-intersecting axes |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE450868C (en) * | 1926-09-01 | 1927-10-15 | Hermann Heilborn | Filing device suitable for mechanical drive for tooth root canals |
US2531680A (en) * | 1947-07-09 | 1950-11-28 | Vastra Sveriges Dentaldepot | Vibrator for the fillings of tooth cavities |
US3368279A (en) * | 1965-11-26 | 1968-02-13 | Weissman Bernard | Dental hand-piece and tool |
-
1968
- 1968-12-23 FR FR1600729D patent/FR1600729A/fr not_active Expired
- 1968-12-24 CH CH1950768A patent/CH491642A/en not_active IP Right Cessation
-
1969
- 1969-01-02 US US788389A patent/US3579833A/en not_active Expired - Lifetime
- 1969-01-04 DE DE1900416A patent/DE1900416B2/en not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
US3579833A (en) | 1971-05-25 |
DE1900416A1 (en) | 1969-07-31 |
FR1600729A (en) | 1970-07-27 |
DE1900416B2 (en) | 1980-08-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |