BRPI0700372B8 - aperfeiçoamentos introduzidos em broca para preparo cervical dos canais radiculares - Google Patents

aperfeiçoamentos introduzidos em broca para preparo cervical dos canais radiculares

Info

Publication number
BRPI0700372B8
BRPI0700372B8 BRPI0700372A BRPI0700372A BRPI0700372B8 BR PI0700372 B8 BRPI0700372 B8 BR PI0700372B8 BR PI0700372 A BRPI0700372 A BR PI0700372A BR PI0700372 A BRPI0700372 A BR PI0700372A BR PI0700372 B8 BRPI0700372 B8 BR PI0700372B8
Authority
BR
Brazil
Prior art keywords
cutting
drill
sector
rotation
cut
Prior art date
Application number
BRPI0700372A
Other languages
English (en)
Inventor
Capelli Alexandre
Original Assignee
Capelli Alexandre
F F D M Pneumat
G N Injecta Ind Com De Mat Med Cirurg Odont E Descart Ltda
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Capelli Alexandre, F F D M Pneumat, G N Injecta Ind Com De Mat Med Cirurg Odont E Descart Ltda filed Critical Capelli Alexandre
Priority to BRPI0700372A priority Critical patent/BRPI0700372B8/pt
Publication of BRPI0700372A publication Critical patent/BRPI0700372A/pt
Publication of BRPI0700372B1 publication Critical patent/BRPI0700372B1/pt
Publication of BRPI0700372B8 publication Critical patent/BRPI0700372B8/pt

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61CDENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C3/00Dental tools or instruments
    • A61C3/02Tooth drilling or cutting instruments; Instruments acting like a sandblast machine

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)

Abstract

aperfeiçoamentos introduzidos em broca para preparo cervical dos canais radiculares, mais precisamente trata-se de aperfeiçoamentos em broca pertencente ao campo da endodontia ou prótese, a qual é dimensionada, tratada e conformada de maneira a apresentar um perfil cortante adequado para trabalhar desgastando lateralmente a dentina dos canais radiculares, reduzindo acidentes durante o ato operatório; a broca (1) apresenta-se conformada por setor cônico (s) e setor cortante (p) com diâmetro inicial menor (a) e diâmetro final maior (b), além de um comprimento de corte (c), sendo que o setor (p) é conformado, preferencialmente, com 04 (quatro) arestas de corte (2) e ponta inativa (não cortante) (3) para tratamento de canais radiculares e opcionalmente com ponta ativa (cortante) (4) para retratamento ou remoção de materiais obturadores de tratamentos endodônticos anteriores; completando a conformação da broca, o setor cortante (p) se desenvolve em setor cônico (s) que se interliga à base cilíndrica (d) de montagem no micro motor; as arestas de corte (2) são posicionadas preferencialmente a 90º do centro de giro, alinhadas axialmente em relação à conicidade e ao eixo de giro (e) do instrumento (1); as arestas de corte (2) possuem dois sentidos de corte, sendo eles: a) sentido no corte lateral, ou seja no sentido do raio do instrumento, tanto no avanço como no retorno e b) corte no sentido longitudinal ao eixo de giro (e), promovido pelo diâmetro maior da conicidade da área de corte que formam cantos vivos(q).
BRPI0700372A 2007-01-19 2007-01-19 aperfeiçoamentos introduzidos em broca para preparo cervical dos canais radiculares BRPI0700372B8 (pt)

Priority Applications (1)

Application Number Priority Date Filing Date Title
BRPI0700372A BRPI0700372B8 (pt) 2007-01-19 2007-01-19 aperfeiçoamentos introduzidos em broca para preparo cervical dos canais radiculares

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BRPI0700372A BRPI0700372B8 (pt) 2007-01-19 2007-01-19 aperfeiçoamentos introduzidos em broca para preparo cervical dos canais radiculares

Publications (3)

Publication Number Publication Date
BRPI0700372A BRPI0700372A (pt) 2008-09-02
BRPI0700372B1 BRPI0700372B1 (pt) 2018-11-13
BRPI0700372B8 true BRPI0700372B8 (pt) 2021-06-22

Family

ID=39730929

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0700372A BRPI0700372B8 (pt) 2007-01-19 2007-01-19 aperfeiçoamentos introduzidos em broca para preparo cervical dos canais radiculares

Country Status (1)

Country Link
BR (1) BRPI0700372B8 (pt)

Also Published As

Publication number Publication date
BRPI0700372B1 (pt) 2018-11-13
BRPI0700372A (pt) 2008-09-02

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Legal Events

Date Code Title Description
B03A Publication of a patent application or of a certificate of addition of invention [chapter 3.1 patent gazette]
B25A Requested transfer of rights approved

Owner name: ALEXANDRE CAPELLI (BR/SP)

B15K Others concerning applications: alteration of classification

Ipc: A61C 3/02 (2006.01)

B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted

Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 13/11/2018, OBSERVADAS AS CONDICOES LEGAIS.

B16C Correction of notification of the grant

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 19/01/2007, OBSERVADAS AS CONDICOES LEGAIS. PATENTE CONCEDIDA CONFORME ADI 5.529/DF, QUE DETERMINA A ALTERACAO DO PRAZO DE CONCESSAO