Ocluzologie Flashcards

1
Q

Care sunt fortele?

A
  1. Musc linguo-oro-faciala (majoritatea)
  2. Forte din obiceiuri vicioase
  3. Forte de pe suprafetele meziale si distale ale dintilor
  4. Forte din contact ocluzal
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2
Q

Cum sun dispusi dintii din norma laterala?

A
  1. Maxilar
  • DA=mezial
  • DP=distal
  1. Mandibula
    * DA/DP=mezial
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3
Q

Cum sunt dispusi dintii din norma Frontala?

A
  • Maxilari= usor inclinati vest
  • Mandibulari= dintii post- usoara inclinare linguala
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4
Q

Tabla ocluzala

A

50-60% din V-O

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5
Q

Lungime arcade

A
  • Maxilar=128 mm
  • MAndibula= 126 mm
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6
Q

In cadrul stopurilor I, cuspizii PM si meziali ai molarilor ce relatie au?

A
  • fac puncte de sprijin cu creasta marginala ale omologului si cu cea distala a dintelui mezial
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7
Q

In cadrul stopului I, cine realizeaza contactul tripodic?

A
  1. Cusp distali M2
  2. Cusp (distali?) ai Molarilor de minte
  3. Cuspid centro-vest M1 inf
  • cu foseta centrala antagonista
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8
Q

Tiparul ocluzal gnatologic

A
  • IM=RC—pont centric
  • Deglutitie -RC—PRotectie Mutuala in propulsie
  • In lateralitate- Protectie canina pe partea activa
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9
Q

Schema ocluzala Freedom in Centric

A
  • Wide centric+Long Centric=Freedom in Centric
  • zona libertate cuspid de 0,5-1mm pe supraf antagonista (anterioara pozitiei de RC)
  • Contacte= cuspid-creasta marginala
  • Degluitite - in IM
  • Propulsie- GHidaj incizal
  • Lateralitate- p. Lucratoare- Ghidaj de grup
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10
Q

Criterii ocluzie functionala dupa Korber

A
  1. Timp
  2. Forta
  3. Cantitativ
  4. Continuitate suprafata ocluzala
  5. Miscare
  6. Forma
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11
Q

Ce miscari presupun art. ginglimo-artroidale?

A

rotatie+translatie

simultane ale condililor

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12
Q

Panta tuberculului articular?

A
  • inclinatir de 5-55o. medie de 33o
  • Lungime= 9mm
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13
Q

Condil mandibula

A
  • Elipsoidal
  • 8-10 mm ant-post; 8-20 mm= transversal
  • unghi prelungire axe condili= 140-160o
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14
Q

Din ce e format mecanismul buccinator?

A
  • muschi constrictori superiori-faringieni
  • buccinatori
  • orbiculari buze
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15
Q

Care sunt cele 5 ligamente ce limiteaza miscarile excentrice?

A
  • temp-mand
  • medial
  • colateral
  • sfeno-mand
  • stilo-mand
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16
Q

Miscarile dupa stimulari nervoase?

A
  • stim. corticala- miscari voluntare
  • stim. bulbo-protuberentiala- miscari reflexe ale mandibulei
  • stim. mezencefalica- miscari automatizate
17
Q

Muschii mobilizatori ai mandibulei? x7

A
  1. Temporal
  2. Maseter
  3. Pt. med
  4. Pt lat
  5. Milohioidian
  6. Geniohioidian
  7. PAD
18
Q

Grupe musculare responsabile de mentinerea posturii?

A
  • M. stilo-hioidian
  • PPD
19
Q

Componente SISTEM CRANIO-MANDIBULAR

A
  • portiune profunda maseter
  • fascicul superior pt lat
  • fascicul anterior muschi temporal

NU sunt activi in miscari dinamice excentrice!!!, ci doar la postura si inchidere gura.

20
Q

Freeway space

A

1,2-4 mm

21
Q

Triunghiul de toleranta ocluzala spirgi

A
  • Baza=2 mm (post)
  • Inaltime= 0,2-1,75 mm
22
Q

Long centric ul cat are alunecarea?

A

1,25-1,5 mm

23
Q

Miscarea Bennet

A
  • condilul pivotant face o rotatie+deplasare spre lateral\
  • =1-3 mm (medie de 0,75mm)
  • sub 1,5 mm=80%
  • peste 2mm=programabila
24
Q

Unghiul lui Bennet

A
  • unghiul pe care il face in lateralitate traiectoria de deplasare a condilului orbitant cu planul sagital
  • 7-30o
25
Q

Unghi Fischer

A
  • Diferenta de angulatie intre cele doua traiectorii (P+L) - pe aceasi placuta
  • 10o (in realitate mai mic)
26
Q

Tipuri Arcuri faciale de transfer

A
  1. Cinematice
  2. Arbitrare : cu fixare auriculara(FAG), fixare pretragiana (dentatus)
  3. Arc facial Postural