Ocluzie deschisa Flashcards

1
Q

Denumire latina OD

A

Mordex apertus

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2
Q

Afectare pe sexe ODA

A
  • M>F
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3
Q

Dupa severitate-Boboc

A
  • OD totala- factori generali-dismetabolici/genetici
  • OD partiala: factori locali- mai ales interpozitii
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4
Q

In functie de zona

A
  • OD anterioara(frontala)- cea mai frecventa : si ea poate fi dentara sau scheletica
  • OD posterioara (rar): interpozitie limba/obraz/tulburari EDlaterali(anchiloza)
  • OD totala
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5
Q

Tipuri de OD anterioara dupa Richardson

A
  • ODA de tranzitie
  • ODA prin interpozitie digitala (normal pana la 5-6 ani)
  • ODA cauzata de factori patologici locali
  • ODA cauzata de patologie scheletala
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6
Q

Dupa Moyer

A
  • OD simpla (limitata la dinti+proces alveolar)
  • OD complexa (cauzata de displazie verticala I)
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7
Q

Caracteristici OD scheletica-adevarata

A
  • Tip hiperdivergent
  • ram asc scurt
  • unghi mandibular crescut
  • rotatie post a mandibulei
  • marire etaj inf
  • divergenta planuri de ocluzie
  • incompetenta labiala
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8
Q

Caracteristici OD dentara-falsa

A
  • la nivel incisivi si ocazional canini
  • TIpar normal (deci nu hiperdivergent)
  • prezenta mecanisme etipatogenice locale (deglutitie infantila, obiceiuri vicioase)
  • modificari dentare: infrapozitie si vest-inclinare dd ant
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9
Q

In ce consta factorul etiologic dismetabolic?

A
  • Perturbare metabolism Ca/P in anul 1-plasticitate osoasa
  • rahitism (maleabilizare os)
  • mandibula cea mai afectata-muschi coboratori mai puternici decat ridicatori
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10
Q

In ce consta factorul genetic?

A
  • OD asociata cu cresterea faciala mostenita
  • tipar crester vertical>tipa orizontal
  • Tiparul hiperdivergent permite eruptia verticala a molarilor care duce la un model scheletal vertical excesiv specific OD
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11
Q

Care sunt tulburarile functionale implicate in etiologia OD?

A
  • deglutitie infantila- viscerala
  • obstructie cai resp superioara: superioara/inferioara
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12
Q

De ce gena e legata cvasiconstant OD

A

MMP9- codifica sinteza unor metaloproteinaze matriceale

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13
Q

Cat e in mod normal raportul ram ascendent/orizontal?

A

5/7

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14
Q

Cum e raportul dintre inaltimea post si ant faciala la ODscheletica?

A

mai mic 0,65

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15
Q
A
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