Ectopie dentara Flashcards

1
Q

Ordine afectare dinti

A

Cs>Ci>PM2i>PMs

dar si la nivel incisivi/molari (mai ales3)

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2
Q

Frecventa ectopie C

A
  • de 2x mai frecventa decat incluzia (cea mai frecv patologie a caninului)
  • F>B
  • Arcada sup>inf
  • incidenta maxima- 12-14 ani
  • ectopia vest= 2/3 din total ectopii
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3
Q

CAUZE Ectopie

A
  1. Obstacole in calea eruptiei
  2. Reducerea/absenta spatiului necesar eruptiei si alinierii dentare-cea mai frecventa cauza
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4
Q

Care sunt obstacolele?

A
  • persistenta DT fara rizaliza/rizaliza atipica
  • capac osos dens/fm dura-postextractional
  • formatiune dentara supranumerara, erupte/incluse
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5
Q

Cauze reducere spatiu

A
  • macrodontii relative/absolute
  • dezvoltare insuficienta in transversal(endoalveolii) sau sagital (retrodentii, retrognatii)
  • MPG
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6
Q

MPG bilaterala cum se apreciaza?

A

anamneza

masuratori de lungime ala arcadei

date telerx (pozitie M1pi fata de axa y-Sellae-Gn)

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7
Q

Cele 4 etape ale extractiei dirijate

A
  1. 7 ani- extractie ILt–spatiu pt alinierea ICp
  2. 8 ani-extractie Ct–aliiere ILp
  3. 9 ani- extractie M1t-grabeste evolutia PM1
  4. 10-11 ani-extractie PM1-posibilitate Cp sa erupa in spatiul rezultat
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8
Q

Extractia dirijata dupa HOTZ

A
  • Etapa 1: extractia celor 3 Ct-8 ani
  • Etapa 2: Extractia M1t- 9 ani
  • Etapa 3: Extractia PM1 in momentul eruptiei Cp pt a le asigura sp necesar alinierii - 10-11 ani
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9
Q

Cum se face stimularea dezvoltarii sagitale?

A

prin avansarea grupului incisiv

prin distalizare

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10
Q

Caracteristici tratament ectopie vestibulara

A

raspunde rapid la taratamen dar da mai multe recidive

e nevoie de contentie artificiala(variaza in timp pana la caracter permanent)

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11
Q

Caracteristici ectopie orala

A

aliniere cu greu dar recidiva rara

odata realizat saltul articular- contentie naturala(rapoarte interarcadice stabile si normale)

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