Anodontia Flashcards

1
Q

Frecventa

A
  • 2-10%
  • DP>DT: 16/1
  • F>B: 2/1
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2
Q

Ordine afectare

A
  • M3>ILs>PM2i>ICi dese
  • ILi>PM2s>PM1i>M1>M2>ICs f rare
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3
Q

Teoriile etiologice pt Anodontie

A
  • Teoria proterogenetica
  • Teoriile ontogenetice
  • Teoria ereditara
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4
Q

Mecanisme prin care actioneaza factorii potentiali, in teoriile ontogenetice

A
  1. Insuficienta potential formativ al teritoriilor odontogene
  2. Insuficienta potential evolutiv al componentelor odontogene (scade O2;scad acizii nucleici)
  3. Distrugere LD si produsi ai ei
  4. Distrugere germeni dentari formati si partial mineralizati
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5
Q

Boli infecto-contagioase in timpul sarcinii ce pot genera anodontii

A
  • scarlatina
  • parotidita urliana
  • rubeola
  • viroze
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6
Q

Traumatism intrauterin ce poate duce la anodontie

A

Hipertonie uterina

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7
Q

Boli sistemice ce pot duce la anodontie

A
  • Displazie ECTOdermala
  • Displazie ecto-MEZOdermala
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8
Q

Gene ale caror mutatii duc la anodontie

A
  • MSX1/MSX2
  • PAX9
    *
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9
Q

Modul de transmitere ereditar al anodontiei

A
  • AD neregulat- pt ILS
  • AR
  • AD cu expresie variabila si penetranta incompleta (inca se cerceteaza)
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10
Q

Cum altereaza fizionomia anodontia de ILS?

A

estetic

fizionomic:

  • micsorare etaj inf
  • inversare treapta labiala
  • proeminenta menton
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11
Q

Pana la ce varsta poate persista M2t in anodontia de PM2?

A

pana la 45-50 ani

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12
Q

Anodontia de Canin

A
  • f rar
  • max>mand
  • control genetic strict (MSX1/2, PAX9)
  • bilateral mai frecvent
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13
Q

Semne ale afectarii ectodermale, la anodontia totala/subtotala:

A
  • piele uscata/fragila
  • hiperkeratoza
  • escoriatii furfuracee
  • hipotricolza cu par friabil
  • absenta glandelor sudoripare
  • modificari mb sup/inf- hipodactilie, sindactilie
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14
Q

Care este cea mai utila TeleRx la anodontii?

A

cea frontala

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15
Q

Cum are loc extractia dirijata a dt, la maxilarul superior, pt inchiderea unei brese frontale reduse?(anodontie de ILS)

A
  • extractie ILSt
  • extractie CSt

Astfel–Cp sa evolueze langa ICP

=cea mai fiziologica modalitate de aliniere

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16
Q

De ce se realizeaza mai greu deplasarile corporeale ale dd, cu aparate ortodontice?

A
  • lipsa suport osos
  • fibre parodontale transseptale
17
Q

Dupa ce varsta e oportuna protezarea definitiva?

A

dupa 16-18 ani

18
Q

Obiective in anodontiile totale si subtotale

A
  • stimulare dezv. oase max/asigurare raport normal intre ele
  • dirijare eruptie dentara si distribuire optima a dd pe arcada
  • asigurare paralelism dd existenti
  • obtinerea unei DV etak inf/profil care sa imbunatateasca fizionomia
  • asigurare cadru necesar desfasurare normala dunctii aparat DM (alimentare optima copil si crestere eficienta masticatorie)