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Molares Inferiores 
Anatomia Dental 
Prof. Caíque Araujo Siqueira 
anatomiadental.com.br
Molares Inferiores - Notação 
• 36 e 46; 
• 37 e 47; 
• 38 e 48.
Molares Inferiores 
• Coroa cuboidal; 
• Maior comprimento mésio-distal de sua 
coroa;
Molares Inferiores 
• Penta ou tetracuspidado; 
• 1º MI – normalmente penta, mas pode ser 
tetra; 
• 2º MI – normalmente t...
Molares Inferiores 
• Volume: 1º MI > 2º MI
1 Face Vestibular 
Caíque Araujo Siqueira
Formato - Trapezoidal
Bossa - Vestibular
Face Convexa nos Dois Sentidos
Alargada no sentido MD
Bastante Inclinada para Lingual
Sulcos 1º MI 
Sulco mésio-vestibular e sulco disto-vestibular. 
CDV CVMED CMV
Sulcos 1º MI 
CMV 
CDV 
Sulco vestibular.
Bordas 1º MI 
Borda vestíbulo-oclusal: 03 segmentos em formato de “V” 
correspondentes as cúspides CDV, CVMED e CMV. 
(CVM...
Bordas 2º MI 
Borda vestíbulo-oclusal: 02 segmentos em formato de “V” 
correspondentes as cúspides CDV e CMV; 
Borda vestí...
2 Face Lingual 
Caíque Araujo Siqueira
Formato Trapezoidal
Bossa no 1/3 médio
Convexa nos dois sentidos
Alargada no sentido MD
Sulco Lingual 
CML CDL CML CDL
Bordas 
Borda línguo-oclusal: 02 segmentos em formato de “V” 
correspondentes as cúspides CDL e CML. (CML > CDL) 
Borda lí...
3 Faces Proximais 
(Mesial e Distal) 
Caíque Araujo Siqueira
Formato Trapezoidal
Bossa no 1/3 oclusal
Distal menor, mais arredondada e mais 
convergente para o colo
Bordas 
Borda vestibular: convexa para vestibular; 
Borda lingual: convexa para lingual; 
Borda cervical: côncavo para rai...
4.1 Face Oclusal 
1º MOLAR INFERIOR - PENTACUSPIDADO 
Caíque Araujo Siqueira
Formato trapezoidal
Cúspides e seus volumes 
CMV 
CDL CML 
CDV 
CVmed 
CMV 
CVmed 
CDV 
1 
2 
3 
4 
5 
CDV 
CML 
CDL
Crista marginais mesial e distal - 
triangulares
Sulcos Secundários – Não dividem 
cúspides
Fossetas 
Pode ser considerado com 3 ou 5 fossetas; 
Mesial, central e distal; 
Mésio-central e disto-central.
Sulcos Principais 
Sulco mésio-distal: sai da fosseta mesial, segue até a fosseta 
distal, separando as cúspides vestibula...
Sulco MD em forma de “W”
4.2 Face Oclusal 
2º MOLAR INFERIOR - TETRACUSPIDADO 
Caíque Araujo Siqueira
Formato trapezoidal, podendo 
chegar a retangular
Cúspides e seus volumes 
CMV 
CML 
CDV 
CDL
Cristas marginais mesial e distal - 
triangulares
Sulcos secundários – contido dentro 
das cúspides
Fossetas – mesial, central e distal
Sulcos Principais 
Sulco mésio-distal: sai da fosseta mesial, segue até a fosseta 
distal, separando as cúspides vestibula...
• AUGUSTO LAMERI SIQUEIRA 
• CAÍQUE ARAUJO SIQUEIRA 
Obrigado! 
AULA MOLARES 
INFERIORES 
anatomiadental.com.br
Molares Inferiores - Caique A. SIqueira - Vídeo sobre Anatomia no Youtube: https://www.youtube.com/watch?v=6HBqgB7osHw&t=4s
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Molares Inferiores - Caique A. SIqueira - Vídeo sobre Anatomia no Youtube: https://www.youtube.com/watch?v=6HBqgB7osHw&t=4s

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Molares Inferiores - Caique A. SIqueira - Vídeo sobre Anatomia no Youtube: https://www.youtube.com/watch?v=6HBqgB7osHw&t=4s

  1. 1. Molares Inferiores Anatomia Dental Prof. Caíque Araujo Siqueira anatomiadental.com.br
  2. 2. Molares Inferiores - Notação • 36 e 46; • 37 e 47; • 38 e 48.
  3. 3. Molares Inferiores • Coroa cuboidal; • Maior comprimento mésio-distal de sua coroa;
  4. 4. Molares Inferiores • Penta ou tetracuspidado; • 1º MI – normalmente penta, mas pode ser tetra; • 2º MI – normalmente tetra, e as vezes penta.
  5. 5. Molares Inferiores • Volume: 1º MI > 2º MI
  6. 6. 1 Face Vestibular Caíque Araujo Siqueira
  7. 7. Formato - Trapezoidal
  8. 8. Bossa - Vestibular
  9. 9. Face Convexa nos Dois Sentidos
  10. 10. Alargada no sentido MD
  11. 11. Bastante Inclinada para Lingual
  12. 12. Sulcos 1º MI Sulco mésio-vestibular e sulco disto-vestibular. CDV CVMED CMV
  13. 13. Sulcos 1º MI CMV CDV Sulco vestibular.
  14. 14. Bordas 1º MI Borda vestíbulo-oclusal: 03 segmentos em formato de “V” correspondentes as cúspides CDV, CVMED e CMV. (CVMED>CMV>CDV); Borda vestíbulo-cervical: Dois segmentos côncavos voltados para raiz, separados por uma ponta de esmalte. CDV CVMED CMV
  15. 15. Bordas 2º MI Borda vestíbulo-oclusal: 02 segmentos em formato de “V” correspondentes as cúspides CDV e CMV; Borda vestíbulo-cervical: Dois segmentos côncavos voltados para raiz, separados por uma ponta de esmalte. CMV CDV
  16. 16. 2 Face Lingual Caíque Araujo Siqueira
  17. 17. Formato Trapezoidal
  18. 18. Bossa no 1/3 médio
  19. 19. Convexa nos dois sentidos
  20. 20. Alargada no sentido MD
  21. 21. Sulco Lingual CML CDL CML CDL
  22. 22. Bordas Borda línguo-oclusal: 02 segmentos em formato de “V” correspondentes as cúspides CDL e CML. (CML > CDL) Borda línguo-cervical: Dois segmentos côncavos voltados para raiz, separados por uma ponta de esmalte.
  23. 23. 3 Faces Proximais (Mesial e Distal) Caíque Araujo Siqueira
  24. 24. Formato Trapezoidal
  25. 25. Bossa no 1/3 oclusal
  26. 26. Distal menor, mais arredondada e mais convergente para o colo
  27. 27. Bordas Borda vestibular: convexa para vestibular; Borda lingual: convexa para lingual; Borda cervical: côncavo para raiz; Borda Oclusal: Em forma de “V”, com o ápice truncado pela crista marginal.
  28. 28. 4.1 Face Oclusal 1º MOLAR INFERIOR - PENTACUSPIDADO Caíque Araujo Siqueira
  29. 29. Formato trapezoidal
  30. 30. Cúspides e seus volumes CMV CDL CML CDV CVmed CMV CVmed CDV 1 2 3 4 5 CDV CML CDL
  31. 31. Crista marginais mesial e distal - triangulares
  32. 32. Sulcos Secundários – Não dividem cúspides
  33. 33. Fossetas Pode ser considerado com 3 ou 5 fossetas; Mesial, central e distal; Mésio-central e disto-central.
  34. 34. Sulcos Principais Sulco mésio-distal: sai da fosseta mesial, segue até a fosseta distal, separando as cúspides vestibulares e linguais; Sulco ocluso-vestibular: sai da fosseta central, segue para vestibular, separando cúspides MV e Vmed; Sulco disto-vestibular: sai da fosseta distal, segue obliquamente para vestibular separando as cúspides DV e Vmed; Sulco ocluso-lingual: sai perpendicular ao sulco MD, segue para lingual separando as cúspides ML e DL.
  35. 35. Sulco MD em forma de “W”
  36. 36. 4.2 Face Oclusal 2º MOLAR INFERIOR - TETRACUSPIDADO Caíque Araujo Siqueira
  37. 37. Formato trapezoidal, podendo chegar a retangular
  38. 38. Cúspides e seus volumes CMV CML CDV CDL
  39. 39. Cristas marginais mesial e distal - triangulares
  40. 40. Sulcos secundários – contido dentro das cúspides
  41. 41. Fossetas – mesial, central e distal
  42. 42. Sulcos Principais Sulco mésio-distal: sai da fosseta mesial, segue até a fosseta distal, separando as cúspides vestibulares e linguais; Sulco vestíbulo-lingual: Atravessa a face no sentido vestíbulo-lingual, passando pela fosseta central e separa as cúspides mesiais das distais.
  43. 43. • AUGUSTO LAMERI SIQUEIRA • CAÍQUE ARAUJO SIQUEIRA Obrigado! AULA MOLARES INFERIORES anatomiadental.com.br

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