Operative Dentistry Prof Hean Sokphal

A dental clinic with a dentist examining a patient's teeth, surrounded by dental tools and books, emphasizing the study of Operative Dentistry

Operative Dentistry Quiz

Test your knowledge and understanding of Operative Dentistry with this engaging quiz designed for dental students and professionals. Dive into essential concepts, definitions, and practical applications that are crucial in the field.

Features:

  • Multiple choice questions
  • Covering a wide range of topics in Operative Dentistry
  • Improve your understanding and retention of key concepts
50 Questions12 MinutesCreated by BrushingWhale202
Definition of Operative Dentistry
ΑžŸαž·αž€αŸ’αžŸαžΆαž–αžΈαž€αžΆαžšαžšαŸ€αž”αž…αŸ† cavity
ΑžŸαž·αž€αŸ’αžŸαžΆαž–αžΈαž€αžΆαžšαž€αŸ‚αž›αž˜αŸ’αž’αž’αŸ’αž˜αŸαž‰ αžŠαŸ‚αž›αž˜αžΆαž“αž›αž€αŸ’αžαžŽαŸˆαž˜αž·αž“αž”αŸ’αžšαž€αŸ’αžšαžαžΈ
ΑžŸαž·αž€αŸ’αžŸαžΆαž–αžΈαžαŸ’αž“αžΆαŸ†αžŠαŸ‚αž›αžαŸ’αžšαžΌαžœαžŸαžΆαž„αžŸαž„αž’αŸ’αž˜αŸαž‰ αž“αž·αž„αžŸαž˜αŸ’αž—αžΆαžšαŸˆαž’αŸ’αžœαžΎαž’αŸ’αž˜αŸαž‰
ΑžŸαž·αž€αŸ’αžŸαžΆαž–αžΈαžšαž…αž“αžΆαžŸαž˜αŸ’αž–αŸαž“αŸ’αž’αž’αŸ’αž˜αŸαž‰ αž”αŸ†αž”αžΆαžαŸ‹αž•αž›αž”αŸ‰αŸ‡αž–αžΆαž›αŸ‹ αž“αž·αž„αžαŸ’αž“αžΆαŸ†αž”αŸ’αžšαžΎαž…αŸ†αž‚αŸ„αž›αžŠαŸ…
Αž‚αŸ„αž›αž”αŸ†αžŽαž„Operative Dentistry
ΑžšαžΆαž›αŸ‹αž€αžΆαžšαžŸαžΆαž„αžŸαž„αž’αŸ’αž˜αŸαž‰(filling) αž‚αž½αžšαžœαž·αž—αžΆαž‚αž›αžΎαž€αŸ†αž›αŸ† αž€αŸ†αžŽαžΆαŸ† αž”αžšαž·αžŸαŸ’αžαžΆαž“αž‡αž»αŸ†αžœαž·αž‰αž’αŸ’αž˜αŸαž‰
ΑžšαžΆαž›αŸ‹αž€αžΆαžšαžŸαžΆαž„αžŸαž„αž’αŸ’αž˜αŸαž‰(filling) αž‚αž½αžšαžœαž·αž—αžΆαž‚αž›αžΎαž‘αžΈαžαžΆαŸ†αž„αžšαŸ„αž‚αž–αž»αž€αž’αŸ’αž˜αŸαž‰
ΑžšαžΆαž›αŸ‹αž€αžΆαžšαžŸαžΆαž„αžŸαž„αž’αŸ’αž˜αŸαž‰(filling) αž‚αž½αžšαžœαž·αž—αžΆαž‚αž›αžΎαž‘αžΈαžαžΆαŸ†αž„αžšαŸ„αž‚αž–αž»αž€αž’αŸ’αž˜αŸαž‰ αž“αž·αž„αžαŸ’αž“αžΆαŸ†αžŠαŸ‚αž›αžαŸ’αžšαžΌαžœαžŸαžΆαž„αžŸαž„αŸ‹
ΑžšαžΆαž›αŸ‹αž€αžΆαžšαžŸαžΆαž„αžŸαž„αž’αŸ’αž˜αŸαž‰(filling) αž‚αž½αžšαžœαž·αž—αžΆαž‚αž›αžΎαž‘αŸ†αž αŸ†αžšαŸ„αž‚αž–αž»αž€αž’αŸ’αž˜αŸαž‰
Αž…αŸ†αžŽαžΆαžαŸ‹αžαŸ’αž“αžΆαž€αŸ‹ Residual carieαž™αŸ„αž„αžαžΆαž˜αž›αŸ†αž“αžΆαŸ†αžŽαžΆ?
Speed
Activity
Base
New lesion
Αž…αŸ†αžŽαžΆαžαŸ‹αžαŸ’αž“αžΆαž€αŸ‹ Incipient carieαž™αŸ„αž„αžαžΆαž˜αž›αŸ†αž“αžΆαŸ†αžŽαžΆ?
Base
Speed
Severity
Activity
Αž€αŸ†αžŽαžαŸ‹αžŸαž˜αŸ’αž‚αžΆαž›αŸ‹αž–αžŽαŸ arrested carie
Αž–αžŽαŸ ស
Αž–αžŽαŸ αžαŸ’αž˜αŸ…
Αž–αžŽαŸ αž€αŸ’αžšαž˜αŸ…αžαŸ’αž“αŸ„αž
Αž–αžŽαŸ αž›αžΏαž„
Αž‘αžΈαžαžΆαŸ†αž„αž€αžαŸ‹αžŸαž˜αŸ’αž‚αžΆαž›αŸ‹αžšαž”αžŸαŸ‹arrested carie
Occlusal surface
Cingulum
Incisal surface
Interproximal surface.
Imagen Rx zone number 4 on dentinal caire
Decalcification of dentin
Bacterial invasion.
Sclerosis dentinal
Decomposed dentin by acid and enzymes
Αž‚αŸ„αž›αž”αŸ†αžŽαž„ Operative dentistry
αžšαžΆαž›αŸ‹αž€αžΆαžšαžšαŸ€αž”αž…αŸ†(preparation) cavity αžαŸ’αžšαžΌαžœαžαŸ‚αž‘αž‘αž½αž›αž”αžΆαž“αž‡αŸ„αž‚αž‡αŸαž™
αžšαžΆαž›αŸ‹αž€αžΆαžšαžšαŸ€αž”αž…αŸ†(preparation) cavity αž‘αžΆαŸ†αž„αž‘αŸ’αžšαžΉαžŸαŸ’αžαžΈ αž€αžΆαžšαž’αž“αž»αžœαžαŸ’αžαžαŸ’αžšαžΌαžœαžŠαžΎαžšαž‘αž“αŸ’αž‘αžΉαž˜αž‚αŸ’αž“αžΆ.
αžšαžΆαž›αŸ‹αž€αžΆαžšαžšαŸ€αž”αž…αŸ†(preparation) cavity αž’αž“αž»αžœαžαŸ’αžαž˜αž·αž“αž”αžΆαž…αŸ‹αž”αŸ’αžšαžΉαžαž”αŸ’αžšαŸ€αž„αž–αŸαž€αž‘αŸ
αžšαžΆαž›αŸ‹αž€αžΆαžšαžšαŸ€αž”αž…αŸ†(preparation) cavity αž˜αž·αž“αž‘αž‘αž½αž›αžαž»αžŸαžαŸ’αžšαžΌαžœ αž‚αŸ†αž“αž·αžαž”αž»αž‚αŸ’αž‚αž›
Αžαž˜αŸ’αžšαžΌαžœαž€αžΆαžšαžŸαž˜αŸ’αžšαžΆαž”αŸ‹ αž‘αž“αŸ’αžαž”αžŽαŸ’αžŒαž·αž
αžœαŸ„αž αžΆαžŸαŸαž–αŸ’αž‘ (αž—αžΌαžαž—αž’αŸ’αž“αž€αž‡αž˜αŸ’αž„αžΊ)
αž€αž„αŸ’αžœαŸ‡αž€αžΆαžšαž™αž›αŸ‹αžŠαžΉαž„
αž‚αž»αžŽαžŸαž˜αŸ’αž”αžαŸ’αžαž· αž“αž·αž„αž‚αž»αžŽαžœαž·αž”αžαŸ’αžαž·αž’αŸ’αž˜αŸαž‰
αž‚αŸ„αžšαž–αžαžΆαž˜αž‘αŸ’αžšαžΉαžŸαŸ’αžαžΈαž”αž‘ αžšαžΆαž›αŸ‹αž€αžΆαžšαž„αžΆαžš.
ΑžšαžΆαž„αžŸαžŽαŸ’αž’αžΆαž“αžšαž”αžŸαŸ‹ Enamel Prisms
αžšαžΆαž„αž”αžΈαž‡αŸ’αžšαž»αž„ (triangular)
αžšαžΆαž„αž”αž½αž“αž‡αŸ’αžšαž»αž„
αžšαžΆαž„αž˜αžΌαž› (oval)
αžšαžΆαž„αž”αŸ’αžšαžΆαŸ†αž˜αž½αž™αž‡αŸ’αžšαž»αž„ (hexagonal).
Αž”αžšαž·αž˜αžΆαžŽ Dentinal Tubules αžαŸ’αžšαžΉαž˜αžαŸ’αžšαžΌαžœαž“αŸ…αžαŸ†αž”αž“αŸ‹ J.E.D
10.000/mmΒ² - 5.000/mmΒ²
15.000/mmΒ² - 20.000/mmΒ²
20.000/mmΒ² - 25.000/mmΒ²
45.000/mmΒ² - 65.000/mmΒ²
Enamel spindles αž˜αžΆαž“αž˜αž»αžαž„αžΆαžšαž’αŸ’αžœαžΈ?
αž‡αžΆαž€αžΆαžšαžœαž·αžœαžŒαŸ’αžαž“αŸαžšαž”αžŸαŸ‹ Odontoblasts cells αžŸαž˜αŸ’αžšαžΆαž”αŸ‹αž”αž„αŸ’αž€αžΎαžαžŸαžΆαžšαž‡αžΆαžαž·αžšαŸ‰αŸ‚
αž‡αžΆαž€αžΆαžšαžœαž·αžœαžŒαŸ’αžαž“αŸαžšαž”αžŸαŸ‹ Odontoblasts cells αžŸαž˜αŸ’αžšαžΆαž”αŸ‹αž‘αž‘αž½αž›αž‰αŸ’αž‰αžΆαžŽ αžœαŸαž‘αž“αžΆαžšαž˜αŸ’αž˜αžŽαŸ
αž‡αžΆαž€αžΆαžšαžœαž·αžœαžŒαŸ’αžαž“αŸαžšαž”αžŸαŸ‹ Odontoblasts cells αž‘αž‘αž½αž› αž”αž‰αŸ’αž‡αžΌαž“ αžœαŸαž‘αž“αžΆαžšαž˜αŸ’αž˜αžŽαŸαž‘αŸ…αžαž½αžšαž€αŸ’αž”αžΆαž›.
αž‡αžΆαž€αžΆαžšαžœαž·αžœαžŒαŸ’αžαž“αŸαžšαž”αžŸαŸ‹ Odontoblasts cells
ΑžœαžαŸ’αžαž˜αžΆαž“αžŸαŸ’αžšαž‘αžΆαž”αŸ‹ Naismith of membrane
αž€αŸ’αžšαŸ„αž™αž–αŸαž›αž’αŸ’αž˜αŸαž‰αžŠαž»αŸ‡αž…αŸαž‰ (after erupt)
αž˜αž»αž“αž–αŸαž›αž’αŸ’αž˜αŸαž‰αžŠαž»αŸ‡αž…αŸαž‰ (before erupt).
αž’αŸ’αž˜αŸαž‰αž˜αž“αž»αžŸαŸ’αžŸαž–αŸαž‰αžœαŸαž™
αž’αŸ’αž˜αŸαž‰αž€αžΌαž“αž€αŸ’αž˜αŸαž„
αžŸαŸ’αžšαž‘αžΆαž”αŸ‹ αž‚αŸ’αžšαŸ„αž„αžŠαŸ‚αž›αž”αž„αŸ’αž€αžΎαžαž€αŸ’αžšαŸ„αž™αž–αŸαž› Naismith membrane αžŸαžΉαž€αž”αžΆαžαŸ‹
Sheath of prism
Enamel tufts
Pelicule
Penachos
ΑžˆαŸ’αž˜αŸ„αŸ‡αžŸαŸ’αžšαž‘αžΆαž”αŸ‹ Dentin αžŠαŸ‚αž›αž˜αžΆαž“αžαž˜αŸ’αž›αŸƒαžŸαŸ’αž˜αžΎ Tertiary Dentin
Reparation Dentin
Morphology Dentin
Predenti
Defense Dentin.
ΑžŸαžΆαžšαž‡αžΆαžαž·αžšαŸ‰αžΆαžœ liquid intercellular αžŠαŸ‚αž›αžŸαž˜αŸ’αž”αžΌαžšαž“αŸ…αž…αž“αŸ’αž›αŸ„αŸ‡ Tomes fiber αž“αž·αž„ Febrile
Na
Po
Ca
Vit
ΑžαŸ†αž”αž“αŸ‹αžœαžαŸ’αžαž˜αžΆαž“αžŸαŸ’αžšαž‘αžΆαž”αŸ‹ Tomes granular
αžαžΆαž„αž•αŸ’αž‘αŸƒαž‘αŸ†αž–αžΆαžš (occlusal site)
αžαžΆαž„αž•αŸ’αž‘αŸƒαž€αŸ†αž–αž€ (cusps site)
αžαžΆαž„αž€αž’αŸ’αž˜αŸαž‰ (cervical site)
αžαžΆαž„αžαž½αž«αžŸαž’αŸ’αž˜αŸαž‰ (root site).
ΑžŸαŸ’αžšαž‘αžΆαž”αŸ‹αžŠαŸ‚αž›αž˜αžΆαž“αžŸαžΆαžšαž‡αžΆαžαž·αžšαŸ‰αŸ‚αž”αŸ†αž”αŸ‰αž“αž…αŸ’αžšαžΎαž“αž€αŸ’αž“αž»αž„αžŸαŸ’αžšαž‘αžΆαž”αŸ‹αž—αŸ’αž›αž»αž€αž’αŸ’αž˜αŸαž‰
Predentin
Inter tubular dentin
Primary dentin
Peritubular dentin.
Αž˜αž»αžαž„αžΆαžšαžšαž”αžŸαŸ‹αžŸαŸ’αžšαž‘αžΆαž”αŸ‹αž—αŸ’αž›αž»αž€αž’αŸ’αž˜αŸαž‰
αž‘αž”αŸ‹αž‘αž›αŸ‹αžšαžΆαž›αŸ‹αžšαŸ†αž–αžΎαž€ αž αž“αŸ’αž“αž·αž—αŸαž™αž•αŸ’αžŸαŸαž„αŸ—
αž‘αž”αŸ‹αž‘αž›αŸ‹αžšαŸ„αž‚αž–αž»αž€αž’αŸ’αž˜αŸαž‰
αž‘αž”αŸ‹αž‘αž›αŸ‹αžŸαŸ’αžαŸαžšαž—αžΆαž– αžŸαžΆαžšαž‡αžΆαžαž·αž”αŸ†αž”αŸ‰αž“
αž€αžΆαžšαž–αžΆαžšαžŸαžΈαžαž»αžŽαŸ’αž αž—αžΆαž–
Αž”αžšαž·αž˜αžΆαžŽαžšαŸ‰αŸ‚αž”αŸ†αž”αŸ‰αž“αž“αŸ…αžαŸ†αž”αž“αŸ‹ J.E.D αžŠαžΌαž…αž˜αŸ’αžαŸαž…?
αžαž·αž…
αžαž·αž…αž”αŸ†αž•αž»αž
αž…αŸ’αžšαžΎαž“
αž…αŸ’αžšαžΎαž“αž”αŸ†αž•αž»αž
Αž˜αžΌαž›αž αŸαžαž»αžšαž”αžŸαŸ‹ sclerotic dentin αž”αž„αŸ’αž€αžšαž‘αžΎαž„αžŠαŸ„αž™αžŸαžΆαžšαž„αŸ’αžœαžΈ?
Acute carie
Chronic carie
Inflammation pulp
Infection pulp
αž“αž·αž™αž˜αž“αŸαž™ percolation αž‚αžΊαŸˆ
αž€αžΆαžšαž‡αŸ’αžšαžΆαž”αž…αžΌαž› αžŸαžΆαžšαž‡αžΆαžαž·αžšαŸ‰αžΆαžœ αž€αŸ’αž“αž»αž„αž…αž“αŸ’αž›αŸ„αŸ‡αžŸαŸ’αžšαž‘αžΆαž”αŸ‹αž’αŸ’αž˜αŸαž‰αž“αž·αž„αžαŸ’αž“αžΆαŸ†
αž€αžΆαžšαž‡αŸ’αžšαžΆαž”αž…αžΌαž› αž–αž–αž½αž€αž˜αŸαžšαŸ„αž‚ αž€αŸ’αž“αž»αž„αž…αž“αŸ’αž›αŸ„αŸ‡αžŸαŸ’αžšαž‘αžΆαž”αŸ‹αž’αŸ’αž˜αŸαž‰αž“αž·αž„αžαŸ’αž“αžΆαŸ†
αž€αžΆαžšαž‡αŸ’αžšαžΆαž”αž…αžΌαž› αž“αž·αž„ αž…αŸαž‰αž“αžΌαžœαžŸαžΆαžšαž‡αžΆαžαž·αžšαžΆαžœαž•αŸ’αžŸαŸαž„αŸ— αž€αŸ’αž“αž»αž„αž…αž“αŸ’αž›αŸ„αŸ‡αžŸαŸ’αžšαž‘αžΆαž”αŸ‹αž’αŸ’αž˜αŸαž‰αž“αž·αž„αžαŸ’αž“αžΆαŸ†
αž€αžΆαžšαž”αŸ‚αž€αž”αžΆαž€αŸ‹αžαŸ’αž“αžΆαŸ†αž…αŸαž‰αž–αžΈαžŸαŸ’αžšαž‘αžΆαž”αŸ‹αž’αŸ’αž˜αŸαž‰
Αž€αž˜αŸ’αžšαžΉαžαž”αŸ†αžšαŸ‚αž”αž˜αŸ’αžšαž½αž›αžŸαžΈαžαž»αžŽαŸ’αž αž—αžΆαž– αžšαž”αžŸαŸ‹αžŸαžŸαŸƒαž”αŸ’αžšαžŸαžΆαž‘αž’αŸ’αž˜αŸαž‰αž…αž“αŸ’αž›αŸ„αŸ‡αž–αžΈαŸˆ
10ΒΊC - 15ΒΊC
15ΒΊC - 20ΒΊC
20ΒΊC - 35ΒΊC
37ΒΊC – 42ΒΊC
ΑžαŸ’αž“αžΆαŸ† CompositeαžŠαŸ‚αž›αž”αŸ‰αŸ‡αž”αž·αžαž’αŸ’αž˜αŸαž‰αž€αŸ’αžšαŸ„αž™ αž‚αŸαž…αžΆαžαŸ‹αž‘αž»αž€αž‡αžΆ wetting αž’αŸ’αžœαžΈ?
Good wetting
Partial wetting
Non wetting
Poor wetting
ΑžαŸ’αž“αžΆαŸ† Amalgam αžŠαŸ‚αž›αž”αŸ‰αŸ‡αž”αž·αžαž’αŸ’αž˜αŸαž‰αž€αŸ’αžšαŸ„αž™ αž‚αŸαž…αžΆαžαŸ‹αž‘αž»αž€αž‡αžΆ wetting αž’αŸ’αžœαžΈ?
Good wetting
Partial wetting
Non wetting
Poor wetting
αžαŸ’αž“αžΆαŸ†αž˜αžΆαž“αž›αž€αŸ’αžαžŽαŸˆαž‡αžΆαž›αŸ„αž αŸˆ αž˜αžΆαž“αž€αŸ†αž αžΆαž”αŸ‹αž”αŸ‰αž»αž“αŸ’αž˜αžΆαž“αž’αŸ€αž”αž‘αŸ…αž“αžΉαž„αž˜αžΆαžŒ
1g/cmΒ³ - 3g/cmΒ³
3g/cmΒ³ - 5g/cmΒ³
6g/cmΒ³ - 19g/cmΒ³
20g/cmΒ³ - 23g/cmΒ³
Αž‘αŸ’αžšαžΉαžŸαŸ’αžαžΈαž”αž‘ αž›αŸ„αž€ Hooke αž‘αžΆαž€αŸ‹αž‘αž„αŸ‹αž€αžΆαžšαž”αŸ’αžšαŸ‚αž”αŸ’αžšαž½αž› αž‘αŸ’αžšαž„αŸ‹αž‘αŸ’αžšαžΆαž™αžœαžαŸ’αžαž» ្ αž’αžΆαžŸαŸ’αžšαŸαž™αž‘αŸ…αž›αžΎ :
αžŸαž˜αŸ’αž–αžΆαž’ αž—αžΆαž–αžαžΆαž“αžαŸαž„αž“αŸƒ αž€αŸ†αž›αŸ† αž‘αŸ†αž„αž“αŸ‹
αžŸαž˜αŸ’αž–αžΆαž’ αž—αžΆαž–αžαžΆαž“αžαŸαž„αž“αŸƒ αžœαžαŸ’αžαž»αž“αŸ„αŸ‡
αžŸαž˜αŸ’αž–αžΆαž’ αž—αžΆαž–αžαžΆαž“αžαŸαž„αž“αŸƒ αžšαž™αŸˆαž–αŸαž›
αžŸαž˜αŸ’αž–αžΆαž’ αž—αžΆαž–αžαžΆαž“αžαŸαž„αž“αŸƒ αž€αŸ†αž›αŸ† αžœαžαŸ’αžαž»αž“αŸ„αŸ‡ αžšαž™αŸˆαž–αŸαž›
Αž•αŸ’αž‘αŸƒαž”αžΆαžαžαžΌαž„ (Base concave of cavity) αž₯αž‘αŸ’αž’αž·αž–αž›αž€αŸ†αž›αŸ† αž‘αŸ†αž„αž“αŸ‹αž†αŸ’αž›αž„αž€αžΆαžαŸ‹αž–αžΈαž›αžΎαžαŸ’αž“αžΆαŸ† αžαžΎαž…αž›αž“αžΆ αž€αŸ†αž›αŸ† αž‘αŸ†αž„αž“αŸ‹αž‚αŸαž’αŸ„αž™αžˆαŸ’αž˜αŸ„αŸ‡αž’αŸ’αžœαžΈ?
Compresion
Shear
Torsion
Tension
Αž•αŸ’αž‘αŸƒαž‡αž‰αŸ’αž‡αŸ†αž„Class I cavity αžαžΌαž…αž›αžΎ (convergence occlusal) αž€αžΆαžšαžšαž„αž₯αž‘αŸ’αž’αž·αž–αž›αž€αŸ†αž›αŸ† αž˜αžΆαž“αž›αž€αŸ’αžαžŽαŸˆαžŠαžΌαž…αž˜αŸ’αžαŸαž…?
αžšαžαŸ‹αž‘αŸ…αžαŸ’αž›αžΆαŸ†αž„αž€αŸ’αž›αžΆαžαŸ’αžšαž„αŸ‹αžαŸ†αž”αž“αŸ‹ Pulp chamber
αžšαžαŸ‹αž‘αŸ…αžαŸ’αž›αžΆαŸ†αž„αž€αŸ’αž›αžΆαžαŸ’αžšαž„αŸ‹αžαŸ†αž”αž“αŸ‹αž•αŸ’αž‘αŸƒαž‘αŸ†αž–αžΆαžš
αžšαžαŸ‹αž‘αŸ…αžαŸ’αž›αžΆαŸ†αž„αž€αŸ’αž›αžΆαžαŸ’αžšαž„αŸ‹αžαŸ†αž”αž“αŸ‹αž•αŸ’αž‘αŸƒαžαžΆαž„αŸ—
αžšαžαŸ‹αž‘αŸ…αžαŸ’αž›αžΆαŸ†αž„αž€αŸ’αž›αžΆαžαŸ’αžšαž„αŸ‹αžαŸ†αž”αž“αŸ‹αžšαž…αž“αžΆαžŸαž˜αŸ’αž–αŸαž“αŸ’αžαž…αž»αž„αž”αž¬αžŸαž’αŸ’αž˜αŸαž‰
Αž•αŸ’αž‘αŸƒαž‡αž‰αŸ’αž‡αžΆαŸ†αž„ Class I cavity αžšαžΈαž€αž’αŸ†αž‘αŸ…αž›αžΎ (divergence occlusal) αž€αžΆαžšαžšαž„αž₯αž‘αŸ’αž’αž·αž–αž›αž‘αŸ†αž„αž“αŸ‹αžαŸ’αž›αžΆαŸ†αž„αžŸαŸ’αžαž·αžαž“αŸ…αžαŸ†αž”αž“αŸ‹αžŽαžΆ?
αžαŸ†αž”αž“αŸ‹αž‡αŸ†αžšαžΆαž›αž€αŸ†αž–αž› cusp
αžαŸ†αž”αž“αŸ‹αž€αŸ†αž–αž€ cups
αžαŸ†αž”αž“αŸ‹ pulp chamber
αžαŸ†αž”αž“αŸ‹αž•αŸ’αž‘αŸƒ occlusal
Αž“αž·αž™αž˜αž“αŸαž™αž”αŸ’αžšαž’αž”αŸ‹ cavity :
αž‚αžΊαž‡αžΆαž”αŸ’αžšαž’αž”αŸ‹ αžŸαž”αŸ’αž”αž“αž·αž˜αŸ’αž˜αž·αž αžŠαŸ‚αž›αž‚αŸαž’αŸ’αžœαžΎαž›αžΎαžαž½αž’αŸ’αž˜αŸαž‰
αž‚αžΊαž‡αžΆαžšαžΆαž„αžšαž“αŸ’αž’ αžŸαž”αŸ’αž”αž“αž·αž˜αŸ’αž˜αž·αž αžŠαŸ‚αž›αž‚αŸαž’αŸ’αžœαžΎαž›αžΎαžαž½αž’αŸ’αž˜αŸαž‰
αž‚αžΊαž‡αžΆαžšαžΆαž„αž…αž„αŸ’αž’αžΌαžš αžŸαž”αŸ’αž”αž“αž·αž˜αŸ’αž˜αž·αž αžŠαŸ‚αž›αž‚αŸαž’αŸ’αžœαžΎαž›αžΎαžαž½αž’αŸ’αž˜αŸαž‰
αž‚αžΊαž‡αžΆαžšαžΆαž„αž‡αŸ’αžšαž»αž„ αž‘αŸ’αžšαžœαŸ‚αž„ αžŸαž”αŸ’αž”αž“αž·αž˜αŸ’αž˜αž·αž αžŠαŸ‚αž›αž‚αŸαž’αŸ’αžœαžΎαž›αžΎαžαž½αž’αŸ’αž˜αŸαž‰
Αž‚αŸ„αž›αžŠαŸ…αž“αŸƒαž€αžΆαžšαžšαŸ€αž”αž…αŸ† cavity αž‡αžΆαžœαž·αž’αžΈαž€αžΆαžšαž–αžΆαžš (prevention):
αžŸαžΆαž„αžŸαž„αŸ‹αž’αŸ’αž˜αŸαž‰αž‘αžΎαž„αžœαž·αž‰αž€αž»αŸ†αž’αŸ„αž™αž…αžΌαž›αž€αŸ†αž‘αŸαž…αž’αžΆαž αžΆαžš
αž‡αŸ€αžŸαžœαžΆαž„αž€αžΆαžšαž”αž„αŸ’αž€αžšαžšαŸ„αž‚αž–αž»αž€αž’αŸ’αž˜αŸαž‰αžšαžΆαŸ†αžšαŸ‰αŸƒ
αž’αŸ’αžœαžΎαž…αŸ†αžŽαž»αž…αž‘αžΆαž€αŸ‹αž‡αžΆαž”αŸ‹αžαŸ’αž“αžΆαŸ†
αžŠαžΆαž€αŸ‹ αž”αž„αŸ’αž‚αŸ’αžšαž”αŸ‹αž’αŸ’αž˜αŸαž‰αžŠαŸ‚αž›αž”αžΆαžαŸ‹αž”αž„αŸ‹
Αž‚αŸ„αž›αžŠαŸ…αž“αŸƒαž€αžΆαžšαžšαŸ€αž”αž…αŸ† cavity αž‡αžΆαžœαž·αž’αžΈαž–αŸ’αž™αžΆαž”αžΆαž›αžšαŸ„αž‚ (therapy):
αžŸαžΆαž„αžŸαž„αŸ‹αž’αŸ’αž˜αŸαž‰αž‘αžΎαž„αžœαž·αž‰αžŠαžΎαž˜αŸ’αž”αžΈαž”αž„αŸ’αž€αžΎαž“αžŸαŸ„αž—αŸαžŽαŸ’αžŒαž—αžΆαž–
αž’αŸ’αžœαžΎαž’αŸ„αž™αž’αŸ’αž˜αŸαž‰αž˜αžΆαž“αž˜αž»αžαž„αžΆαžšαž‘αžΎαž„αžœαž·αž‰
αžŠαžΆαž€αŸ‹ αž”αž„αŸ’αž‚αŸ’αžšαž”αŸ‹αž’αŸ’αž˜αŸαž‰αžŠαŸ‚αž›αž”αžΆαžαŸ‹αž”αž„αŸ‹ αž¬αž”αž·αžαž•αŸ’αž…αž·αžαž…αž“αŸ’αž›αŸ„αŸ‡
αž’αŸ’αžœαžΎαž’αŸ„αž™αž•αŸ’αž‘αŸƒαž’αŸ’αž˜αŸαž‰ αž€αžΆαž“αŸ‹αžαŸ‚αžšαž›αŸ„αž„
Αž•αŸ’αž‘αŸƒαž”αžΆαžαž“αŸƒαž€αžΆαŸ†αž‡αžŽαŸ’αžαžΎαžš αž‘αžΈαŸ’ αžšαž”αžŸαŸ‹ Class II cavity αžŸαŸ’αžαž·αžαž“αŸ…αžαŸ†αž”αž“αŸ‹αžŽαžΆ?
Enamel- Dentin- cervical
Enamel- Dentin- occlusal
Enamel- Dentin- pulp chamber
Enamel cement.
Αž•αŸ’αž‘αŸƒαž”αžΆαžαž“αŸƒαž€αžΆαŸ†αž‡αžŽαŸ’αžαžΎαžšαž‘αžΈαŸ‘ αžšαž”αžŸαŸ‹ Class II αžŸαŸ’αžαž·αžαž“αŸ…αžαŸ†αž”αž“αŸ‹αžŽαžΆ?
Enamel dentin cervical
Enamel dentin occlusal
Enamel dentin pulp chamber
Enamel cement
Αž–αŸαž›αžŠαŸ‚αž›αž”αž„αŸ’αž€αžšαž‡αžΆ αž αžΆαž“αž·αž—αŸαž™αžŠαž›αŸ‹αžαŸ†αž”αž“αŸ‹ Isthmus αž–αŸαž›αž‘αž‘αž½αž›αž₯αž‘αŸ’αž’αž·αž–αž›αž‘αž˜αŸ’αž„αž“αŸ‹ :
αžαŸ†αž”αž“αŸ‹ Isthmus αžαžΌαž… (small)
αžαŸ†αž”αž“αŸ‹ Isthmus αž’αŸ† (large)
αžαŸ†αž”αž“αŸ‹ Isthmus αžŸαŸ’αžšαž”αž‘αž·αžŸαžŠαŸ…αž‚αŸ’αž“αžΆ (direction)
αžαŸ†αž”αž“αŸ‹ Isthmus αž”αž‰αŸ’αž‡αŸ’αžšαžΆαžŸαž‘αž·αžŸαžŠαŸ…αž‚αŸ’αž“αžΆ (contra direction)
Αž‚αŸ„αž›αž€αžΆαžšαžŽαŸαž‚αŸ’αžšαž·αŸ‡αž€αŸ’αž“αž»αž„αž€αžΆαžšαžšαŸ€αž”αž…αŸ†αž”αŸ’αžšαž’αž”αŸ‹ cavity αž˜αžΆαž“αž”αŸ‰αž»αž“αŸ’αž˜αžΆαž“αž…αŸ†αžŽαž»αž… (Characteristic principal all of the cavity)?
αž˜αžΆαž“αŸ£ αž…αŸ†αžŽαž»αž…
αž˜αžΆαž“αŸ₯ αž…αŸ†αžŽαž»αž…
αž˜αžΆαž“αŸ§ αž…αŸ†αžŽαž»αž…
αž˜αžΆαž“αŸ© αž…αŸ†αžŽαž»αž…
Αž“αž·αž™αž˜αž“αŸαž™ Axioma
αž‚αžΊαž‡αžΆαž€αž˜αŸ’αžšαžΆαžŸαŸ‹αžŸαŸ’αžšαž‘αžΆαž”αŸ‹αžŸαžΆαž…αŸ‹αž’αŸ’αž˜αŸαž‰αžŸαž“αŸ’αžŸαŸ†αž‘αž»αž€ αž–αŸαž›αžšαŸ€αž”αž…αŸ†αž”αŸ’αžšαž’αž”αŸ‹ cavity
αž‚αžΊαž‡αžΆαžŸαŸ’αžšαž‘αžΆαž”αŸ‹ αž€αžΆαž…αžΆ αž—αŸ’αž›αž»αž€αž’αŸ’αž˜αŸαž‰ αžŠαŸ‚αž›αžαŸ’αžšαžΌαžœαžšαž€αŸ’αžŸαžΆαžšαž‘αž»αž€
αž‚αžΊαž‡αžΆαžŸαŸ’αžšαž‘αžΆαž”αŸ‹ αž€αžΆαž…αžΆ αž—αŸ’αž›αž»αž€αž’αŸ’αž˜αŸαž‰ αžŠαŸ‚αž›αžŸαŸ’αž’αžΆαžαž›αŸ’αž’ αž˜αž»αž“αž”αž·αžαžαŸ’αž“αžΆαŸ†αžŸαŸ†αžšαŸαž…
Αž‚αžΊαž‡αžΆαžŸαŸ’αžšαž‘αžΆαž”αŸ‹αž—αŸ’αž›αž»αž€αž’αŸ’αž˜αŸαž‰ αž”αžŽαŸ’αžαžΌαž›αž’αŸ’αž˜αŸαž‰αžŠαŸ‚αž›αžαŸ’αžšαžΌαžœαžšαž€αŸ’αžŸαžΆαž‘αž»αž€
Αž‘αž˜αŸ’αžšαž„αŸ‹ Dove tail αž‚αŸαž…αŸ’αžšαžΎαž“αž”αžšαž·αž™αžΆαž™αž€αŸ’αž“αž»αž„αž…αŸ†αžŽαžΆαžαŸ‹αžαŸ’αž“αžΆαž€αŸ‹αž’αž˜αŸ’αž˜αžαžΆ αž”αŸ’αžšαž’αž”αŸ‹cavity αž€αž˜αŸ’αžšαžΉαžαž‘αžΈαž”αŸ‰αž»αž“αŸ’αž˜αžΆαž“?
αž€αž˜αŸ’αžšαžΉαž Class I cavity
αž€αž˜αŸ’αžšαžΉαž Class II cavity
αž€αž˜αŸ’αžšαžΉαž Class III cavity
αž€αž˜αŸ’αžšαžΉαž Class IV cavity
Αž‘αž˜αŸ’αžšαž„αŸ‹ Dove tail αž‚αŸαž’αž“αž»αžœαžαŸ’αžαž’αŸ’αžœαžΎαžŠαŸ‚αžš αž€αŸ’αž“αž»αž„αž…αŸ†αžŽαžΆαžαŸ‹αžαŸ’αž“αžΆαž€αŸ‹αž”αŸ’αžšαž’αž”αŸ‹ cavity αž€αŸ’αž“αž»αž„αž€αž˜αŸ’αžšαžΉαžαž‘αžΈαž”αŸ‰αž»αž“αŸ’αž˜αžΆαž“?
αž€αž˜αŸ’αžšαžΉαž Class I cavity
αž€αž˜αŸ’αžšαžΉαž Class II cavity
αž€αž˜αŸ’αžšαžΉαž Class III cavity
αž€αž˜αŸ’αžšαžΉαž Class IV cavity
Αž€αžΆαžšαžŸαžΆαž„αžŸαž„αŸ‹αž’αŸ’αž˜αŸαž‰αžαŸ’αž‚αžΆαž˜αž’αŸ† Class V cavity αž„αžΆαŸ†αž’αŸ’αž˜αŸαž‰αžαŸ’αžšαžΉαž˜αžαŸ’αžšαžΌαžœ αžαžΎαžŸαž˜αŸ’αž–αžΆαž’αžαŸ’αž›αžΆαŸ†αž„αž€αŸ’αž›αžΆαžˆαŸ’αž˜αŸ„αŸ‡αž’αŸ’αžœαžΈ αžŠαŸ‚αž›αž’αžΆαž…αž’αŸ„αž™αžαŸ’αž“αžΆαŸ†αž”αŸ’αž›αžΆαžαž…αŸαž‰?
Compression
Tension
Flexion
Torsion
Αž€αžΆαžšαžŸαžΆαž„αžŸαž„αŸ‹αž’αŸ’αž˜αŸαž‰αžαŸ’αž‚αžΆαž˜αž’αŸ† Class V cavity αž„αžΆαŸ†αž’αŸ’αž˜αŸαž‰αž˜αž·αž“αž”αŸ’αžšαž€αŸ’αžšαžαžΈ αžαžΎαžŸαž˜αŸ’αž–αžΆαž’αž’αŸ’αžœαžΈαž–αŸαž›αžšαž„αž₯αž‘αŸ’αž’αž·αž–αž›αž‘αž˜αŸ’αž„αž“αŸ‹αž™αžΌαžšαŸ— αž’αŸ’αžœαžΎαž’αŸ„αž™αžαŸ’αž“αžΆαŸ†αž”αŸ’αž›αžΆαžαž…αŸαž‰?
Compression
Tension
Flexion
Torsion
The best anglecavo-surface for restauration material plastic limit.
135ΒΊ
45ΒΊ
90ΒΊ
75ΒΊ
Αž€αžαŸ’αžαžΆαž†αŸ’αž›αžΎαž™αžαž”αŸ‹αžšαž”αžŸαŸ‹pulp αžŠαŸ‚αž›αž—αŸ’αž›αž»αž€αž’αŸ’αž˜αŸαž‰αžšαž€αŸ’αžŸαžΆαž‘αž»αž€αž€αŸ†αžšαžΆαžŸαŸ‹ 2mm:
αžŸαŸ’αžšαŸ€αžœαžαž·αž…αžαž½αž…
αžŸαŸ’αžšαŸ€αžœαž˜αž’αŸ’αž™αž˜
αžŸαŸ’αžšαŸ€αžœαžαŸ’αž›αžΆαŸ†αž„
αž˜αž·αž“αžŸαŸ’αžšαŸ€αžœαžŸαŸ„αŸ‡
Αž‚αŸ„αž›αž”αŸ†αžŽαž„αž“αŸƒαž€αžαŸ’αžαžΆαž‡αžΈαžœαŸˆαžŸαžΆαžŸαŸ’αžαŸ’αžšαž€αŸ’αž“αž»αž„αž€αžΆαžšαžšαŸ€αž”αž…αŸ† cavity :
αžŸαž˜αŸ’αž—αžΆαžšαŸˆαž€αžΆαžαŸ‹αž’αŸ’αž˜αŸαž‰ αž“αž·αž„ αžŸαŸ†αžŽαžΎαž˜
αž”αž…αŸ’αž…αŸαž€αž‘αŸαžŸαž“αŸƒαž€αžΆαžšαž€αžΆαžαŸ‹αž’αŸ’αž˜αŸαž‰
αžαŸ†αžŽαžΆαž€αŸ‹αž€αžΆαž›αž“αŸƒαž€αžΆαžšαž€αžΆαžαŸ‹αž’αŸ’αž˜αŸαž‰
αž”αŸ‰αžΆαž“αŸ‹αžŸαŸ’αž˜αžΆαž“αž‚αŸ’αžšαŸ„αž„αž’αŸ’αž˜αŸαž‰αžŠαŸ‚αž›αžαžΌαž…αžαžΆαž
Αž€αž˜αŸ’αžšαžΆαžŸαŸ‹αž—αŸ’αž›αž»αž€αž’αŸ’αž˜αŸαž‰αžŠαŸ‚αž›αžŸαžΆαž„αžŸαž„αŸ‹ (reparation dentin) αžšαž™αŸˆαž–αŸαž›αŸ§αžŸαž”αŸ’αžαžΆαž αŸŒ
10Β΅
20Β΅
60Β΅
70Β΅
ΑžŸαŸ’αžšαž‘αžΆαž”αŸ‹αž—αŸ’αž›αž»αž€αž’αŸ’αž˜αŸαž‰αž€αž˜αŸ’αžšαžΆαžŸαŸ‹ 2mm αž˜αžΆαž“αžŸαž€αž˜αŸ’αž˜αž—αžΆαž–αžαŸ’αž›αžΆαŸ†αž„αž€αŸ’αž›αžΆαž”αŸ†αž•αž»αž αž€αŸ’αžšαŸ„αž™αž”αž·αžαžαŸ’αž“αžΆαŸ†αž€αžΆαžšαž–αžΆαžš:?
1 – 5 αžŸαž”αŸ’αžαžΆαž αŸŒ
1 – 7 αžŸαž”αŸ’αžαžΆαž αŸŒ
1 – 10 αžŸαž”αŸ’αžαžΆαž αŸŒ
αž’αž…αž·αž“αŸ’αžαŸ’αžšαŸƒαž™αŸ
Number of lines and points angle for class II cavity preparation:
Line 8 point 4
Line 11 point 6
Line 6 point 3
Line 8 point 5
Fracture zone frequently for class II cavity after filling (αžαŸ†αž”αž“αŸ‹αž”αŸ‚αž€αž”αžΆαž€αŸ‹αž‰αžΉαž€αž‰αžΆαž”αŸ‹ cavity class II filling) :
Occlusal box
Proximal box
Cavo-surface
Isthmus
αžαžΎαž”αŸ’αžšαž’αž”αŸ‹Cavity class IIαžŸαž˜αŸ’αžšαžΆαž”αŸ‹αž’αŸ’αž“αž€αž“αž·αž–αž“αŸ’αž’αž—αžΆαž‚αž…αŸ’αžšαžΎαž“αžŠαŸ‚αž›αž˜αž·αž“αž˜αŸ‚αž“αž‡αžΆαž”αŸ’αžšαž’αž”αŸ‹Cavityαž›αŸ„αž€ Black:
Parallel occlusal wall and proximal wall
Divergence occlusal and proximal wall
Convergence occlusal wall and proximal wall
Divergence occlusal wall and convergence proximal wall
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