Operative Dentistry II Test

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Operative Dentistry II Test

 

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αž€αŸ’αž“αž»αž„αž…αŸ†αžŽαŸ„αž˜αž¬αž–αž–αž½αž€ αžŸαž˜αŸαž™αžαŸ’αž˜αžΈ(Recent advance composite) αžαžΎαž˜αž½αž™αžŽαžΆαžŠαŸ‚αž›αž˜αžΆαž“αž›αž€αŸ’αžαžŽαŸˆαž˜αŸαž€αžΆαž“αž·αž€ αž’αž“αŸ‹αžαž™αž‡αžΆαž„αž‚αŸ?

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Direction force for tension on cylindrical schema:

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Imagen Rx zone number 4 on dentinal caire

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αž”αŸ’αžšαž’αž”αŸ‹ cavity Class I αžšαŸ€αž”αž…αŸ†αž’αŸ’αžœαžΎαž›αžΎαž’αŸ’αž˜αŸαž‰αžŽαžΆαžαŸ’αž›αŸ‡?

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αžŸαž˜αžΆαžŸαž’αžΆαžαž»αž•αŸ’αžŸαŸ† αž›αžΆαž™αžŠαžΎαž˜αŸ’αž”αžΈαž”αž„αŸ’αž€αžΎαžαžαŸ’αž“αžΆαŸ† Amalgam αž’αž„αŸ’αž‚αžαžΌαž…αž›αŸ’αž’αž·αžαŸ—αž˜αž·αž“αžšαž›αžΆαž™αž…αžΌαž›αž‚αŸ’αž“αžΆαž‘αžΆαŸ†αž„αž’αžŸαŸ‹ αžαžΎαžœαžΆαž”αž„αŸ’αž€αž€αžΆαžšαž”αŸ‚αž€αž”αžΆαž€αŸ‹αž˜αž»αž“αž‚αŸ αž”αŸ’αžšαžˆαž˜αž“αžΉαž„αžŸαž˜αŸ’αž–αžΆαž’αž’αŸ’αžœαžΈ?

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αžαžΎαž‚αŸαž”αž“αŸ’αžαŸ‚αž˜αž’αž„αŸ’αž‚αž‡αžΆαžŸαžšαžŸαŸƒ (Filler) αžŠαžΎαž˜αŸ’αž”αžΈαž”αž„αŸ’αž€αžΎαžαžαŸ’αž“αžΆαŸ† comeposite αžŸαŸ†αžšαžΆαž”αŸ‹αž”αŸ’αžšαžŸαž·αž‘αŸ’αž’αž—αžΆαž–αž’αŸ’αžœαžΈαžαŸ’αž›αŸ‡?

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αž€αŸ’αž“αž»αž„αž€αžΆαžšαžšαŸ€αž”αž…αŸ†αž”αŸ’αžšαž’αž”αŸ‹ cavity class II of Dr.Black αžαžΎαž αŸαžαž»αž’αŸ’αžœαžΈαž”αžΆαž“αž‚αŸαž˜αž·αž“αž’αŸ„αž™αž‚αžΆαžαŸ‹αž”αž‰αŸ’αž†αž·αž αž…αŸ’αžšαžΉαž”αž…αŸ„αž›αž˜αž»αŸ†αžαžΆαž„αž›αžΎαžšαž”αžŸαŸ‹αž‡αž‰αŸ’αž‡αžΆαŸ†αž„ axial wall?

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αž…αŸ†αž–αŸ„αŸ‡αž’αŸ’αž˜αŸαž‰αžŠαŸ‚αž›αž”αŸ‚αž€αž”αžΆαž€αŸ‹αž‚αŸ’αžšαŸ„αž„αž…αŸ’αžšαžΎαž“αžαžΎαž”αž…αŸ’αž…αŸαž€αž‘αŸαžŸαž”αŸ’αžšαžΎαž”αŸ’αžšαžΆαžŸαŸ‹αž§αž”αž€αžšαžŽαŸαž‡αŸ†αž“αž½αž™ αž˜αž½αž™αžŽαžΆαžŠαŸ‚αž›αž’αŸ’αž“αž€αž™αž›αŸ‹αžαžΆαž‡αžΆαž”αŸ‹αž›αŸ’αž’αž”αŸ’αžšαžŸαžΎαž”αŸ†αž•αž»αž?

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αžαŸ†αž”αž“αŸ‹αž€αž˜αŸ’αžšαžΆαžŸαŸ‹αžŸαŸ’αžšαž‘αžΆαž”αŸ‹αžαŸ’αž“αžΆαŸ†αž‘αŸ’αžšαžΆαž”αŸ‹αž”αžΆαž (base lining) αž€αž˜αŸ’αžšαž·αžαžŽαžΆαžŠαŸ‚αž›αž•αŸ’αžαž›αŸ‹αž’αžαŸ’αžαž”αŸ’αžšαž™αŸ„αž‡αž“αŸαžŠαž›αŸ‹ αžŸαŸ’αžšαž‘αžΆαž”αŸ‹αž’αŸ’αž˜αŸαž‰αžŠαŸ‚αž›αžšαž€αŸ’αžŸαžΆαž‘αž»αž€αž€αŸ’αžšαŸ„αž™αžšαŸ€αž”αž…αŸ†αž”αŸ’αžšαž’αž”αŸ‹ cavity αž€αŸ’αž“αž»αž„αž€αžšαžŽαžΈαž‡αžΆ deep carie αž‚αžΊ

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αžαžΎαž”αŸ’αžšαž’αž”αŸ‹ CavityαžˆαŸ’αž˜αŸ„αŸ‡αž’αŸ’αžœαžΈαžŠαŸ‚αž›αž˜αžΆαž“αž›αž€αŸ’αžαžŽαŸ‡αž‚αŸ’αžšαžΉαŸ‡αžŠαžΌαž…αž”αŸ’αžšαž’αž”αŸ‹ Cavity Class V By Dr.Black?

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αž€αŸ’αž“αž»αž„αž€αžΆαžšαžŸαžΆαž„αžŸαž„αŸ‹αž”αŸ’αžšαž’αž”αŸ‹ cavity class II αžšαž”αžŸαŸ‹ Dr.Black αžαžΎαžŸαž˜αŸ’αž—αžΆαžšαŸˆαžŽαžΆαž˜αž½αž™αžŠαŸ‚αž›αž”αž„αŸ’αž€αž’αŸ„αž™αžαŸ’αž“αžΆαŸ† αž”αž·αžαž”αŸ‰αŸ‡αž˜αžΆαž“αžŸαž—αžΆαž–αžαžΌαž„ αž•αž?

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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

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αžšαŸ„αž‚αž–αž»αž€αž’αŸ’αž˜αŸαž‰αžŠαŸ‚αž›αž€αž€αžΎαž-αž”αž„αŸ’αž€αž‘αžΎαž„αž˜αžΆαž“αž“αŸ…αžαŸ‚αžαŸ†αž”αž“αŸ‹ relation inter-proximal(of the teeth)αž‚αžΊ

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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

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αž€αžΆαžšαžŸαžΆαž„αžŸαž„αŸ‹αž’αŸ’αž˜αŸαž‰αžŠαŸ‚αž›αž’αž“αž»αžœαžαŸ’αžαžœαž·αž’αžΈαžŸαžΆαžŸαŸ’αžαŸ’αžšαžŠαŸ„αž™αž”αŸ’αžšαž–αŸαž“αŸ’αž’αžŸαžΆαžšαž’αžΆαžαž»αžŸαŸ’αž’αž·αž(Bonding system) αž˜αž·αž“αžαŸ’αžšαžΉαž˜αžαŸ’αžšαžΌαžœ αžαžΎαžœαžΆαž”αž„αŸ’αž€αž•αž›αž’αŸ’αžœαžΈαž“αŸ…αž–αŸαž›αž€αŸ’αžšαŸ„αž™?

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αž…αŸ†αžŽαžΆαžαŸ‹αžαŸ’αž“αžΆαž€αŸ‹ Residual carieαž™αŸ„αž„αžαžΆαž˜αž›αŸ†αž“αžΆαŸ†αžŽαžΆ?

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αž€αŸ†αžŽαžαŸ‹αžŸαž˜αŸ’αž‚αžΆαž›αŸ‹αž–αžŽαŸ arrested carie

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αž€αŸ’αž“αž»αž„αž’αžΆαž™αž»αž€αžΆαž›αž“αŸƒ αžŸαŸ’αžšαž‘αžΆαž”αŸ‹αž—αŸ’αž›αž»αž€αž’αŸ’αž˜αŸαž‰ αžαŸ‚αž„αžšαž„αž₯αž‘αŸ’αž’αž·αž–αž›αž–αžΈαžαžΆαž„αž€αŸ’αžšαŸ… តើ zone of dentinal sclerosis αž”αž„αŸ’αž€αž‘αžΎαž„αžŠαŸ„αž™αžŸαžΆαžšαž’αŸ’αžœαžΈ?

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αž€αžΆαžšαžŸαžΆαž„αžŸαž„αŸ‹αž’αŸ’αž˜αŸαž‰ αž‡αž·αžαžαŸ†αž”αž“αŸ‹αž’αž‰αŸ’αž…αžΆαž‰αž€αŸ’αž“αž»αž„αž€αž˜αŸ’αžšαž·αžαž‘αžΈαŸ€ (Restoration gingival level 4) αž’αŸ’αžœαžΎαžŠαžΌαž…αž˜αŸ’αžαŸαž…?

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αž’αŸ’αž“αžΉαž˜(beam) αž˜αžΆαž“αžšαžΆαž„-αž‘αŸ’αžšαž„αŸ‹αž‘αŸ’αžšαžΆαž™αžŠαžΌαž…αž˜αŸ’αžαŸαž… αžŠαŸ‚αž›αž’αž“αŸ‹-αžšαžΉαž„αž˜αžΆαŸ†αžαž‘αž›αŸ‹αž“αžΉαž„αž€αŸ†αž›αžΆαŸ†αž„-αž‘αž˜αŸ’αž„αž“αŸ‹?

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αžαžΎαžαŸ’αž“αžΆαŸ† composite αž˜αžΆαž“αžŸαž”αŸ’αž”αžŸαž·αž‘αŸ’αž’αž·αž–αŸαž›αžšαž„αž₯αž‘αŸ’αž’αž·αž–αž›αž…αžšαž“αŸ’αžαžšαžΈαž€αž¬αžšαž½αž˜αž”αŸ‰αž»αž“αŸ’αž˜αžΆαž“αž”αžΎαž’αŸ€αž”αž‘αŸ… αž“αž·αž„αžŸαŸ’αžšαž‘αžΆαž”αŸ‹αž’αŸ’αž˜αŸαž‰?

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αž€αžΆαžšαžŸαžΆαž„αžŸαž„αŸ‹αž”αŸ’αžšαž’αž”αŸ‹αž’αŸ’αž˜αŸαž‰ class II cavity αžšαž”αžŸαŸ‹αž›αŸ„αž€ Dr.Black αžŸαŸ†αžšαžΆαž”αŸ‹αž€αŸ’αž˜αŸαž„αž’αžΆαž™αž»αŸ¨αž†αŸ’αž“αžΆαŸ† αžαž»αžŸαž–αžΈαž’αŸ’αž˜αŸαž‰αž˜αž“αž»αžŸαŸ’αžŸαž…αžΆαžŸαŸ‹αž’αžΆαž™αž»αŸ’αŸ¨αž†αŸ’αž“αžΆαŸ†αžαŸ’αžšαž„αŸ‹αžŽαžΆ?

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αžαŸ†αž”αž“αŸ‹αž‘αžΆαž€αŸ‹αž‡αžΆαž”αŸ‹ Lock retention αžŸαŸ†αžšαžΆαž”αž”αŸ’αžšαž’αž”αŸ‹ cavity Class II αžšαž”αžŸαŸ‹ Dr. Black αžŸαŸ’αžαž·αžαž“αŸ…αžαŸ’αžšαž„αŸ‹αžŽαžΆ?

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αžαŸ’αž“αžΆαŸ†αžŠαŸ‚αž›αž”αŸ’αžšαžŸαžΎαžšαž›αžΆαž€αž’αž‰αŸ’αž…αžΆαž‰αž”αŸ†αž•αž»αž αžŸαŸ†αžšαžΆαž”αŸ‹αž”αž·αžαž”αŸ‰αŸ‡αžŸαž˜αŸ’αžšαŸαž… αž…αŸ†αž–αŸ„αŸ‡αž’αŸ’αž˜αŸαž‰αž€αŸ’αžšαŸ„αž™αžŠαŸ‚αž›αžŸαžΉαž€αž’αžŸαŸ‹αžŸαŸ’αžšαž‘αžΆαž”αŸ‹ Enamel αž‚αžΊ

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αžŸαž˜αŸ’αž–αžΆαž’-αž—αžΆαž–αžαžΆαž“αžαžΉαž„αž“αŸƒαž’αŸ’αž“αžΉαž˜-αž‘αž˜αŸ’αžšαž’αž˜αŸ’αž˜αžαžΆ ( Compresion on simple beam) αžαžΎαž‚αŸαžŸαž“αŸ’αž˜αžαž™αž€αžαŸ†αž”αž“αŸ‹αž‡αžΆαž‘αžΈαžαžΆαŸ†αž„αž’αž–αŸ’αž™αžΆαž€αŸ’αžšαž·αž?

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αžαžΎαžŸαŸ’αžšαž‘αžΆαž”αŸ‹ smear layer αž”αž„αŸ’αž€αž‘αžΎαž„αžŠαŸ„αž™αžŸαžΆαžšαž’αŸ’αžœαžΈ? αž“αž·αž„αž“αŸ…αžαŸ†αž”αž“αŸ‹αžŽαžΆαžšαž”αžŸαŸ‹αžαž½αž’αŸ’αž˜αŸαž‰?

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αž€αžΆαžšαžŸαžΆαž„αžŸαž„αŸ‹αž”αŸ’αžšαž’αž”αŸ‹ cavity class II αžαžΆαž˜αž›αŸ†αž“αžΆαŸ†αž›αŸ„αž€ Dr. LUBETZKY αž αŸαžαž»αž”αžΆαž“αž‘αž“αŸ’αžαž”αžŽαŸ’αžŒαž·αž αž”αž…αŸ’αž…αž»αž”αŸ’αž”αž“αŸ’αž“αž’αŸ’αžœαžΎαžαžΆαž˜αž€αžΆαžšαžŽαŸ‚αž“αžΆαŸ†αžšαž”αžŸαŸ‹αž‚αžΆαžαŸ‹?

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αž€αŸ’αž“αž»αž„αž€αžΆαžšαžšαŸ€αž”αž…αŸ†αž”αŸ’αžšαž’αž”αŸ‹ cavity class IV αžšαž”αžŸαŸ‹ Dr. Black αžαžΆαž˜αž‘αŸ’αžšαžΉαžŸαŸ’αžαžΈαž”αž‘αž‘αžΈαŸ£ αžšαž”αžŸαŸ‹ Dr. Davis αž…αž„αŸ’αž’αžΌαžšαž‘αžΆαž€αŸ‹αž‡αžΆαž”αŸ‹αž›αžΎαž•αŸ’αž‘αŸƒαž€αžΆαžαŸ‹(incisal bord) αž‚αŸαž…αŸ’αžšαžΎαž“αž’αž“αž»αžœαžαŸ’αžαž’αŸ’αžœαžΎαžŸαŸ†αžšαžΆαž”αŸ‹αž’αŸ’αž˜αŸαž‰αž˜αžΆαž“αž›αž€αŸ’αžαžŽαŸˆαžŠαžΌαž…αž˜αŸ’αžαŸαž…?

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αžαžΎαž‚αŸαž’αž“αž»αžœαžαŸ’αžαž’αŸ’αžœαžΎαž”αŸ’αžšαž’αž”αŸ‹ Cavity αž›αžΎαž’αŸ’αž˜αŸαž‰αž’αŸ’αžœαžΈαžŠαŸ‚αž›αž˜αžΆαž“αž‘αŸ†αž αŸ†αž”αŸ’αžšαž αžΆαž€αŸ‹αž”αŸ’αžšαž αŸ‚αž› 0,9mm αž“αž·αž„αž‡αž˜αŸ’αžšαŸ…αž”αŸ’αžšαž αžΆαž€αž”αŸ’αžšαž αŸ‚αž› 1mm?

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αžαžΎαž‚αŸαž’αŸ„αž™αžαž˜αŸ’αž›αŸƒαž‘αžΆαž”αž”αŸ†αž•αž»αžαžŸαŸ†αžšαžΆαž”αŸ‹ configuration or β€œC Factor” αž€αŸ’αž“αž»αž„αž…αŸ†αžŽαžΆαžαŸ‹αžαŸ’αž“αžΆαž€αŸ‹αž”αŸ’αžšαž’αž”αŸ‹ cavity ណអ?

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αž’αŸŠαžΈαž™αŸ‰αž»αž„ (ion) αž›αŸ„αž αŸ‡αž”αŸ’αžšαžΆαž€αŸ‹(Ag) αžŠαŸ‚αž›αžŠαžΆαž€αŸ‹αž›αžΆαž™αž”αž‰αŸ’αž…αžΌαž›αž€αŸ’αž“αž»αž„ composite αžαžΎαžœαžΆαž˜αžΆαž“αž€αž˜αŸ’αž˜αž’αŸ†αž–αžΎαžœαžΆαžŠαžΌαž…αž˜αŸ’αžαŸαž…?

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αžαžΎαžαŸ’αž“αžΆαŸ† composite αž˜αžΆαž“αž—αžΆαž–αž‘αž“αŸ‹αž‡αŸ’αžšαžΆαž™-αžšαž›αžΆαž™αž–αŸαž›αž”αŸ‰αŸ‡αžŸαŸ†αžŽαžΎαž˜αž‘αžΉαž€ αž€αŸ’αž“αž»αž„αž€αž˜αŸ’αžšαž·αžαžŽαžΆ?

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αž€αŸ’αž“αž»αž„αžšαž™αŸ‡αž–αŸαž›αŸ₯αž“αžΆαž‘αžΈαžŠαŸ†αž”αžΌαž„ αž€αŸ’αžšαŸ„αž™αž€αžΆαžšαžŸαžΆαž„αžŸαž„αŸ‹αž’αŸ’αž˜αŸαž‰αžŠαŸ„αž™αžαŸ’αž“αžΆαŸ† Amalgam αžαžΎαžαŸ’αž“αžΆαŸ†αž“αŸαŸ‡αž’αžΆαž…αž•αŸ’αž›αžΆαžŸαŸ‹ αž”αŸ’αžαžΌαžšαž‘αŸ’αžšαž„αŸ‹αž‘αŸ’αžšαžΆαž™αžŠαžΎαž˜αž”αžΆαž“αž”αŸ‰αž»αž“αŸ’αž˜αžΆαž“?

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αž“αž·αž™αž˜αž“αŸαž™ Material Creep?

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148. αžœαžŠαŸ’αžαžœαž·αž›αž‡αž»αŸ† αžšαž”αžŸαŸ‹αž€αŸ†αž αžΆαž”αŸ‹αžŠαž»αŸ† Amalgam αž”αŸ‰αž»αž“αŸ’αž˜αžΆαž“αž‘αžΎαž”αžαŸ’αžšαžΉαž˜αžαŸ’αžšαžΌαžœ?

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αž”αŸ’αžšαž’αž”αŸ‹ cavity αž’αŸ’αž˜αŸαž‰αž…αž„αŸ’αž€αžΌαž˜αž•αŸ’αž‘αŸƒαžαžΆαž„αž€αŸ’αžšαŸ„αž™ (distal) αžŸαžΆαž„αžŸαž„αŸ‹αžŠαŸ„αž™αžαŸ’αž“αžΆαŸ† composite αž“αž·αž„αžŸαžΉαž€αž”αž“αŸ’αžαž·αž…αž˜αŸ’αžαž„αŸ— αžαžΎαž‘αŸ†αžšαž„αŸ‹αž’αŸ’αž˜αŸαž‰αž“αŸ…αž€αŸ’αž”αŸ‚αžšαžαŸ†αž”αž“αŸ‹αž“αŸ„αŸ‡αž˜αžΆαž“αž’αŸ’αžœαžΈαž”αŸ’αžšαŸ‚αž”αŸ’αžšαž½αž›?

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αž€αŸ’αž“αž»αž„αž›αž€αŸ’αžαžŽαŸˆαž‘αž˜αŸ’αžšαž„αŸ‹αžšαžΉαž„αž˜αžΆαŸ†(Resistance form)αžαžΎαž€αž˜αŸ’αžšαžΆαžŸαŸ‹αžαŸ’αž“αžΆαŸ† Amalgam αžŸαŸ†αžšαžΆαž”αŸ‹αžŸαžΆαž„αžŸαž„αŸ‹αž’αŸ’αž˜αŸαž‰αž”αŸ’αžšαž’αž”αŸ‹ Cavity Class II molars αžšαž”αžŸαŸ‹αž›αŸ„αž€ Black αž“αŸ…αžαŸ†αž”αž“αŸ‹ Axial αž”αŸ‰αž»αž“αŸ’αž˜αžΆαž“?

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αž“αž·αž™αž˜αž“αŸαž™αž”αŸ’αžšαž’αž”αŸ‹ cavity :

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αž€αžΆαžšαž”αŸ’αžšαžΎαž”αŸ’αžšαžΆαžŸαŸ‹αžαŸ’αž“αžΆαŸ† Amalgam αžαŸ’αžšαžΌαžœαž’αŸ’αžœαžΎαž™αŸ‰αžΆαž„αžŽαžΆ αžŠαžΎαž˜αŸ’αž”αžΈαž’αŸ„αž™αž˜αžΆαž“αž—αžΆαž–αžŸαž»αŸ†αžΆαž‘αŸ…αž“αž·αž„αž”αŸ’αžšαž–αŸαž“αŸ’αž’αž‡αžΈαžœαŸˆαž’αŸ’αž˜αŸαž‰?

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αžαžΎαž–αŸαž›αžœαŸαž›αžΆαžŸαž˜αŸ’αžšαŸαž…αž”αžΆαž“αž€αž˜αŸ’αž˜-αž’αŸ†αž–αžΎαž–αž“αŸ’αž›αžΊ (Curing light)αžšαž”αžŸαŸ‹αžαŸ’αž“αžΆαŸ† Compositeαž’αžΆαžŸαŸ’αžšαŸαž™αž›αžΎαž€αžαŸ’αžαžΆαž’αŸ’αžœαžΈαžαŸ’αž›αŸ‡?

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αž€αŸ’αžšαŸ„αž™αž–αžΈαž€αžΆαžαŸ‹αžŸαŸ’αžšαž‘αžΆαž”αŸ‹αž—αŸ’αž›αž»αž€αž’αŸ’αž˜αŸαž‰αž…αŸαž‰αž€αŸ’αž“αž»αž„αž”αžšαž·αž˜αžΆαžŽαž…αŸ’αžšαžΎαž“αž‡αžΆαž„ 2mm αžšαž½αž…αž‘αž»αž€αžŸαŸ’αžšαž‘αžΆαž”αŸ‹αž“αŸ„αŸ‡αž“αŸ…αžœαžΆαž› αž…αŸ†αž αžšαžšαž™αŸ‡αž–αŸαž›14 αžαŸ’αž„αŸƒαž‘αžΎαž„αžαžΎαž‚αŸαžŸαž„αŸ’αž€αŸαžαžƒαžΎαž‰αž’αŸ’αžœαžΈαž€αžΎαžαž‘αžΎαž„αž“αŸ…αž–αŸαž›αž“αŸ„αŸ‡?

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αž‚αž»αžŽαžŸαž˜αŸ’αž”αžαŸ’αžαž·αž€αŸ’αž“αž»αž„αž€αžΆαžšαž”αŸ’αžšαžΎαž”αŸ’αžšαžΆαžŸαŸ‹αžαŸ’αž“αžΆαŸ†αž…αŸ’αžšαžΎαž“αžŸαŸ’αžšαž‘αžΆαž”αŸ‹αžŸαŸ†αžšαžΆαž”αŸ‹αžŸαžΆαž„αžŸαž„αŸ‹αž’αŸ’αž˜αŸαž‰αž‘αžΎαž„αžœαž·αž‰αž€αŸ’αž“αž»αž„αž€αžšαžŽαžΈαž‡αžΆDeep carieαž‚αžΊ

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αž€αž˜αŸ’αžšαžΆαžŸαŸ‹αž“αžΉαž„αž€αž˜αŸ’αž–αžŸαŸ‹αžŸαŸ’αžšαž‘αžΆαž”αŸ‹αž’αŸ’αž˜αŸαž‰αžŠαŸ‚αž›αžαŸ’αžšαžΌαžœαžšαž€αŸ’αžŸαžΆαž‘αž»αž€ αž”αŸ’αžšαž’αž”αŸ‹ Cavity Class IV Atipicsαž•αŸ’αž‘αŸƒαžαžΆαž„ Vestibular αžαž»αžŸαž–αžΈαž”αŸ’αžšαž’αž”αŸ‹ Cavity Class IV tipicαžŸαŸ†αžšαžΆαž”αŸ‹αž’αŸ’αž˜αŸαž‰αž˜αž»αžαž›αžΎ αžαž»αžŸαž‚αŸ’αž“αžΆαžαŸ’αžšαž„αŸ‹αžŽαžΆ?

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αžŸαŸ†αžŽαžΉαž€ (atrition)αžŠαžΎαž˜αž αŸαžαž»αž…αž˜αŸ’αž”αž„αž”αž„αŸ’αž€αž‘αžΎαž„αžŠαŸ„αž™αžŸαžΆαžšαž’αŸ’αžœαžΈ?

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αž‚αž»αžŽαžœαž·αž”αžαŸ’αžαž·αž‚αŸ‚αž˜αž”αŸ’αžšαž’αž”αŸ‹ Cavity αžŸαŸ†αžšαžΆαž”αŸ‹αž‚αŸ’αžšαžΌαž–αŸαž‘αŸ’αž™αž’αŸ’αž˜αŸαž‰αžŠαŸ‚αž›αž“αž·αž™αž˜αž€αžΆαžαŸ‹αž”αž‰αŸ’αž†αžΉαž Cavo-surface

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αžαžΎαž”αŸ’αžšαž—αŸαž‘αžαŸ’αž“αžΆαŸ†Composite αžŠαžΌαž…αž˜αŸ’αžαŸαž…αžŠαŸ‚αž›αž…αžΆαžαŸ‹αž‘αž»αž€αž‡αžΆ Composite αžŠαŸ‚αž›αž˜αžΆαž“αžœαž·αžŸαžΆαž›αž—αžΆαž–αž’αŸ†αž’αŸαž„?

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αž”αž…αŸ’αž…αŸαž€αž‘αŸαžŸαž€αŸ’αž“αž»αž„αž€αžΆαžšαžαž½αž„αžŠαžΆαž€αŸ‹αž›αŸ„αž αŸˆ(Pin) αž€αŸ’αž“αž»αž„αž”αŸ’αžšαž’αž”αŸ‹ CavityαžαŸ’αžšαžΌαžœαžŸαŸ’αžαž·αžαž“αŸ…αžαŸ†αž”αž“αŸ‹αžŽαžΆαžŠαŸ‚αž›αžαŸ’αžšαžΉαž˜αžαŸ’αžšαžΌαžœ?

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αž—αžΆαž–αž˜αž·αž“αžŸαŸ’αžšαž»αŸ‡αžŸαŸ’αžšαž½αž›αžšαž”αžŸαŸ‹αžαŸ’αž“αžΆαŸ† amalgam αž‘αŸ…αž“αžΉαž„αž‡αžΈαžœαžŸαžΆαžŸαŸ’αžšαŸ’αžαž’αŸ’αž˜αŸαž‰αž‚αžΊ

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40. 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“?

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αž€αžΆαžšαž”αŸ’αžšαžΎαž”αŸ’αžšαžΆαžŸαŸ‹αžαŸ’αž“αžΆαŸ† Composite αžŠαžΎαž˜αŸ’αž”αžΈαžŸαžΆαž„αžŸαž„αŸ‹αž’αŸ’αž˜αŸαž‰αž€αŸ’αžšαŸ„αž™αž–αŸαž›αžαž½αž„αžŠαžΆαž€αŸ‹αžαŸ’αž…αŸ…(Pin) αžαžΎαž˜αžΌαž›αž αŸαžαž»αž’αŸ’αžœαžΈ αž€αžΎαžαž‘αžΎαž„αžŠαŸ‚αž›αž”αž„αŸ’αž αžΆαž‰αž’αŸ„αž™αžƒαžΎαž‰αžαžΆαžœαžΆαž†αžΆαž”αŸ‹αž”αŸ’αžαžΌαžšαž–αžŽαŸŒ?

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αž€αŸ’αž“αž»αž„αžŠαŸ†αžŽαžΆαž€αŸ‹αž€αžΆαž› cristalisation phase of Amalgam αž”αŸ’αžšαž–αŸ’αžšαžΉαžαŸ’αžαž‘αŸ…αž€αŸ’αž“αž»αž„αžŠαŸ†αžŽαžΆαž€αŸ‹αž€αžΆαž›αžŽαžΆ?

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αžαžΎαžαŸ’αž“αžΆαŸ†Composite αžŸαž˜αŸαž™αžαŸ’αž˜αžΈ Condensable (packable) composite αž’αžΆαž…αž’αž“αŸ‹ αžšαžΉαž„αž˜αžΆαŸ†αž€αŸ’αž“αž»αž„αž‡αž˜αŸ’αžšαŸ…αž”αŸ’αžšαž’αž”αŸ‹ cavity αž”αŸ’αžšαžœαŸ‚αž„αž”αŸ‰αž»αž“αŸ’αž˜αžΆαž“?

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αž…αŸ†αžŽαžΆαžαŸ‹αžαŸ’αž“αžΆαž€αŸ‹αž”αŸ’αžšαž’αž”αŸ‹ Cavities Class III αžšαž”αžŸαŸ‹ Dr. Black αž˜αžΆαž“αž”αŸ’αžšαž’αž”αŸ‹ Cavity αž˜αž½αž™αžˆαŸ’αž˜αŸ„αŸ‡stricment proximalαŸ” αžαžΎαžšαžΌαž”αžšαžΆαž„αžœαžΆαž˜αžΆαž“αž›αž€αŸ’αžαžŽαŸˆαžŠαžΌαž…αž˜αŸ’αžαŸαž…?

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Dentinal superficial on inter-proximal molars teeth, what which indication for Amalgam filling?

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αž‚αŸ„αž›αžŠαŸ…αž“αŸƒαž€αžΆαžšαžšαŸ€αž”αž…αŸ† cavity αž‡αžΆαžœαž·αž’αžΈαž€αžΆαžšαž–αžΆαžš (prevention):

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Reaction amalgam phase incorrect:

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តើαž₯αž‘αŸ’αž’αž·αž–αž›αž€αŸ†αž›αžΆαŸ†αž„ αž‘αž˜αŸ’αž„αž“αŸ‹(Leading) αžŠαŸ‚αž›αž”αž„αŸ’αž€αžŸαŸ†αžŽαžΉαž€(attrition) αž›αžΎαž•αŸ’αž‘αŸƒαž€αžΆαžαŸ‹αž“αžΉαž„αž•αŸ’αž‘αŸƒαž‘αŸ†αž–αžΆαžš?

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αž›αž€αŸ’αžαžŽαŸˆαžŸαž˜αŸ’αž”αžαŸ’αžαž·αžšαž”αžŸαŸ‹αžŸαŸ†αžŽαžšαž”αŸ‰αžΆαž αžΆαŸ†αž„ Tin αžŠαŸ‚αž›αž”αž„αŸ’αž€αžΎαž Amalgam

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αž‘αžΆαŸ†αž„ low copper ឬ high copper αžšαž”αžŸαŸ‹ AmalgamαžŠαŸ‚αž›αž“αžΆαŸ†αž˜αž»αžαž”αŸ†αž•αŸ’αž›αžΆαž‰αžšαž½αž… αž”αž„αŸ’αž€αž‡αžΆαž…αŸ’αžšαŸαŸ‡-αžŸαŸ’αž“αžΉαž˜ (Corrosion)αžŠαŸ„αž™αžŸαžΆαž’αŸ’αžœαžΈ ?

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αžŸαž€αž˜αŸ’αž˜αž—αžΆαž– tertiary dentin αž˜αžΆαž“αžšαž™αŸˆαž–αŸαž›αž”αŸ‰αž»αž“αŸ’αž˜αžΆαž“αž‘αžΎαž”αž‚αŸαžŸαž“αŸ’αž˜αžαŸ‹αžαžΆαžˆαž”αŸ‹αž˜αžΆαž“?

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