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Noor channel✨
25 de mai. de 2026, 21:49
⚪️ Zinc oxide eugenol cement is the most commonly used cementing medium for T. C and bridge. This cement promote healing and allow easy removal of the temporary restoration
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Noor channel✨
25 de mai. de 2026, 21:49
Lec shade selection ♦️ Without Light Color Does Not Exist ♦️ What is commonly called "the color of a tooth" is actually the color of the reflected light. ♦️ (380 – 750nm) Different wavelengths constitute the different colors we perceive
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Noor channel✨
25 de mai. de 2026, 21:49
🟤 The spectrophotometer consistently and accurately measures natural tooth coloration in reference to any known specific color or can be based on any shading system.
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Noor channel✨
25 de mai. de 2026, 21:49
[poll]
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Noor channel✨
25 de mai. de 2026, 21:49
Lec Bite Registration Record)
🔴Horizontal plane :working (laterotrusive)
Non working (medially)
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Noor channel✨
25 de mai. de 2026, 21:49
Lec shade selection
♦️ Without Light Color Does Not Exist
♦️ What is commonly called "the color of a tooth" is actually the color of the reflected light.
♦️ (380 – 750nm) Different wavelengths
constitute the different colors we perceive
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Noor channel✨
25 de mai. de 2026, 21:49
الانواع مهمه مع المثال
Indirect adhesive bridge:
a) Macro mechanical retention
(Rochette)
b) Medium mechanical retention (Virginia),
c) Micro mechanical retentive (Maryland) and
d) Chemically retention (resin cement)
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Noor channel✨
25 de mai. de 2026, 21:49
◽️ Micromechanical retention (Maryland):The tooth side of the frame work is electrolytically etched with hydrofluoric acidto produce a microscopic undercut
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Noor channel✨
25 de mai. de 2026, 21:49
If the tooth has been missing for a long time, but:
• There has been no significant drifting of adjacent teeth into the space, and
• There is no over-eruption (elongation) of opposing teeth,
• Then the space may be functionally and structurally stable
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Noor channel✨
25 de mai. de 2026, 21:49
• If the patient does not report:
• Any difficulty in chewing (functional),
• Any bite imbalance (occlusal),
• Or any concern about appearance (esthetic),
• Then prosthetic replacement may not be necessary