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Conservative Dentistry - 3 Questions
Gingivally, the depth of a class V cavity is typically 0.75-1 mm. This depth is sufficient to provide a good bond with the tooth structure and prevent microleakage without causing significant gingival irritation or damage.
Acid etching is a dental procedure that creates a micromechanical bond between the tooth surface and a restorative material. This bonding process significantly reduces microleakage, which is the microscopic space between the tooth and the restoration where bacteria and fluids can penetrate.
For porcelain inlays, a butt joint or butt-type cavosurface margin is recommended. This design provides maximum bulk of the porcelain at the margin, which is crucial because porcelain is brittle and needs sufficient material thickness to withstand occlusal forces and prevent fracture.
MCQ