Conservative Dentistry

Onlay Preparation Onlay preparations are a type of indirect restoration used to restore teeth that have significant loss of structure but still retain enough healthy tooth structure to support a restoration. Onlays are designed to cover one or more cusps of a tooth and are often used when a full crown is not necessary. 1. Definition of Onlay A. Onlay An onlay is a restoration that is fabricated using an indirect procedure, covering one or more cus…

Beveled Conventional Preparation Characteristics External Walls: In a beveled conventional preparation, the external walls are perpendicular to the enamel surface. Beveled Margin: The enamel margin is beveled, which helps to create a smooth transition between the restoration and the tooth structure. Benefits Improved Aesthetics: The beveling technique enhances the aesthetics of the restoration by minimizing the visibility of the margin. …

This system focuses on standardizing the physical characteristics of endodontic instruments, especially files and reamers. Size (Diameter): Measured at the tip (D0), in hundredths of a millimeter. For example, a size 25 file has a tip diameter of 0.25 mm. Taper: The increase in diameter per millimeter of length, typically 0.02 mm/mm for hand files. Color Coding: Each size is assigned a specific color for easy iden…

Early Childhood Caries (ECC) Classification Early Childhood Caries (ECC) is a significant public health concern characterized by the presence of carious lesions in young children. It is classified into three types based on severity, affected teeth, and underlying causes. Understanding these classifications helps in diagnosing, preventing, and managing ECC effectively. Type I ECC (Mild to Moderate) A. Characteristics Affected Teeth: Carious lesions p…

Light-Cure Composites Light-cure composites are resin-based materials that harden when exposed to specific wavelengths of light. They are widely used in dental restorations due to their aesthetic properties, ease of use, and ability to bond to tooth structure. Key Components: Diketone Photoinitiator: The primary photoinitiator used in light-cure composites is camphoroquinone. This compound plays a crucial role in the polymerization process. Visib…