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What is the role of auxiliary materials in dental practice?
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Auxiliary materials assist in the fabrication of prostheses, such as dental waxes, used as aids in constructing dental devices.
What are the physical properties of dental materials and why are they important?
Physical properties include strength and elasticity, which affect the material's performance and durability in the oral environment.
How do stress and strain relate to the mechanical properties of dental materials?
Stress is the force applied, while strain is the material's deformation response, important for predicting material failure.
Why is patient education important in the context of dental material use?
It helps patients understand the procedures, expected outcomes, and care instructions, increasing compliance and satisfaction.
Explain the historical use of dental materials from 3000 BC to modern times.
Materials evolved from natural elements like teeth and seashells to advanced materials like metals and synthetics introduced by pioneering dentists.
Who is considered the father of modern dentistry and what was his contribution to dental materials?
Fauchard is known as the father of modern dentistry, mainly for introducing amalgam as a restorative material.
What are preventive dental materials and give examples?
Preventive materials are used to prevent disease, such as sealants and fluoride treatments.
Describe the concept of thermal expansion in dental materials and its clinical significance.
Thermal expansion refers to materials expanding or contracting with temperature changes, which is crucial for maintaining restoration stability.
How do hardness and toughness influence material choice for dental restorations?
Hardness determines resistance to scratching, while toughness indicates a material's ability to absorb energy without fracturing.
What is the importance of understanding professional literature in dental science?
It enables practitioners to understand current practices, new technologies, and properly inform and educate patients.
What role does galvanism play in dental material selection?
Galvanism involves electrical current flow due to metal contact, which can cause discomfort or corrosion in mixed-metal restorations.
What is the significance of understanding sorption and solubility in dental materials?
Sorption affects how materials absorb substances, and solubility affects longevity and performance, impacting the success of restorations.
How do biocompatibility and aesthetics factor into the selection of ideal restorative materials?
Biocompatibility ensures materials are non-toxic and non-irritating to tissues, while aesthetics ensures the materials visually match the natural teeth.
Why is it important to choose the correct dental material for specific cases?
Proper selection ensures effective restoration, safety, and patient satisfaction.
Differentiate between direct and indirect restorative materials.
Direct materials are applied and set inside the patient's mouth, while indirect materials are fabricated externally and then installed.
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