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Dental Amalgam: SAQs for Viva Voce
SAQ 1. A patient arrives at your office and expresses concern about mercury from dental amalgam causing her harm. What will you tell this patient to reassure her about the safety of amalgam?
ANSWER:
You will tell about three facts of dental amalgam fillings:
(1) The mercury that is in an amalgam is not free and never released into the body. It is always tied up chemically in the dental amalgam matrix. The majority of bound mercury never leaves the dental amalgam mass. (more…)
Role of Zinc in Silver Amalgam
Role of Zinc in Silver Amalgam
Zinc as such does not participate in the amalgamation process or in the setting reaction of silver amalgam alloy with mercury during and after the completion of the restoration process. (more…)
Dental Amalgam Alloys
Dental Amalgam
In this section, we shall discuss the composition, type and properties of the dental amalgams alloys used for restoration purpose in posterior teeth as per following format. The source of these notes, MCQs and explanation is Phillips’ Science of Dental Materials, 12th Ed and Sturtevant’s Art and Science of Operative Dentistry.
Why is Zinc Not Added to Dental Amalgam?
Why is Zinc Not Added to Dental Amalgam?
Zinc as such does not participate in the amalgamation process or in the setting reaction of silver amalgam alloy with mercury during and after the completion of the restoration process.
Dental Burs
Dental Burs
Diamond burs are generally used for reducing tooth structures to prepare cavities for restorations or place crowns or porcelain veneers. Diamonds may also be used to smooth, refine, and polish composite or porcelain material.
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Odontogenic Keratocyst
Odontogenic keratocysts are parakeratin lined cyst-like lesions/tumors within bone. They constitute 4-12% of all odontogenic cysts and peak in second and third decade of life.…
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Dentigerous/Follicular Cysts
Dentigerous cysts are the second most commonly occurring odontogenic cysts after periapical cyst and the most common developmental cysts of the jaws. Continue reading →
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Periapical/Radicular Cyst
A cyst is defined as “an epithelial lined pathologic cavity”. The periapical/radicular cyst is an odontogenic cyst. The classification of … Continue reading →
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ADC Exam: Written & Practical explained
You will know, understand and become confident about ADC written and practical examinations' application process, syllabus, how & what to prepare for success. Continue reading…
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Sequelae of Infection of Dental Pulp
Periapical infection with Streptococci & Staphylococci Majority of streptococci produce hyaluronidase, an enzyme that dissolves hyaluronic acid which is a … Continue reading →
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