Composite resin Study guides, Class notes & Summaries

Chapter 01: Introduction to Dental Materials MULTIPLE CHOICE 1. Until 1970, which of the following groups of dental auxiliaries were allowed to perform intraoral functions in all states? 1. Dental hygienists 2. Registered dental assistants 3. Certified dental assistants 4. On-the-job trained dental assistants a. 1, 2, 3, 4 b. 1, 2, 3 c. 1, 2 d. 1 ANS: D Until 1970, only the dental hygienist was allowed to perform intraoral functions in all states. Although laws vary ...

material subject to repeated stress such as in mastication may be subject to fracture due to - ANSWER-fatigue failure Galvanism - ANSWER-The phenomenon of electric current being transmitted between two dissimilar metal Thermal conductivity - ANSWER-The rate at which heat flows through material over time internal reaction to an externally applied force is called - ANSWER-stress Retainer - ANSWER-part of bridge that fits over the abutment Pontic - ANSWER-false/artificial tooth Ab...

is defined as a mixture of two or more metalsAnswer - alloy A liquid with high viscosity flow easily and effective in setting a surfaceAnswer - Does not; is not Dental restoration materials that are applied, while pliable, to a tooth or teeth and can be adopted, carved and finished are classified asAnswer - Direct restoration Is added to dental amalgam alloy powder for strengthAnswer - Zinc The resin matrix component of composite is dimethacrylate, a fluid-like material also refe...

One problem with polymers is their high coefficients of thermal expansion. These coefficients can be _____ to _____ times greater than that of tooth structure. a. 1 to 3 b. 3 to 5 c. 2 to 5 d. 2 to 10 correct answer: d. 2 to 10 Which of the following components of restorative resins acts as a "coating" and serves to transfer stress from a weak component to a stronger one? a. Matrix b. Filler particle c. Silane coupling agent d. Polymers e. Adhesives correct answer: c. Silane coup...

PCD Spring 2024 Exam 1 Indications of RBC Caries lesions (small to moderate) Esthetics (tooth color) Conservative (outline, shallow, round) Replacements of composites (questionable) Advantages of RBC Esthetics Conservative Adhesion to tooth structure Low thermal conductivity Elimination of galvanic issues Alternative to amalgam? What is necessary in amalgam preps? 90 degree CSM Reverse curve Adequate depth Buccal/lingual convergence Rounded internal line angles Retention for...

Who was the first woman to graduate from a recognized dental college? - Lucy B. Hobbs-Taylor What are the conditions that would indicate the need for restorative dentistry? - - initial or recurring decay - replacement or failed restorations - abrasion or wearing away of tooth structure True or False: Aesthetic dentistry is primarily devoted to improving the appearance of teeth; specific conditions that indicate a need for aesthetic treatment include the replacement of a partial denture. -...

EFDA Practice Exam (Restorative Functions) Questions And Answers 2024/2025 A+ 1 / 24 1. What is used to stabilize a Tofflemire matrix band at the gingival margin of a tooth? -Floss -Wooden wedge -Retraction cord -Metal clamp 2. Which of the following are involved in a Class II cavity restoration? -Anterior mesial and interproximal surfaces -Posterior mesial and occlusal surfaces -Anterior distal and occlusal surface -Posterior one surface with pits and fissures 3. What are the fo...

NBDE 2004 released exam questions & answers 1. The highest incidence of caries around Class II composite resin restorations occurs on which of the following margins? - ANSWERSGingival Proximal 2. In a Class II cavity preparation, preparing the gingival wall at a right angle to the long axis of the tooth is a function of which of the following? - ANSWERSResistance Form 3. While preparing tooth #9 for an ideal class II distal composite, the enamel on the gingival seat has the appearance...

NDAEB Exam Prep . 292 Questions and Correct Answers, With Complete Solution 2024. Actual Exam Questions Included. What two basic methods are used to acquire a digital x-ray image? Direct imaging(sensor) & indirect imaging(PSP) Advantages of Digital Radiography Immediate viewing of images, less radiation, no chemicals, ability to enhance images, communication with other dentists, no more lost films, remote consultation capability Disadvantages of Digital Radiography Cost, converting previou...

Who was the first woman to graduate from a recognized dental college? - correct answer Lucy B. Hobbs-Taylor What are the conditions that would indicate the need for restorative dentistry? - correct answer - initial or recurring decay - replacement or failed restorations - abrasion or wearing away of tooth structure True or False: Aesthetic dentistry is primarily devoted to improving the appearance of teeth; specific conditions that indicate a need for aesthetic treatment include the ...