A mechanical bond is accomplished when the sealant flows into the irregularities of the treated enamel and locks into place
a. True
b. False
Indicate whether the statement is true or false
True
RATIONALE: Composite sealants bond to the tooth mechanically. The mechanical bond is accomplished when the sealant flows into the irregularities of the treated enamel and locks into place.
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Which of the following statements regarding lintels is MOST accurate?
A) Lintels are used to support two or more floors of masonry walls in a showroom with large windows. B) A lintel over a garage door opening would only need to support the weight of a triangular section above the door. C) Lintels are frequently made of wood. D) Lintels are used over openings in masonry walls because the mortar joints provide little tensile strength.
The purpose of practicing proper body mechanics is primarily to:
A. reduce wear and tear on the ECG machine. B. prevent injuries to yourself or the patient. C. control the spread of infection. D. reduce artifacts on the ECG tracing.