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Periodontics II

Test Three

Dental restorations play a significant role in maintaining oral health. True
Any trauma from occlusion should be eliminated prior to beginning restorative procedures. True
A hard acrylic biteguard should be fabricated for all patients with parafunctional habits. True
Temporary restorations should have the same fit and contour as the final restorations. True
Stainless steel crowns are not intended for use as permanent restorations in the permanent dentition. True
It is essential that margins of dental restorations be kept supra- gingival whenever possible. True
Gingival and periodontal disease must be eliminated before restorative procedures are begun True
Which of the following is true regarding overhanging margins of restorations? A) Can result in gingival bleeding, increased pocket depth, and bone loss B) May result in recurrent caries C) All of the above D) A contributin factor in perio disease All of the above
Long-term temporary restorations A) are called provisional restorations B) may remain in place for weeks C) should have the same fit, contour, occlusion, and margins as the permanent restoration D) all of the above all of the above
The finishing and polishing of amalgams is indicated for which circumstances? surface irregularities
A restoration that is used when one or more cusps of a tooth are in need of replacement, but a full crown is not indicated is a/an onlay
replacement of missing tooth structure, teeth, or oral tissues restoration
modifying the occlusal surfaces of the teeth in order to evenly distribute the stress of occlusal forces equilibration
approximately 1-2 mm necessary between the apical margin of the restoration and the junctional epithelium and underlying connective tissue fibers biologic width
the cellular or tissue response to a material biocompatibility
fabrication of the restoration within the confines of the cavity preparation itself direct restoration
fabrication of the restoration outside of the mouth, and later placed on/in the tooth indirect restoration
When evaluating restorative work there are 4 factors which affect the tooth/tissue relationship morphology, contour, margins, biocompatibility of materials
The sequence of therapy is to place temporaries, partial and crowns then remove hopeless teeth False
Periodontal disease remains the most frequent reason for loss of tooth structure, and affects the majority of the population False
a broad term applied to any material or prosthesis that restores or replaces lost tooth structure, teeth, or oral tissues restoration
outside or external to the crown portion of a natural tooth: includes "veneers" extracoronal restorations
located "within the confines of the cusps" and normal proximal axial contour intracoronal restorations
fabricated "within" the confines of the preparation: typically composed of materials that harden or polymerize after placement in the preparation direct restorations
the removal of caries-altered tooth structure to render it capable of receiving a dental restoration cavity preparation
those which are "formed partially or wholly outside" the tooth preparation, often from an impression and subsequent cast of the preparation indirect restorations
imperfect interface between the margin of a restoration and the tooth microleakage
The material with the best marginal quality and lowest microleakage of those not bonded to the teeth is Gold
Overdentures can only be placed over implants, not natural teeth False
Primary occlusal trauma is normal forces on a healthy periodontium, Secondary occlusal trauma is normal or abnormal forces on already compromised periodontium The first statement is false and the second statement is true
Created by: daisenmurray