Direct Anterior Restorations Flashcards
(29 cards)
What is the most pleasing width/length ratio for maxillary central incisors?
75% - 80% in a pleasant smile
Mesial outline of Central Incisors
straight/slightly convex
Distal outline of Central Incisors
more convex
What is the base chroma determined by?
Dentin
What is primarily responsible for regulating the value (translucency)?
Enamel
What can affect the perceived size, shape and position of the teeth?
surface texture
What are the horizontal lines, that are a direct result of the lines of growth, leaving fine parallel stripes on the enamel surface, called?
perikymata
What part of the tooth is the brightest?
middle 1/3
What part of the tooth has the lowest value?
incisal 1/3
What shade guide is reddish brown?
A
What shade guide is reddish yellow?
B
What shade guide is grey?
C
What shade guide is reddish grey?
D
Where do you move the contact points to make the tooth appear wider?
further labially
How does putting darker composite interproximally affect the tooth’s width?
narrows
What affect does moving the line angle in a lateral direction have on visual tooth width?
widen
What affect does bigger incisal embrasures have on the tooth width?
narrow
What affect does lighter composite in the cervical region have on tooth length?
lengthens
What is the result of not placing bevels in a class IV restoration?
white halo effect around the edge of your restoration
What are the most important lanes with regard to polymerization?
innermost layer
surface of restoration
What shades of composite is used for smaller diastema?
enamel shades
If there is 5mm or less from the crest of the bone to the contact, will there be a black triangle in the gingival embrasure?
no 99% of the time
Process of producing a desired anatomic form by cutting away excess material
Contouring
Process of removing surface defects or scratches created during the contouring process through the use of cutting or grinding instruments or both
Finishing
