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Flashcards in Test 1 Deck (131)
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121

What spacial planes do you use to do the facial examination?

AP, vertical transverse.

122

Classes for Facial Pattern-Draw Line

Bridge of nose to base of upper lip to chin. Class 1: Slightly convex. Class 2: Convex. Class 3: concave

123

How do you evaluate MX and MN jaw for deficiency or excess?

Drop perp line from bridge of nose. Normal is upper lip on or near the line with chin slightly behind.

124

How do you examine vertical face relationship?

Normal relationship is face is divided into equal thirds with the hairline, bridge of nose, base of upper lip and bottom of chin. Lower 3rd can be slightly larger and still be considered well proportioned.

125

In 3-6 year olds where do the lips lie when you draw a line from the tip of the nose to the most anterior point of the chin?

1 mm anterior. older, lip lies behind the line.

126

What happens to nose chin and lips in adolescents?

Growth in nose and chin and thinning of the soft tissue of the lips.

127

How do you assess for asymmetries?

Look down on the patient, drawing a line down the midline with floss. Check for facial midline matching the MX and MN dental midline and check for posterior crossbites?

128

Developmental space

Space between all teeth in primary dentition

129

Primate space

Mesial to MXX canine and distal to MN canine.

130

What is the most commonly missing primary tooth?

MX Lateral.

131

Ankylosis

Tooth is fused to the bone and other teeth continue to erupt leaving the ankylosed tooth behind. Most common are MN then MX. Most exfoliate with eruption of permanent successor.