2. Evaluation of the Face and Basic Terminology Flashcards
3
By when will most children show eruption of primary incisors?
3
When will most children show complete eruption of the primary dentition?
3
What is more important than the child’s age at the time of eruption of a specific tooth?
3
What succeedes primary molars?
5
Know the primary tooth eruption sequence.
8
What is the alternate form for numbering primary dentition often used by Orthodontists and pre-formed crown manufacturers?
15
What is the alternate system for numbering the primary dentition often utilized by Orthodontists and preformed crown manufacturers?
16
When does primary tooth eruption begin and when is it typically complete by?
16
Which primary teeth erupt first?
16
Which primary teeth typically erupt last?
16
What is the eruption sequence of primary teeth in both the maxillary and mandibular arches?
16
By what age is primary occlusion typically established?
16
What is the eruption sequence of permanent teeth in the maxilla?
16
What is the eruption sequence of permanent teeth in the mandible?
17
What is the definition of overbite?
17
How is overbite typically reported?
17
What is the normal range for the percentage of overbite?
17
When analyzing overbite in pediatric patients, what must you often take into account?
18
What is it called when there is no vertical overlap of the central incisors?
18
What is relative vertical position of the central incisors recorded as in anterior open bite cases?
18
What are two potential causes of overbite?
18
What are three examples of common extrinsic factors that cause open bite in children?
19
What is it important to look for in deep bite cases?
20
What is the definition of overjet?
What is overjet typically reported as?
20
What is the normal range for overjet?
21
How is the overjet expressed if the maxillary central incisor is lingual to the labial surface of the mandibular incisor? What are these patients often classified as having?
22
How many parts is the face broken up into when doing Frontal Plane Horizontal Assessment?
22
What determines the central and medial fifths in Frontal Plane Horizontal Assesssment?
22
Where should the nose and chin be centered within for frontal plane horizontal assessment?
22
How should the nose compare to the central fifth in frontal plane horizontal assessment?
22
What should interpupillary distance equal in frontal plane horizontal assessment?
23
How is the face broken up when doing frontal plane vertical assessment?
23
In frontal plane vertical assessment, an ideally proportional face can be divided into equal thirds, but there is acceptance for the ____ third to be slightly longer than the ____ third.
23
In frontal plane vertical assessment, the lower facial third can be subdivided again into thirds again with the mouth being where relative to the base of the nose and chin?
24
What does dolichofacial mean?
24
What does mesiofacial mean?
24
What does brachyfacial mean?
25
What does a facial profile convexity or concavity result from a disproportion in?
25
Can you determine which jaw (maxilla or mandible) is causing facial disharmony just by determining the facial profile?
25
What class of jaw relationship does a convex facial profile indicate? What can this result from?
25
What class of jaw relationship does a concave profile indicate?
26
What is the Frankfort horizontal plane frequently used in the analysis of?
26
What is the Frankfort Horizontal plane defined as?
26
Where does the vertical reference line often added perpendicular to the Frankfort Horizontal line run through?
27
What is the facial plane angle defined as?
27
What does the faical plane angle determine?
27
What is the clinical norm for the facial plane angle? What is the clinical deviation?
27
What does a facial plane angle greater than 90 indicate?
27
What does a facial profile less than 90 degrees indicate?
28
What is the technique used to visualize the mandibular plane?
28
What is the mandibular plane angle defined as?
28
What is the clinical norm for the mandibular plane angle? What is the clinical deviation?
28
What does a mandibular plane angle greater than 31 degrees indicate?
28
What does a facial plane angle of less than 21 degrees indicate?
29
What is the nasolabial angle defined as?
29
What does the nasolabial angle provide an assessment of?
29
What is the clinical norm for the nasolabial angle?
29
What does a nasolabial angle greater than 114 degrees indicate?
29
What may a nasolabial angle less than 96 degrees be associated with?
30
What is the definition of the aesthetic plane (E-plane)
30
What is the definition of lip protrusion?
30
What is the interpretation of the lip protrusion measurement?
30
What is the clinical norm for the lip protrusion measurement at 8.5 years old and at adulthood?
30
What is the clinical deviation of lip protrusion measurement?
