Exam IV-Dr. Pinto New Material Flashcards
(39 cards)
Class II, which division? Maxillary anterior teeth flare outward in protrusion
Division I
Class II, which division? Maxillary anterior teeth are lingually inclined retroclined or prognathic maxilla, short retrognathic mandible, brachyofacial growth pattern, or prominent chin, and deep bite.
Division II
75% of Class II skeletal discrepencies are a result of _______ ________
MANDIBULAR RETROGNATHISM
What % of the US population has Class II malocclusion?? (interesting!)
33%
What are two examples of syndromes that can lead to class II malocclusion?
Pierre-Robin & Treacher Collins
Correction of _______ dimension in the non-growing patient includes surgical correction such as Lefort __ orthognathic surgery
VERTICAL…Lefort I
Transverse vertical plane type: usually buccal segments normal with 3-4mm discrepancy at level of WHICH TOOTH? due to narrow arch.
Maxillary 1st Molar
Transverse Vertical Plane Types: Mandibular plane steeper than normal, steeper functional occlusal plane, palate tipped downward, anterior cranial base tipped upward
Type 1
Transverse Vertical Plane Types: Type 1-Mandibular plane ________ than normal, _______ functional occlusal plane, palate tipped _______, anterior cranial base tipped _______
steeper, steeper, downward…upward
Transverse Vertical Plane Types: Type __ Mandibular plane, functional occlusal plane, and palatal plane are FLATTER than normal and nearly PARALLEL
2
Transverse Vertical Plane Types: Type 2 Mandibular plane, functional occlusal plane, and palatal plane are ______ than normal and nearly ______
FLATTER…PARALLEL
Transverse Vertical Plane Types: are type 2 planes usually dolichofacial or brachyofacial?
brachy
Transverse Vertical Plane Types: Type __-Palatal plane tipped upward anteriorly
3
Transverse Vertical Plane Types: Type 3: ______ plane tipped UPWARD anteriorly
palatal
Transverse Vertical Plane Types: Type __ Mandibular plane, functional occlusal plane, and palatal plane are all noticeably tipped downward
4
Transverse Vertical Plane Types: Type 4- Mandibular plane, functional occlusal plane, and palatal plane are all noticeably tipped _______
downward
Transverse Vertical Plane Types: Type ___ - Palatal plane and cranial base are tipped DOWNWARD
5
Transverse Vertical Plane Types: Type 5-Palatal plane and cranial base are tipped ________
DOWNWARD
A Class II with equal skeletal positions of the maxilla and mandible, but slight class II molar position is considered what TYPE of class II?
“normal”
What type of class II has normal class I molars and skeletal position, but proclined maxillary incisors?
TYPE A
Class II-Type ___: Maxillary prognathism with dental protraction
B
Class II-Type ___: Maxillary retrognathism with flared oOR upright incisors and severe mandibular retrognathism with flared lower incisors
C
Class II-Type ___: Maxillary retrognathism with dental protraction and severe mandibular retrognathism
D (D for DOUBLE surgery for treatment)
Class II Type __: Maxillary prgnathism and dental protraction with mandibular dental flaring
E