Term
| Frontal = open/deep bite, Transverse = cross bite/narrow arch, Sagittal/A-P = Class I-III classification |
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Definition
| The ___ plane is where you would note open bite or deep bite. The ___ plane is where you would note cross bites and narrow arches. The ___ plane is where you would note Class I-III classifications. |
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Term
| MB cusp of the Max 1st molar, B groove of the Mand 1st molar |
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Definition
| Angle's Classification is based on the ___ cusp of the maxillary ____ molar and the ___ groove of the mandibular ___ molar. |
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Term
| It only classifies in one plane of space, does not deal with open bite, cross bite, etc. |
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Definition
| What is the major problem with the Angle Classification? |
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Term
| I = straight, II = convex, III = concave |
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Definition
| What are the usual profiles of Class I, II and III? |
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Term
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Definition
| Class __ is considered neutroclusion and it is when the MB cusp of the Max 1st molar articulates with the B groove of the Mand 1st molar. |
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Term
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Definition
| Class ___ is considered distoclusion and it is when the B groove of the Mand 1st molar articulates distal to the MB cusp of the Max 1st molar. Mandible is retruded/distal. |
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Term
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Definition
| Class II, division __ refers to maxillary incisors which are in labioversion. |
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Term
| Overjet is measured from the labial of the lower incisors to the palatal of upper incisors. |
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Definition
| Overjet is measured from the ___ of the lower incisors to the ___ of upper incisors. |
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Term
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Definition
| Class II, division ___ refers to central insisors that are relatively well-positioned and laterals that are tipped labially/mesially/both. Often associated with deep bite. |
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Term
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Definition
| Class ___ is considered mesioclusion and it is when the B groove of the mand 1st molar articulates mesial to the MB cusp of the max 1st molar. |
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Term
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Definition
| T/F: In a class III, the lower incisors are often quite upright or in an end-to-end position/cross bite with upper incisors. |
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Term
| Hypodivergent = brachycephalic (short head) |
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Definition
| ___ is when a person has a shorter lower face, deep bite, wear on teeth, usually broader face w/large muscles of mastication. They are horizontal growers also called ____. |
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Term
| hyperdivergent = doliocephalic |
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Definition
| ___ people have long lower faces with open bites, vertical growing, weak muscles of mastication and are also called ____ (long face) |
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Term
| 36mm measured at the closest marginal gingiva of the permanent 1st molars |
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Definition
| The average intermolar width is ____ mm and it is measured where? |
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Term
__EDCBA|ABCDE__ and _87654321|12345678_
EDCBA|ABCDE 87654321|12345678 |
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Definition
| Make sure to check out the stupid way that orthodontists "number" teeth... |
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Term
| 1s = permanent central incisors; Cs = primary canines; 3s = permanent canines; 8s = permanent third molars |
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Definition
| 1s = ___ ___ ___; Cs = ___ ___; 3s = ___ ___; 8s = ___ ___ ___ |
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Term
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Definition
| ___ is a quantitative measuring medium for obtaining descriptive information on the dentofacial pattern at a single given point in time. It does not present information on the quality of growth development. |
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Term
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Definition
| T/F: Landmarks are preferably located on the mid-sagittal plane and should not exhibit extreme changes as a result of growth. |
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Term
| Sella (S) = sella turcica; nasion (N) = anterior point of frontonasal suture; pogonion (Pog) = anterior point of bony chin |
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Definition
| ___ is the center of the sella turcica where the pituitary gland is found. ___ is the most anterior point of the frontonasal suture. ___ is the most anterior point on the bony chin or symphysis. |
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Term
| gnathion (Gn) = anterior/inferior point on bony chin; menton (Me) = inferior point on bony chin; mandibular plane (MP) = best fit along lower border of mandible |
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Definition
| ___ is the most anterior/inferior point on bony chin. ___ is the most inferior point on the bony chin. ___ ___ is the best fit tangent line along lower border of mandible. |
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Term
| porion (Po) = most superior of external auditory meatus; Orbitale (Or) = lowest point of bony orbit |
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Definition
| ___ is the most superior point of external auditory meatus. ___ is the lowest point of bony orbit. |
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Term
| A point (A-pt.) = deepest point of curve of anterior portion of maxillary alveolar process |
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Definition
| ___ ___ is the deepest point of the curve of the anterior portion of the maxillary alveolar process (usually apical 1/3 of root of central incisor) |
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Term
| B point (B-pt.) = deepest point on the curve of the anterior portion of the mandibular alveolar process |
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Definition
| ___ ___ is the deepest point on the curve of the anterior portion of the mandibular alveolar process. |
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Term
| sella-nasion plane (S-N plane) |
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Definition
| ___-___ is the reference plane that all other planes are done relative to. It is often refered to as the anterior cranial base. |
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Term
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Definition
| ___-___-___ is the anterior-posterior relationship of the maxilla. Normal is 82. >84 would interpret as protruded maxilla. <80 would interpret as retruded maxilla. |
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Term
| 82 is normal, 84+ is protruded maxilla, <80 is retruded maxilla |
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Definition
| According to the SNA relationship of the maxilla, 82 is ____, 84+ is ___ and <80 is ___. |
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Term
| 80 normal, 82+ protruded, <78 retruded mandible (class II) |
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Definition
| According to the SNB relationship of the mandible, ___ is normal, ___ is a protruded mandible, and ___ is a retruded mandible. |
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Term
| 2 degrees, skeletal class I |
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Definition
| According to the ANB difference, ___ degrees is normal = skeletal class __. |
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Term
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Definition
| According to the ANB difference, 4 degrees = skeletal class __. |
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Term
| skeletal class III = 0 degrees |
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Definition
| According to the ANB difference, ___ degrees is normal = skeletal class III. |
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Term
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Definition
| T/F: It is possible to have a skeletal deep bite and a dental open bite. |
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Term
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Definition
| T/F: It is possible to have a class II skeletal relationship and a class I molar/dental angle classification. |
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Term
| SN-MP describes vertical growth. 32 degrees is normal, 34 degrees or greater is doliocephalic (open bite), 30 degrees of less is brachycephalic (deep bite). |
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Definition
| SN-MP describes (vertical/horizontal) growth. ___ degrees is normal, ___ degrees or greater is doliocephalic (open bite), ___ degrees of less is brachycephalic (deep bite). |
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Term
| 1-SN = measure upper incisor inclination; normal = 103 +/-4; greater # = division 1, lesser # = division 2 |
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Definition
| ____ = a measure of upper incisor inclination. Normal is 103 +/-4. Larger measurements result in proclined tooth (Division ___), while lesser measurements result in reclined tooth (division ___) |
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Term
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Definition
| ___% of individuals with TMD are female. |
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Term
| Both false! Low prevalence in old people, improves with therapy |
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Definition
| T/F: There is a high prevalence of TMD in older age groups and the vast majority worsens with conservative, reversible, noninvasive therapy. |
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Term
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Definition
| T/F: TMD is self-limiting in nature. |
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Term
| Oral hygiene, periodontal status and caries risk |
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Definition
| Name 3 things you must assess before orthodontics are placed. |
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Term
| Topical anesthesia, cut wires, remove/replace brackets |
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Definition
| What 3 things are considered palliative care provided by a dental hygienist? |
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Term
| Short, vibrating strokes at 45 degree angle toward gingival sulcus. |
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Definition
| Explain the Bass Technique of toothbrushing. |
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Term
| Vibrating, rolling motion over the tooth and gingiva at 45 degree angle toward sulcus. |
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Definition
| Explain the Modified Stillman method of toothbrushing. |
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Term
| Bristles are directed at 45 degree angle toward occlusal plane while vibrating the brush keeps filaments in contact with the gingiva and bracket. |
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Definition
| Explain the Charters Method of toothbrushing. |
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Term
| mechanical = 66%, electric = 84% |
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Definition
| Clinical studies show that after cleaning with a (mechanical/electric) toothbrush, teeth are 66% plaque free. Teeth are 84% plaque free with a (mechanical/electric) toothbrush. |
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Term
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Definition
| T/F: Prophy paste is highly abrasive and therefore should not be used on patients with orthodontics. |
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Term
| False! CLEANIC changes from coarse to fine |
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Definition
| T/F: Prophy paste changes from coarse grained to fine grained under use of pressure and therefore is an excellent choice for patients with orthodontics. |
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Term
| 1. HTN, 2. renal disease, 3. sodium restricted diets, 4. exposed cementum/dentin, 5. soft/spongy gingiva, 6. non-metalic restorations, 7. gold restorations |
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Definition
| Name a couple of contraindications for the use of air polishing. |
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