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Describe a Class III occlusion.
_may cause bilabials to be produced as reverse labiodental
_may include mandibular prognathism
_skeletal malocclusion that can cause a reverse labiodental placement for f/v
Describe Class I occlusion.
a normal skeletal relationship
Describe Class II occlusion.
_most likely to be associated with micrognathia
_may cause tongue tip to be under the palate rather than alveolar ridge
Describe an anterior cross bite.
_normal skeletal occlusion, but maxillary incisors are inside the mandibular incisors
_abnormal skeletal occlusion that can cause a frontal lisp as an obligatory error
What is NOT a dental anomaly associated with clefts?
diastema
During which stage of dental development would palatal orthopedics be done?
Infant Stage (0 to 12 months)
Which appliance can sometimes be helpful with speech therapy for correction of
palatal-dorsal productions?
quad helix appliance
Which sounds are most likely to be affected by a protruding premaxilla?
bilabials
Which sounds are most likely to be affected by an anterior cross bite?
sibilants
What is the term for the permanent teeth that replace the baby teeth?
succedaneous teeth
How many teeth do children have? How many teeth do adults have?
20; 32
What is true of a buccal crossbite?
occurs when one or more maxillary teeth are positioned buccally such that the maxillary
lingual cusps reside buccal to the mandibular cusps
What is most commonly seen in individuals with a history of cleft lip and palate?
Class III malocclusion: mandibular protrusion and/or maxillary retrusion
Which dental abnormality occurs when the lower teeth overlap the upper teeth
buccally?
anterior crossbite
What is the term for the vertical overlap of the lower incisors over the upper
incisors making the bite deep?
Underbite
What is the term for when the upper teeth are lingual to the lower teeth?
Underjet
, What is the term for the horizontal relationship of the upper to the lower incisors?
Overjet
What occurs when one or more maxillary teeth fail to occlude with the opposing
mandibular teeth?
open bite
What is the term that describes the part of the dental arch that is posterior to the
canine teeth?
buccal
What is the term for teeth that erupt in an abnormal position?
ectopic
What is true about the effect of missing teeth on speech?
the effect on speech depends on the size of the oral cavity
At about what age does an infant's first tooth (primary lower incisors) begin to
erupt?
8 months
In general, at what age is the primary dentition complete?
24 to 30 months
What groups of sounds is most commonly affected by dental abnormalities?
sibilants
In what case is speech therapy always inappropriate?
when there are obligatory distortions only
What would be considered a compensatory error due to a Class III malocclusion?
lateral lisp
What would be considered an obligatory distortion due to a Class III
malocclusion?
frontal lisp
Which is an example of a low-pressure sentence for evaluation of hypernasality?
Why are you here?
What is a recommended procedure to elicit speech in a child that is reticent?
ask either/or questions
Which series of numbers is best to use when testing for nasal emission?
60s
Which series of numbers is best to use when testing for hyponasality?
90s
What phoneme is best to use when testing for hypernaslity?
/ɑ/
Which phoneme is best to use when testing for nasal emission?
/s/
If you use the nasal cul-de-sac test and you hear a difference on production of a
vowel, this confirms the diagnosis of which of the following?
hypernasality
Which of the following groups of sounds will never have nasal emission as a
result of an oronasal fistula in the area of the incisive foramen?
velars
Which is not an effective way for assessing hypernasality, nasal emission, and
velopharyngeal function?