CRANIOFACIAL QUESTIONS WITH CORRECT SOLUTIONS
May cause bilabials to be produced as severe labiodentals - Answers Class III occlusion
May include mandibular prognathism - Answers Class III occlusion
A normal skeletal relationship - Answers Class I occlusion
Most likely to be associated with micrognathia - Answers Class II occlusion
Normal skeletal occlusion, but maxillary incisors are inside the mandibular incisors - Answers
Anterior crossbite
May cause the tongue tip to be under the palate rather than the alveolar ridge - Answers Class II
occlusion
Abnormal skeletal occlusion that can cause a frontal lisp as an obligatory behavior - Answers
Class III occlusion
Skeletal malocclusion that can cause a reverse labiodental placement for f/v - Answers Class III
occlusion
Which of the following is not a dental anomaly associated to clefts? - Answers Diastema
During which stage of dental development would palatal orthopedics be done? - Answers Infant
stage (0-12 mo)
Which appliance can sometimes be helpful with speech therapy for correction of palatal-dorsal
productions? - Answers Rapid palatal expander
Which sounds are MOST likely to be affected by a protruding premaxilla? - Answers Bilabials
Which sounds are MOST likely to be affected by an anterior crossbite? - Answers Sibilants
What is the term for the permanent teeth that replace the baby teeth? - Answers Succedaneous
teeth
How many teeth do children have? How many teeth do adults have? - Answers 20; 32
Which of the following statements is true of buccal crossbite? - Answers Occurs when one or
more maxillary teeth are positioned buccally such that the maxillary lingual cusps reside buccal
to the mandibular cusps
Which of the following is MOST commonly seen in individuals with a history of cleft lip and
palate? - Answers Class III occlusion, mandibular protrusion and/or maxillary retrusion
Which dental abnormality occurs when the lower teeth overlap the upper teeth buccally? -
Answers Lateral crossbite
, What is the term for the vertical overlap of the lower incisors over the upper incisors making the
bite deep? - Answers Underbite
What is the term for when the upper teeth are lingual to the lower teeth? - Answers Underjet
What is the term for the horizontal relationship of the upper to the lower incisors? - Answers
Overjet
Which of the following occurs when one or more maxillary teeth fail to occlude with the
opposing mandibular teeth? - Answers Open bite
What is the term that describe the part of the dental arch that is posterior to the canine teeth? -
Answers Buccal
What is the term for teeth that erupt in an abnormal position? - Answers Ectopic
Which of the following is true about the effect of missing teeth on speech? - Answers 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 develop? -
Answers 8 months
In general, at what age is the primary dentition complete? - Answers 24-30 months
What group of sounds is most commonly affected by dental abnormalities? - Answers Sibilants
In which of the following cases is speech therapy always INappropriate? - Answers When there
are obligatory distortions only
Which of the following would be considered a compensatory error due to a class III
malocclusion? - Answers Lateral lisp
Which of the following would be considered an obligatory distortion due to a class III
malocclusion? - Answers Frontal lisp
Which of the following is an example of a low-pressure sentence for evaluation of hypernasality?
- Answers Why are you here?
What is a recommended procedure to elicit speech in a child that is reticent? - Answers Ask
either/or questions
Which series of numbers is best to use when testing for nasal emission? - Answers 60s
Which series of numbers is best to use when testing for hyponasality? - Answers 90s
What phoneme is best to use when testing for hypernasality? - Answers /ɑ/
Which phoneme is best to use when testing for nasal emission? - Answers /s/
May cause bilabials to be produced as severe labiodentals - Answers Class III occlusion
May include mandibular prognathism - Answers Class III occlusion
A normal skeletal relationship - Answers Class I occlusion
Most likely to be associated with micrognathia - Answers Class II occlusion
Normal skeletal occlusion, but maxillary incisors are inside the mandibular incisors - Answers
Anterior crossbite
May cause the tongue tip to be under the palate rather than the alveolar ridge - Answers Class II
occlusion
Abnormal skeletal occlusion that can cause a frontal lisp as an obligatory behavior - Answers
Class III occlusion
Skeletal malocclusion that can cause a reverse labiodental placement for f/v - Answers Class III
occlusion
Which of the following is not a dental anomaly associated to clefts? - Answers Diastema
During which stage of dental development would palatal orthopedics be done? - Answers Infant
stage (0-12 mo)
Which appliance can sometimes be helpful with speech therapy for correction of palatal-dorsal
productions? - Answers Rapid palatal expander
Which sounds are MOST likely to be affected by a protruding premaxilla? - Answers Bilabials
Which sounds are MOST likely to be affected by an anterior crossbite? - Answers Sibilants
What is the term for the permanent teeth that replace the baby teeth? - Answers Succedaneous
teeth
How many teeth do children have? How many teeth do adults have? - Answers 20; 32
Which of the following statements is true of buccal crossbite? - Answers Occurs when one or
more maxillary teeth are positioned buccally such that the maxillary lingual cusps reside buccal
to the mandibular cusps
Which of the following is MOST commonly seen in individuals with a history of cleft lip and
palate? - Answers Class III occlusion, mandibular protrusion and/or maxillary retrusion
Which dental abnormality occurs when the lower teeth overlap the upper teeth buccally? -
Answers Lateral crossbite
, What is the term for the vertical overlap of the lower incisors over the upper incisors making the
bite deep? - Answers Underbite
What is the term for when the upper teeth are lingual to the lower teeth? - Answers Underjet
What is the term for the horizontal relationship of the upper to the lower incisors? - Answers
Overjet
Which of the following occurs when one or more maxillary teeth fail to occlude with the
opposing mandibular teeth? - Answers Open bite
What is the term that describe the part of the dental arch that is posterior to the canine teeth? -
Answers Buccal
What is the term for teeth that erupt in an abnormal position? - Answers Ectopic
Which of the following is true about the effect of missing teeth on speech? - Answers 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 develop? -
Answers 8 months
In general, at what age is the primary dentition complete? - Answers 24-30 months
What group of sounds is most commonly affected by dental abnormalities? - Answers Sibilants
In which of the following cases is speech therapy always INappropriate? - Answers When there
are obligatory distortions only
Which of the following would be considered a compensatory error due to a class III
malocclusion? - Answers Lateral lisp
Which of the following would be considered an obligatory distortion due to a class III
malocclusion? - Answers Frontal lisp
Which of the following is an example of a low-pressure sentence for evaluation of hypernasality?
- Answers Why are you here?
What is a recommended procedure to elicit speech in a child that is reticent? - Answers Ask
either/or questions
Which series of numbers is best to use when testing for nasal emission? - Answers 60s
Which series of numbers is best to use when testing for hyponasality? - Answers 90s
What phoneme is best to use when testing for hypernasality? - Answers /ɑ/
Which phoneme is best to use when testing for nasal emission? - Answers /s/
