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WorksheetsMANAGEMENT OF OPEN BITE
Total questions: 10
Worksheet time: 5mins
Open Bite Malocclusion occur in which plane of Occlusion
Sagittal Plane
Vertical Plane
Transverse Plane
Anterior Open bite can be formally defined as
Positive Overbite of more than 5 mm
Increased overbite
A negative overbite between the Incisal edges of Maxillary and Mandibular Anterior teeth , with posterior teeth in occlusion.
An overlap of 30 to 40% of the Lower Incisors ,by the Maxillary Incisors.
Which is the chief etiological factor of Open Bite?
Skeletal class III Pattern
Prolonged Thumb Sucking Habit
Anticlockwise rotation of Maxillary Base
Short ramus with Long body
According to Jarabak's recommendations ,Vertical growth pattern is expressed by a ratio
More than 65 percent
Between 62 to 65 percent
Less than 62 percent
Lisping of voice associated with Anterior Open bite and Spacing is termed
Bilabial Deformity
Interdental Stigmatism
Apertognathia
Slurring apeech
A dental anterior Open bite involving only Dental and Dentoalveolar structures ,results from
Under eruption of anterior teeth and Overeruption of Posterior teeth
Backward rotation of Lower jaw
Divergent Jaw bases
Mismatch between skeletal size and Tongue size
Features of Skeletal open bite
Clockwise rotation of lower jaw
Divergent jaw bases
Increased anterior facial height in comparison to Posterior facial Height
All of the above
For managing dental anterior open bite , specific Orthodontic elastics used are
Cross Elastics
Class II elastics
Box elastics
Apertognathia
Anterior skeletal open bite
Posterior skeletal open bite
anterior deep bite
Cross bite
Habits which are associated with anterior open bite
Thumb sucking
Tongue thrusting
Both A and B
Lip biting
