NEET MDS Shorts
83886
OrthodonticsFrankel III appliance is used for Class III malocclusion to promote forward growth of the mandible and correct the skeletal discrepancy.
85439
Orthodontics
Solution This is because elastic supracrestal fibres remodel extremely slowly and can still exert forces capable of displacing a tooth even at 1 year after removal of an orthodontic appliance.
38347
Orthodontics
The cranial vault, which protects the brain, closely follows the neural
growth curve, characterized by rapid growth early in life.
Neural tissue (brain, spinal cord, eyes, and related structures) grows very
rapidly in early childhood, reaching nearly adult size by age 6 or 7. The
cranial vault growth mirrors this to accommodate the expanding brain.
Somatic or general tissue (skeletal, muscular, and most visceral organs) follows
an S-shaped curve, with steady growth in childhood, a rapid spurt during
puberty, and then leveling off.
Dental tissue has a unique growth pattern related to the eruption of deciduous
and permanent teeth.
Genital tissue (reproductive organs) remains largely dormant during childhood
and experiences a dramatic growth spurt during puberty.
52476
OrthodonticsExplanation: Thumb sucking is a common behavior in children and does not always lead to maxillary prognathism, psychological disturbances, or the need for appliance therapy. Many children stop thumb sucking on their own without intervention.
44361
Orthodontics
SOLUTION The two major symptoms of severe crowding in the early mixed dentition are severe irregularity of the erupting permanent incisors and early loss of primary canines caused by eruption of the permanent lateral incisors. The children with the largest arch length discrepancies often have reasonably well aligned incisors in the early mixed dentition, because both primary canines were lost when the lateral incisors erupted After a definitive analysis of the profile and incisor position, these patients face the same decision as those with moderate crowding; whether to expand the arches or extract permanent teeth. In the presence of severe crowding, limited treatment of the problem will not be sufficient and permanent tooth extraction is most likely the best alternative.
61215
OrthodonticsFrankel IV appliance is specifically designed for use during the mixed dentition period to harness growth potential.
84145
OrthodonticsFor an 8-year-old patient with skeletal anterior open bite, treatment involves Frankel appliance combined with high-pull headgear to control vertical growth and promote proper jaw development.
98790
OrthodonticsIntercanine width serves as safety valve for dominant horizontal basal mandibular growth spurt.
88098
OrthodonticsVestibular appliances are designed to influence the vestibular musculature and include oral screen, lip bumper, and Frankel appliance. The activator is an intraoral functional appliance, not vestibular.
91307
Orthodontics