Effective timing for the application of orthopedic force in the skeletal class III malocclusion. 1981

T Sakamoto

The purpose of this study was to investigate the most effective treatment timing with the chin cup in the treatment of the skeletal Class III malocclusion. The materials consisted of sixty-one cephalometric roentgenograms of seventeen males and forty-four females treated with the chin cup. Ages of children in the sample ranged from 3 years 11 months to 12 years 8 months at the beginning of active treatment. The A-B differences before and after treatment were measured to analyze the skeletal change that occurred. although the anterior cross-bite was corrected in all cases, the final values of the A-B differences were dependent upon the age treatment was started and the level of disharmony before treatment. The final values showed more improvement in the younger age group in the group with milder disharmony before treatment.

UI MeSH Term Description Entries
D008297 Male Males
D008310 Malocclusion Such malposition and contact of the maxillary and mandibular teeth as to interfere with the highest efficiency during the excursive movements of the jaw that are essential for mastication. (Jablonski, Illustrated Dictionary of Dentistry, 1982) Angle's Classification,Crossbite,Tooth Crowding,Cross Bite,Angle Classification,Angles Classification,Bite, Cross,Bites, Cross,Classification, Angle's,Cross Bites,Crossbites,Crowding, Tooth,Crowdings, Tooth,Malocclusions
D008313 Malocclusion, Angle Class III Malocclusion in which the mandible is anterior to the maxilla as reflected by the first relationship of the first permanent molar (mesioclusion). Angle Class III,Habsburg Jaw,Hapsburg Jaw,Prognathism, Mandibular,Underbite
D009968 Orthodontic Appliances, Removable Dental devices such as RETAINERS, ORTHODONTIC used to improve gaps in teeth and structure of the jaws. These devices can be removed and reinserted at will. Clear Aligner Appliances,Clear Dental Braces,Invisalign,Aligner Appliance, Clear,Aligner Appliances, Clear,Appliance, Clear Aligner,Appliance, Removable Orthodontic,Appliances, Clear Aligner,Appliances, Removable Orthodontic,Brace, Clear Dental,Braces, Clear Dental,Clear Aligner Appliance,Clear Dental Brace,Dental Brace, Clear,Dental Braces, Clear,Orthodontic Appliance, Removable,Removable Orthodontic Appliance,Removable Orthodontic Appliances
D002508 Cephalometry The measurement of the dimensions of the HEAD. Craniometry
D002648 Child A person 6 to 12 years of age. An individual 2 to 5 years old is CHILD, PRESCHOOL. Children
D002675 Child, Preschool A child between the ages of 2 and 5. Children, Preschool,Preschool Child,Preschool Children
D005115 Extraoral Traction Appliances Extraoral devices for applying force to the dentition in order to avoid some of the problems in anchorage control met with in intermaxillary traction and to apply force in directions not otherwise possible. Chincap, Orthodontic,Face Bow, Orthodontic,Headgear, Orthodontic,Appliance, Extraoral Traction,Appliances, Extraoral Traction,Bow, Orthodontic Face,Bows, Orthodontic Face,Chincaps, Orthodontic,Extraoral Traction Appliance,Face Bows, Orthodontic,Headgears, Orthodontic,Orthodontic Chincap,Orthodontic Chincaps,Orthodontic Face Bow,Orthodontic Face Bows,Orthodontic Headgear,Orthodontic Headgears,Traction Appliance, Extraoral,Traction Appliances, Extraoral
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man

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