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蘇少卿
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蘇少卿
Taiwan
Main Instructor 蔡惠美
黃明珠
劉怡敏
Department / Institution Dr. Su’s Teamwork Orthodontic Center
Classification Case report
  • ABSTRACT
  • TITLE
Objective: Class II mandibular retrognathic case often features protrusive maxillary incisors with over-erupted mandibular incisors and a deep curve of Spee. Although extraction of premolars provide space for leveling and retraction of incisors, treatment goal should be determined after comprehensive consideration of skeletal, dental and facial elements of each patient.
Cases: A 28 year-old female had Class II division 1 malocclusion with deep overbite. Skeletal components of this non-growing patient revealed low mandibular plan angle and a non-extraction treatment plan was chosen. Miniscrews were inserted in maxilla for arch distalization.
Summary: One of the treatment goals was to maintain her vertical dimension, maxillary skeletal anchorage with limited use of Class II elastics was shown successfully to achieve the task. Anterior bite-turbo dis-occluded the posterior teeth during tooth movement while miniscrews controlled the vertical position of maxillary molars during distalization. On the mandibular arch wire, bend of the reverse curve of Spee intruded the lower incisors with only slight proclination. Maxillary incisors were retracted into the extraction space without reducing incisal display. Ideal overjet and overbite were obtained without compromising periodontal health and the final soft tissue profile was well balanced.
  
Diagnosis of A Class II Deep Bite Malocclusion Case