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Related Experiment Videos

Maxillary and mandibular width changes studied using metallic implants.

L G Gandini1, P H Buschang

  • 1Department of Orthodontics, Araraquara School of Dentistry - UNESP, Araraquara, SP - Brazil.

American Journal of Orthodontics and Dentofacial Orthopedics : Official Publication of the American Association of Orthodontists, Its Constituent Societies, and the American Board of Orthodontics
|January 12, 2000
PubMed
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Adolescent growth significantly increases basal maxillary and mandibular width, particularly in individuals with greater growth potential. This skeletal expansion occurs during late adolescence, impacting transverse dimensions.

Area of Science:

  • Orthodontics
  • Craniofacial Biology
  • Dental Implantology

Background:

  • Understanding transverse skeletal stability is crucial for effective orthodontic treatment planning.
  • Adolescent growth phases present unique opportunities for skeletal modification.
  • Previous research has not fully elucidated basal skeletal width changes during late adolescence.

Purpose of the Study:

  • To evaluate the transverse stability of basal maxillary and mandibular structures in adolescents.
  • To compare skeletal width changes between different growth potential groups (GROW+ and GROW++).
  • To assess the influence of orthodontic treatment on basal skeletal dimensions.

Main Methods:

  • Implant study with 25 subjects (12-18 years old) followed for ~2.6 years.

Related Experiment Videos

  • Bilateral metallic implants placed in maxillary and mandibular corpora.
  • Cephalometric analysis of transverse changes in implants, comparing GROW+ and GROW++ groups post-treatment.

    • Main Results:

    • The GROW++ group exhibited significant posterior maxillary implant width increases (P <.001) and mandibular implant width increases (P =.009).
    • No significant transverse changes were observed for anterior maxillary implants.
    • The GROW+ group showed no significant width changes in either jaw.

    Conclusions:

    • Basal mandibular and maxillary skeletal structures demonstrate significant width increases during late adolescence.
    • These skeletal width changes are correlated with an individual's growth potential.
    • Late adolescent growth can influence the transverse dimensions of the jaws.