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Realities of craniofacial growth modification.

G T Kluemper1, P M Spalding

  • 1Division of Orthodontics, College of Dentistry, University of Kentucky, Lexington, Kentucky, USA.

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Summary

Facial growth modification effectively treats skeletal discrepancies like Class II malocclusion and maxillary deficiency in Class III patients. Optimal timing and appliances are key, with early intervention often yielding the best results for predictable outcomes.

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Area of Science:

  • Orthodontics
  • Craniofacial Orthopedics
  • Pediatric Dentistry

Background:

  • Facial growth modification is used to correct skeletal discrepancies.
  • Understanding the extent of skeletal changes, optimal appliances, and treatment timing remains controversial.
  • Early orthopedic intervention is crucial for managing Class II and Class III malocclusions.

Purpose of the Study:

  • To review the effectiveness of orthopedic growth modification for skeletal discrepancies.
  • To discuss optimal timing and appliances for different malocclusions.
  • To explore future directions in craniofacial orthopedic treatment.

Main Methods:

  • Review of current literature on orthopedic growth modification.
  • Analysis of treatment outcomes for Class II and Class III malocclusions.
  • Discussion of appliance efficacy and timing based on patient age and skeletal characteristics.

Main Results:

  • Growth modification can correct Class II malocclusions, with early or pubertal phase treatment showing similar effectiveness.
  • Early orthopedic treatment benefits Class III patients with maxillary deficiency.
  • Mandibular excess or vertical excess in Class III patients are poor candidates for growth modification.
  • Palatal expansion is effective before late puberty; postpubertal expansion may require surgical assistance.
  • Functional crossbites should be corrected early to prevent mandibular asymmetry.
  • Vertical maxillary excess is challenging, with limited success using current methods like bite blocks and headgear.

Conclusions:

  • Orthopedic treatment is a valuable first step before surgery for mild to moderate skeletal discrepancies.
  • Timing and patient-specific needs are critical for successful orthopedic interventions, particularly palatal expansion.
  • Future research and technological advancements, like osseointegrated attachments, promise improved outcomes and reduced dentoalveolar changes.