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Related Concept Videos

Teeth01:15

Teeth

The formation of teeth, also known as odontogenesis, is a complex process that begins in utero, around the sixth week of embryonic development. There are three stages to this process: the bud stage, the cap stage, and the bell stage.
In the bud stage, the tooth germ (an aggregation of cells) starts to form in the developing jawbone. During the cap stage, the tooth germ differentiates into enamel organ, dental papilla, and dental sac, which will later develop into the tooth's enamel, dentin and...

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Tooth-Bone-Borne vs Bone-Borne Rapid Maxillary Expanders on Dentoskeletal Changes.

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Summary
This summary is machine-generated.

Microimplant-assisted rapid palatal expansion (MARPE) and bone-anchored maxillary expander (BAME) both increase transverse dimensions in adults. Neither significantly affects cortical bone, but BAME more frequently opens the anterior suture.

Keywords:
3D-scannerCTexpansionmicroimplant

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Area of Science:

  • Orthodontics
  • Craniofacial Surgery
  • Biomaterials

Background:

  • Adult rapid palatal expansion presents unique challenges due to suture maturation.
  • Microimplant-assisted rapid palatal expansion (MARPE) and bone-anchored maxillary expander (BAME) are advanced techniques for maxillary expansion.

Purpose of the Study:

  • To compare MARPE and BAME in adults regarding cortical bone changes, midpalatal suture parallelism, and skeletal transverse dimension.
  • To evaluate the effects of these expansion methods on specific craniofacial structures.

Main Methods:

  • 18 adult patients treated with MARPE and 18 with BAME.
  • Cone-beam computed tomography (CBCT) scans were acquired pre- and post-expansion.

Main Results:

  • Both MARPE and BAME significantly increased maxillary and mandibular width.
  • Palatal depth decreased significantly post-treatment.
  • Cortical bone insertion and width showed non-significant increases.
  • BAME showed a higher frequency of anterior suture opening compared to MARPE.
  • Midpalatal suture opening was parallel in both groups, irrespective of maturation.

Conclusions:

  • MARPE and BAME yield comparable results in midpalatal suture parallelism and cortical bone changes.
  • Both methods effectively increase transverse dimensions in adult maxillas.
  • The choice between MARPE and BAME may depend on specific treatment goals, such as anterior suture opening.