A mechanism of noncontinuous supraosseous tooth eruption

Thomas Katona, Haihong Qian

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

Numerous theories have been propounded to explain the various aspects of tooth eruption, but no general consensus exists about some of the underlying mechanisms that govern these aspects. An important unresolved issue is the source of the motive forces that displace teeth. We proposed that supraosseous eruptive forces are generated by tooth socket distortions caused by functional jaw deformations. Previous studies used basic equations of static equilibrium to demonstrate that the concomitant stretching of the oblique periodontal ligament (PDL) fibers give rise to forces that may cause supraosseous tooth eruption. For a more rigorous and expanded analysis, we applied the finite element method (FEM). Three functional loads were considered, but the FEM calculations strongly suggested that all jaw deformations contribute to tooth extrusion. It was also demonstrated that the PDL fiber disruptions that are likely to occur with increased stretching can provide a mechanism to stabilize the erupted position. (Am J Orthod Dentofacial Orthop 2001;120:263-71).

Original languageEnglish (US)
Pages (from-to)263-271
Number of pages9
JournalAmerican Journal of Orthodontics and Dentofacial Orthopedics
Volume120
Issue number3
DOIs
StatePublished - Sep 2001

Fingerprint

Tooth Eruption
Periodontal Ligament
Jaw
Orthodontic Extrusion
Tooth Socket
Finite Element Analysis
Tooth

ASJC Scopus subject areas

  • Surgery
  • Dentistry(all)

Cite this

A mechanism of noncontinuous supraosseous tooth eruption. / Katona, Thomas; Qian, Haihong.

In: American Journal of Orthodontics and Dentofacial Orthopedics, Vol. 120, No. 3, 09.2001, p. 263-271.

Research output: Contribution to journalArticle

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