The disintrusion splint: A tad assisted modified intrusion splint-a case report

Mahesh Kakunje Bhat, Heeral Mahlawat, M. V. Ashith, Amoli Singh, Shravan Shetty

Research output: Contribution to journalArticlepeer-review

Abstract

Cause of anterior open bite is generally multifactorial, which involves a combination of dental, skeletal and functional effects. It is one of the most difficult problems to treat in orthodontics. In severe adult cases, treatment usually requires surgical repositioning of the maxilla or mandible. When a patient rejects surgery, alternatives include extraction treatment, molar intrusion with skeletal anchorage, a vertical-pull chin cup, multiloop edgewise archwire (MEAW) therapy, or nickel titanium archwires with intermaxillary elastics. Although extrusion or eruption of anterior teeth is a common method of bite closure, it has been reported that extruded anterior teeth are less stable than intruded teeth. Extrusion of maxillary anterior teeth might also compromise facial esthetics, especially in a patient with a gummy smile and high mandibular plane angle. In such cases intrusion of upper posterior teeth is the treatment of choice. The maxillary posteriors can be successfully intruded using infrazygomatic screws which will cause autorotation of the mandible. This case report shows the use of a "Disintrusion Splint" which can achieve both intrusion and distalization simultaneously in cases where the proclination also needs to be corrected.

Original languageEnglish
Pages (from-to)4879-4884
Number of pages6
JournalAnnals of the Romanian Society for Cell Biology
Volume25
Issue number1
Publication statusPublished - 2021

All Science Journal Classification (ASJC) codes

  • Physiology
  • Molecular Biology
  • Cell Biology

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