Related Experiment Videos
[Extraction of second molars as orthodontic therapy]
H M Ruiken1, A M Kuijpers-Jagtman
1Uit de vakgroep Orthodontie van de Faculteit der Medische Wetenschappen van de Katholieke Universiteit te Nijmegen.
Nederlands Tijdschrift Voor Tandheelkunde
|May 1, 1992
Summary
Extracting second molars can yield good orthodontic results if strictly indicated and timed correctly. Optimal timing involves third molars with fully formed crowns but before root formation begins, ensuring better eruption positioning.
Area of Science:
- Dentistry
- Orthodontics
Context:
- Second molar extraction is a common orthodontic procedure.
- Understanding timing and long-term effects is crucial for successful outcomes.
Purpose:
- To discuss indications, timing, and long-term effects of second molar extraction in orthodontics.
- To identify optimal conditions for successful third molar eruption post-extraction.
Summary:
- Acceptable results are achieved when second molar extraction is strictly indicated.
- Timing is critical: extraction should occur when third molars have full crowns but before root formation is evident.
- Specific angulation criteria for third molars (upper <30°, lower 30-60° to occlusal plane) predict satisfactory eruption positions.
Impact:
- Provides evidence-based guidelines for orthodontic treatment planning.
- Aims to improve clinical outcomes and patient satisfaction through precise surgical timing.
- Contributes to the understanding of third molar eruption dynamics following orthodontic extractions.