Extensive orthodontically induced dental resorption: What to do?

Area of Science:

• Dentistry
• Orthodontics
• Dental Research

Background:

• Extensive orthodontically induced dental resorption (OIDR) is a concern in orthodontic treatment.
• These resorbed teeth face risks like trauma, caries, and periodontal disease, independent of OIDR.
• Shorter root length in OIDR teeth increases susceptibility to further resorption during retreatment.

Purpose of the Study:

• To evaluate the long-term prognosis of teeth with extensive OIDR.
• To identify safe and effective orthodontic retreatment strategies for teeth with OIDR.
• To provide guidance on managing teeth with OIDR, distinguishing them from conditions requiring endodontic treatment or implants.

Main Methods:

• Review of clinical cases and literature on OIDR management.
• Analysis of biomechanical principles for orthodontic movement in resorbed teeth.
• Comparison of conventional vs. alternative orthodontic techniques for OIDR teeth.

Main Results:

• Teeth with OIDR, under thorough care, can achieve longevity comparable to normal teeth.
• Conventional orthodontic movements are often contraindicated in severe OIDR.
• Alternative strategies include multi-tooth movement, reduced forces with bodily movement, and miniplate anchorage for force distribution.

Conclusions:

• Extensive OIDR does not necessitate endodontic treatment or replacement with dental implants.
• Teeth with OIDR require specialized orthodontic care to maintain their position in the dental arch indefinitely.
• Modified orthodontic approaches are crucial for successful retreatment of teeth with OIDR.