Resin Infiltration: Transforming the Treatment of Molar Incisor Hypomineralization

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Resin infiltration is an innovative technique used to manage Molar Incisor Hypomineralization (MIH), a condition characterized by the presence of hypomineralized enamel in one to four permanent molars and often in permanent incisors. This condition can lead to increased sensitivity, aesthetic concerns, and a higher risk of caries.


                                 

       Molar Incisor Hypomineralization (MIH)

Indication of resin infiltration 


1-White Spot Lesions (WSLs): These are early signs of tooth decay, often seen after orthodontic treatments.

2-Developmental Enamel Defects: This includes conditions like dental fluorosis and hypomineralization

3- Incipient Proximal Caries: Early-stage cavities that haven’t yet formed a cavity


        (a) baseline                   (b) after treatment 

steps of resin infiltration procedure :

1-Etching: Apply 15% hydrochloric acid to the affected area to create porosity in the enamel.

2-Drying: Use an ethanol solution to dry out the lesion and remove any moisture.

3-Infiltration: Apply a low-viscosity resin infiltrant to penetrate the porous enamel. This resin is then light-cured to harden and seal the area


                                  steps of resin infiltration

Benefits of Resin Infiltration for MIH

  1. Aesthetic Improvement: One of the most significant advantages of resin infiltration is its ability to improve the appearance of hypomineralized teeth. The resin fills in the porous enamel, reducing the visibility of white or yellow-brown spots.
  2. Enhanced Durability: By infiltrating and sealing the porous enamel, resin infiltration increases the structural integrity of the affected teeth, making them more resistant to wear and decay.
  3. Minimally Invasive: Unlike traditional restorative treatments, resin infiltration is minimally invasive, preserving more of the natural tooth structure.
  4. Immediate Results: Patients can see immediate improvements in the appearance and function of their teeth following the procedure.

Conclusion

Resin infiltration represents a significant advancement in the treatment of Molar Incisor Hypomineralization. By addressing both the aesthetic and functional challenges posed by MIH, this technique offers a comprehensive solution that benefits patients and dental professionals alike. As research and clinical experience continue to support its efficacy, resin infiltration is poised to become a standard treatment for MIH, transforming the way this


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