So what is ICON?
The ICON (Infiltration Concept) was designed as a minimally invasive resin infiltration system for treating incipient caries in patients of all ages. The low viscosity unfilled resin, developed by the company DMG (Germany) camouflages white spots by means of optical manipulation, and no tooth tissue removal is strictly necessary.
The clear resin flows into the demineralised enamel, and has similar optical properties (similar refractive index) to the enamel, therefore reflecting light to match the the tooth’s natural shade.
What is a white spot?
White spot lesions are white opacities seen on teeth after the subsurface layer of enamel on a tooth becomes demineralised, often due to poor oral hygiene and plaque, bacteria and acid accumulation on teeth. The decalcified inner enamel remains trapped underneath remineralised surface enamel. The inner demineralised enamel scatters the light due to its irregular microstructure and the result is an opaque white appearance of the tooth.
White spots can also occur on the teeth due to:
- Dental fluorosis (a high fluoride intake as the adult teeth are developing).
- Congenital hypomineralisation of teeth, due to infection as infant.
- Molar incisor hypomineralisation (lack of enamel development during its maturation stage).
- Decalcification of enamel due to fixed braces (inadequate oral hygiene around the plaque retentive orthodontic brackets).
It is important to be able to distinguish the cause of the white spot, in order to provide the best treatment outcome. If uncertain, a referral for specialist opinion is recommended.
Aesthetic treatment of White Spots
- ICON resin infiltration.
- Tooth bleaching.
- Enamel microabrasion.
- Direct composite resin bonding.
- Indirect composite/porcelain veneers.
A common misconception by dental professionals and patients is that some white spots may be successfully treated with bleaching alone. However, although the overall color of the tooth will improve, the white spot will remain unchanged and can sometimes even look worse compared to the whiter natural tooth.
Read Complete Article at Remove White Spots on Teeth
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