Late Infiltration of Post-orthodontic White Spot Lesions

Neuhaus, Klaus W; Graf, Martina; Lussi, Adrian; Katsaros, Christos (2010). Late Infiltration of Post-orthodontic White Spot Lesions. Journal of orofacial orthopedics - Fortschritte der Kieferorthopädie, 71(6), pp. 442-447. München: Urban and Vogel 10.1007/s00056-010-1038-0

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White spot lesion (WSL) infiltration has been recommended immediately after debonding of orthodontic brackets. It is however not clear if established inactive WSLs can also be masked through infiltrationOrthodontic treatment of a 19-year-old patient had to be terminated prematurely due to development of multiple WSLs of varying severity. Three months after debonding, the patient presented for lesion infiltration. After etching with 15% HCl gel and re-wetting of the dried surfaces it seemed that a good outcome could be expected. Lesion infiltration led to complete masking of less severe WSLs. The visual appearance of moderate and severe WSLs was improved but they were still visible after treatment.Inactive WSLs may not represent an increased caries risk, but patients are often bothered esthetically. Infiltration by repeated etching might be a viable approach even for inactive WSLs. Controlled clinical trials are needed to investigate the long-term performance of this technique.

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