Case Report
Management of a Hypomineralisation of the Enamel by Applying a Remineraliser Based on Zinc Hydroxyapatite (microRepair)
Table 2
MIH treatment need index (MIH-THI).
| | Grade | Description |
| | Grade 0 | No MIH | | Grade 1 | MIH without hypersensitivity, without defect | | Grade 2 | MIH without hypersensitivity, with defect | | 2a | <1/3 of the area involved | | 2b | >1/3 of the area involved | | 2c | >2/3 of the involved surface and/or defect close to the pulp or atypical extraction or restoration | | Grade 3 | MIH with hypersensitivity, without defect | | Grade 4 | MIH with hypersensitivity, with defect | | 4a | <1/3 of the area involved | | 4b | of the surface involved | | 4c | >2/3 of the involved surface and/or defect close to the pulp or atypical extraction or restoration |
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