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MIH types according to teeth affected (permanent first molars and permanent incisors).
| Type of MIH | Maxillary molars (n=713) | Maxillary incisors (n=821) | Mandibular molar (n=703) | Mandibular incisors (n=833) | Total |
|---|---|---|---|---|---|
| Demarcated opacity | 31 | 48 | 26 | 17 | 122 |
| Posteruptive breakdown | 31 | 3 | 34 | 0 | 68 |
| Atypical restorations | 33 | 2 | 26 | 0 | 61 |
| Tooth loss due to MIH | 18 | 0 | 22 | 0 | 40 |
| Total | 113 | 53 | 108 | 17 | 291 |
