| E T I O L O G Y : O T H E
R F A C T O R S |
| Factors |
| Intrinsic |
| Extrinsic |
|
|
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| Eruption/Exfoliation |
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| Malocclusion |
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| Caries |
||
|
|
|
|
| Calculus |
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| Appliances |
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| Oral Habits |
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| Mouthbreathing |
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| Local |
|
|
|
| Endocrine |
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| Hereditary |
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| Chronic Illness |
||
|
|
|
|
|
| Bacterial |
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| Viral |
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| Fungal |
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| Diet, Nutrition |
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| Medications |
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| Systemic |
| R I C H A R D Y O O N |
| 30 |