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Oral-Motor developme
| Question | Answer |
|---|---|
| prior to 33 weeks gestation | infant is fed by non-oral means |
| 35 weeks gestation | jaw and tongue movements are strong enough to allow for feeding |
| 40 weeks gestation | rooting, gag, and cough reflexes present (up to 4 months), protecting airway and decreasing changes of aspiration |
| 4-5 months | munching occurs consisting of a phasic bite and release of a soft cookie |
| 6 months | strong up and down movement of the tongue |
| 7-8 months | beginning of mastication of soft and mashed foods with diagonal jaw movements |
| 9 months | lateral tongue movements make mastication of soft and mashed food effective, able to drink from cup with weak jaw |
| 12 months | jaw is firm, rotary chewing allowing for a good bite on hard cookie |
| 24 months | able to chew most meats and raw vegetables |