Growth of the maxilla
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The maxilla grows in two ways: 1) growth at sutures which shifts the maxilla forward and downward until age 10, and 2) bone remodeling including downward displacement of the palate, expansion of the maxillary sinus, and alveolar process development which adds to the height and length of the maxilla. The maxilla is attached to other cranial bones at four main sutures that allow adjustments through apposition and modeling as the sutures turn into fibrous unions in the skull.
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Growth of the maxilla
- 1. GROWTH OF THE MAXILLA
- 3. 2 types
- 4. 1 Growth at sutures
- 5. Since, the maxillary complex is attached to the cranial base, there is a strong influence of the latter on the former. Although there is no sharp line of demarcation between the cranium & maxillary growth gradients
- 6. It continues till 10 years of age then becomes less significant. The maxilla articulates with the other bones of the skull by 4 main sutures: a)Frontomaxillary suture. b)Zygomaticomaxillary suture. c) Zygomaticotemporal suture. d)Pterygopalatine suture.
- 7. All these sutures are parallel to each other and directed from upward anteriorly to downward posteriorly. So growth at these sutures will shift the maxilla forward and downward.
- 8. There are OF
- 9. 1.Downward 2.Forward & 3.Lateral Forward
- 10. 1.Downward 2. Forward 3.Lateral and Forward
- 11. Later the Sutures will turn into fibrous unions Of skull bones allowing adjustments by apposition and modeling
- 12. 2 Growth by
- 13. Bone remodeling of the palate resulting in its downward displacement
- 14. Enlargement of the maxillary sinus . The sinus expands by bone resorption on the sinus side and bone deposition on the facial surface of the maxillary process. A process known as pneumotization
- 15. Alveolar process development It will add to the height of the maxilla. Eruption of teeth specially the permanent set that serves much in this direction, while eruption of the upper permanent molars adds to the length of the arch.
- 16. OVERVIEW (MAINLY POSTERIOR OF TUBEROSITY + FACIAL SURFACE OF MAXILLA)
- 17. Björk A Eur J Orthod 2007;29:i82-i88
- 18. BLAH BLAH BLAH BLAH B BLAH BLAH
- 20. THANK YOU
- 21. PREPARED BY :
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