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The purpose of the study is to evaluate the difference between the maturation stages between different skeletal growth patterns
comparing the maturation of different vertical and horizontal growth patterns using CVMI
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Class I horizontal grower | |||
| Class I normal grower | |||
| Class I vertical grower | |||
| Class II horizontal grower | |||
| Class II normal grower | |||
| Class II vertical grower | |||
| Class III horizontal grower | |||
| Class III normal grower | |||
| Class III vertical grower |
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| Measure | Description | Time Frame |
|---|---|---|
| To evaluate the difference between the maturation stages (measured by CVMI index on lateral cephalograms) between different skeletal growth patterns | To evaluate the difference between the maturation stages (measured by CVMI index on lateral cephalograms) between different skeletal growth patterns | 8-16 years |
| Measure | Description | Time Frame |
|---|---|---|
| to detect whether there were differences in the onsets of the pre-pubertal, pubertal and post-pubertal stages between the various antero-posterior and vertical skeletal patterns | to detect whether there were differences in the onsets of the pre-pubertal, pubertal and post-pubertal stages between the various antero-posterior and vertical skeletal patterns | 8-16 years |
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Inclusion Criteria:
Exclusion Criteria:
Previous orthodontic treatment.
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males patients from 8 - 16 years
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| Name | Affiliation | Role |
|---|---|---|
| Amr Eldakrory, Professor | Cairo University | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Faculty of dentistry - Cairo University | Cairo | Egypt |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 23726335 | Background | Mellion ZJ, Behrents RG, Johnston LE Jr. The pattern of facial skeletal growth and its relationship to various common indexes of maturation. Am J Orthod Dentofacial Orthop. 2013 Jun;143(6):845-54. doi: 10.1016/j.ajodo.2013.01.019. | |
| 21639623 | Background | Marceau K, Ram N, Houts RM, Grimm KJ, Susman EJ. Individual differences in boys' and girls' timing and tempo of puberty: modeling development with nonlinear growth models. Dev Psychol. 2011 Sep;47(5):1389-1409. doi: 10.1037/a0023838. |
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| 25409981 | Background | Cole TJ, Rousham EK, Hawley NL, Cameron N, Norris SA, Pettifor JM. Ethnic and sex differences in skeletal maturation among the Birth to Twenty cohort in South Africa. Arch Dis Child. 2015 Feb;100(2):138-43. doi: 10.1136/archdischild-2014-306399. Epub 2014 Nov 19. |
| 18675204 | Background | Soegiharto BM, Moles DR, Cunningham SJ. Discriminatory ability of the skeletal maturation index and the cervical vertebrae maturation index in detecting peak pubertal growth in Indonesian and white subjects with receiver operating characteristics analysis. Am J Orthod Dentofacial Orthop. 2008 Aug;134(2):227-37. doi: 10.1016/j.ajodo.2006.09.062. |
| 10358251 | Background | Kim JH, Viana MA, Graber TM, Omerza FF, BeGole EA. The effectiveness of protraction face mask therapy: a meta-analysis. Am J Orthod Dentofacial Orthop. 1999 Jun;115(6):675-85. doi: 10.1016/s0889-5406(99)70294-5. |
| 3422525 | Background | Nanda SK. Patterns of vertical growth in the face. Am J Orthod Dentofacial Orthop. 1988 Feb;93(2):103-16. doi: 10.1016/0889-5406(88)90287-9. |
| 19852640 | Background | Kuc-Michalska M, Baccetti T. Duration of the pubertal peak in skeletal Class I and Class III subjects. Angle Orthod. 2010 Jan;80(1):54-7. doi: 10.2319/020309-69.1. |
| 27901231 | Background | Jeelani W, Fida M, Shaikh A. The duration of pubertal growth peak among three skeletal classes. Dental Press J Orthod. 2016 Sep-Oct;21(5):67-74. doi: 10.1590/2177-6709.21.5.067-074.oar. |
| 12169031 | Background | Baccetti T, Franchi L, McNamara JA Jr. An improved version of the cervical vertebral maturation (CVM) method for the assessment of mandibular growth. Angle Orthod. 2002 Aug;72(4):316-23. doi: 10.1043/0003-3219(2002)0722.0.CO;2. |
| 3181302 | Background | Buschang PH, Tanguay R, Demirjian A, LaPalme L, Turkewicz J. Mathematical models of longitudinal mandibular growth for children with normal and untreated Class II, division 1 malocclusion. Eur J Orthod. 1988 Aug;10(3):227-34. doi: 10.1093/ejo/10.3.227. No abstract available. |