The Relationship Between Dental Agenesis and Maxillary Hypoplasia in Patients With Cleft Lip and Palate
Copyright © 2021 by Mutaz B. Habal, MD..
ABSTRACT: Both dental agenesis and maxillary growth restriction are well-recognized sequelae in patients with unilateral cleft lip and palate, but their etiology remains controversial. The aim of this study was to evaluate the relationship between hypodontia and maxillary volume. A retrospective review of patients age 6 to 9 with Veau III (unilateral) cleft palate who underwent Cone Beam Computer Tomography in preparation for alveolar bone grafting at 2 major Children's Hospitals between 2010 and 2016 was conducted and serial panoramic radiographs were reviewed. Thirty-eight patients were identified that met inclusion criteria and had adequate imaging. Group 1 ("poor growers") consisted of the bottom 50% of Sella-Nasion-A point minus Sella-Nasion-B point (ANB) angles and Group 2 ("good growers") consisted of the top 50% of ANB angles. Group 1 had a significantly higher mean number of missing teeth (1.58 ± 0.28 missing teeth) compared to Group 2 (0.74 ± 0.23 missing teeth), and significantly lower maxillary volume (12.88 ± 0.61 cm3 versus 15.24 ± 0.88 cm3, respectively). The severity of maxillary hypoplasia in cleft patients increases with increased dental agenesis. These data indicate that intrinsic factors play a significant role in maxillary growth restriction in cleft patients, independent of the sequelae of surgical intervention.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2021 |
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| Erschienen: |
2021 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:32 |
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| Enthalten in: |
The Journal of craniofacial surgery - 32(2021), 6 vom: 01. Sept., Seite 2012-2015 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Janes, Lindsay E [VerfasserIn] |
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| Anmerkungen: |
Date Completed 15.09.2021 Date Revised 15.09.2021 published: Print Citation Status MEDLINE |
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| doi: |
10.1097/SCS.0000000000007555 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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NLM323958230 |
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| 245 | 1 | 4 | |a The Relationship Between Dental Agenesis and Maxillary Hypoplasia in Patients With Cleft Lip and Palate |
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| 500 | |a published: Print | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a Copyright © 2021 by Mutaz B. Habal, MD. | ||
| 520 | |a ABSTRACT: Both dental agenesis and maxillary growth restriction are well-recognized sequelae in patients with unilateral cleft lip and palate, but their etiology remains controversial. The aim of this study was to evaluate the relationship between hypodontia and maxillary volume. A retrospective review of patients age 6 to 9 with Veau III (unilateral) cleft palate who underwent Cone Beam Computer Tomography in preparation for alveolar bone grafting at 2 major Children's Hospitals between 2010 and 2016 was conducted and serial panoramic radiographs were reviewed. Thirty-eight patients were identified that met inclusion criteria and had adequate imaging. Group 1 ("poor growers") consisted of the bottom 50% of Sella-Nasion-A point minus Sella-Nasion-B point (ANB) angles and Group 2 ("good growers") consisted of the top 50% of ANB angles. Group 1 had a significantly higher mean number of missing teeth (1.58 ± 0.28 missing teeth) compared to Group 2 (0.74 ± 0.23 missing teeth), and significantly lower maxillary volume (12.88 ± 0.61 cm3 versus 15.24 ± 0.88 cm3, respectively). The severity of maxillary hypoplasia in cleft patients increases with increased dental agenesis. These data indicate that intrinsic factors play a significant role in maxillary growth restriction in cleft patients, independent of the sequelae of surgical intervention | ||
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