Article ; Online: Variability associated with maxillary infrazygomatic crest and palatal bone width, height, and angulation in subjects with different vertical facial growth types: a retrospective cone-beam computed tomography study.
2024 Volume 94, Issue 3, Page(s) 313–319
Abstract: Objectives: To assess the infrazygomatic crest (IZC) and palatal bone width, height, and angulation in patients with different vertical facial growth types as potential miniscrew insertion sites.: Materials and methods: In this retrospective cone- ... ...
| Abstract | Objectives: To assess the infrazygomatic crest (IZC) and palatal bone width, height, and angulation in patients with different vertical facial growth types as potential miniscrew insertion sites. Materials and methods: In this retrospective cone-beam computed tomography study, 162 subjects (81 males and 81 females, mean age 16.05 ± 0.65 years) were included. They were divided into three groups (hypodivergent, normodivergent, and hyperdivergent) based on the Frankfort mandibular plane angle. Ten buccal bone measurements were made at two different coronal sections: maxillary first molar mesiobuccal and distobuccal roots (bilaterally). Six palatal bone measurements were made on a sagittal section at the maxillary central incisors (bilaterally). A total of 32 measurements per subject were considered in the study. Results: No significant difference was observed for the IZC (width and angle) at the maxillary first molar mesiobuccal root. A comparison of normodivergent and hyperdivergent groups for buccal width at the distobuccal root of the first molar showed significant differences. Palatal bone thickness at the level of 2 mm distal to the apex of the central incisor was significantly higher for the hyperdivergent group (10.43 mm) compared with the normodivergent (7.58 mm) and hypodivergent groups (7.83 mm). Conclusions: Hyperdivergent subjects tend to present a longer and deeper IZC and increased palatal bone thickness compared with other groups. The recommended insertion angle for the IZC mini-implant at 3 mm from the alveolar crest should be between 75.5° and 77°. |
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| MeSH term(s) | Male ; Female ; Humans ; Adolescent ; Retrospective Studies ; Maxilla/diagnostic imaging ; Palate/diagnostic imaging ; Cone-Beam Computed Tomography/methods ; Face | |||||
| Language | English | |||||
| Publishing date | 2024-02-20 | |||||
| Publishing country | United States | |||||
| Document type | Journal Article | |||||
| ZDB-ID | 390289-4 | |||||
| ISSN | 1945-7103 ; 0003-3219 | |||||
| ISSN (online) | 1945-7103 | |||||
| ISSN | 0003-3219 | |||||
| DOI | 10.2319/062023-430.1 | |||||
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| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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