Examinando por Materia "Skeletal patterns"

Mostrando 1 - 2 de 2

Acceso abierto
Evaluation of the degree of inclination of the articular eminence and skeletal patterns according to the Steiner ANB angle in Cone Beam tomographies in a radiological center in Lima in the year 2021
(Universidad Privada Norbert Wiener, 2022-12-10) Gutiérrez Joo, Anggie Fiorella; Girano Castaños, Jorge Alberto
This study evaluated the comparison of the inclination of the articular eminence and skeletal patterns according to the ANB angle of Steiner in Cone Beam CT scans at a radiological center in Lima in 2021. This is an observational, cross-sectional, retrospective, and analytical study. It employed 112 CT scans from the IDM (Maxillofacial Diagnostic Institute) radiology center database. The sample consisted of individuals aged 20 to 40 years with complete dentition, excluding scans from patients with jaw trauma, fractures, noticeable craniofacial malformations, or facial asymmetries. Data collected included sex, age, and degrees of the inclination of the right and left articular eminence (IEA), as well as skeletal patterns according to Steiner (Class I, II, III). Excel and SPSS were used for statistical analysis. Results showed that Class II (50.28°-49.60°) presented the highest degree of IEA on both the right and left, followed by Class I (44.43°-45.06°), and Class III (34.32°-32.52°) presented the lowest degree. The most frequent skeletal pattern was Class II (40.2%). The average values were Class I (44.77°), Class II (49.94°), Class III (33.52°), and the total average was 42.74°. The average for females was 45.62°, slightly higher than for males at 41.83°. The average for the age group 20 to 30 years was 43.46°, and for 31 to 40 years, it was 45.96°, slightly higher than the younger group. For the right side, the average IEA was 44.21°, similar to the left side at 43.64°. When comparing the location in each skeletal class, no significant difference was found: Class I (p=0.694), Class II (p=0.751), Class III (p=0.241), all with p>0.05. However, a significant difference was found between the IEA degree and each skeletal class, with p=0.000 (p<0.05).
Acceso abierto
Relationship between the space of the lower third molar and the different skeletal patterns in patients aged 12 to 17 years who attend the dental center“ scientific dental, Lima 2017-2019.
(Universidad Privada Norbert Wiener, 2021-10-11) León Ramírez, Giovanna; Ascanoa Olazo, Jimmy Antonio
The purpose of this research was to determine the relationship between the space for the lower third molar and different skeletal patterns in patients aged 12 to 17 years who attended the Dental Científica center, Lima, 2017-2019. The study was observational, descriptive, cross-sectional, and retrospective. The study population consisted of 178 cephalometric and 178 panoramic radiographs, analyzed using the observation technique. Skeletal classes were determined by measuring the ANB angle (Steiner), and the space for the lower third molar was measured in millimeters using the Nemoceph version 2.0 software in Spanish. Results: No significant relationship was found between the space for the lower third molar and skeletal classes (p=0.94). The most frequent skeletal class was class II (47.2%), followed by class I (44.4%). Regarding the space for the lower third molar (ERTM), the general average was 8.72±4.22 mm for the right side and 9.86±4.26 mm for the left side. The ERTM values by age showed higher averages in 17-year-old patients, with 9.91±3.74 mm for the right side and 11.79±3.84 mm for the left side. Conclusion: There is no significant relationship between the space for the lower third molar and skeletal patterns.