Early Treatment of Anterior Crossbite Relating to Functional Class III

Alami, Sanaa; Aghoutan, Hakima; Quars, Farid El; Diouny, Samir; Bourzgui, Farid

doi:10.5772/59251

Cited by 3 publications

(7 citation statements)

References 14 publications

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“…In order to optimally treat Class III malocclusions, it is necessary to differentiate between pseudo-Class III malocclusions and true (skeletal) Class III malocclusions. A cephalometric evaluation, De Nevreze procedure, and clinical examination can be used to distinguish between these two types of Class III malocclusions 15,16 . In this study, in addition to using the routine methods, our aim was to contribute to clinicians' abilities to offer differential diagnoses with measurements made using the 3dMD face system, which has increased in popularity in recent years.…”

Section: Discussionmentioning

confidence: 99%

“…The analysis of detailed diagnosis and treatment planning in Class III malocclusions is important for clinicians in addressing disharmonious development, timing, skeletal growth, and dental patterns 14 . Clinically, for the differential diagnosis of these two types of Class III malocclusions, it is beneficial to include cephalometric evaluation of the position of the jaws and teeth according to the skeletal base, a positive response to the De Nevreze maneuver, and examination of the premature contacts in the mouth 15 . In addition, treatment plans for these skeletal Class III malocclusion types are completely different from one another.…”

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confidence: 99%

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Comparison of three-dimensional soft-tissue evaluations between skeletal and pseudo-class III malocclusions

Kale

Büyükçavuş

2020

Sci Rep

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The aim of our study was to compare soft tissue measurements with 3D imaging methods in individuals with untreated skeletal and pseudo-Class III malocclusions. The study sample consisted of 75 patients (38 males, 37 females, mean age 12.41 ± 2.35 years) with pseudo- and true skeletal Class III malocclusions and skeletal Class I malocclusions. Soft tissue evaluations of all patients were performed using 3D stereophotogrammetric facial images. In our study, 26 landmarks, 17 linear measurements, 13 angular measurements, and 5 volume measurements were made using the 3dMD Vultus software. The significance was determined to be p < 0.05 in ANOVA, Tukey tests. No significant differences were found among the groups in terms of demographic data (p > 0.05). The skeletal Class I control group had a significantly more extended upper lip and vermillion length as compared to the Class III groups. The soft tissue convexity angle and upper nasal angle were found to be wider in the Class III malocclusion group compared to those in the Class I control group. While the pseudo-Class III group had a significantly lower midface volume, chin volume was significantly higher in the skeletal class group. Upper lip volume was significantly higher in the Class I group. Using 3dMD for guiding clinicians in the differential soft and hard tissue diagnosis of pseudo-Class III malocclusions, differences were revealed in Class I patients in the middle part of the face. In the differential diagnosis of true Class III malocclusions, chin volume was found to be different from that of Class I patients.

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Section: Discussionmentioning

confidence: 99%

mentioning

confidence: 99%

Comparison of three-dimensional soft-tissue evaluations between skeletal and pseudo-class III malocclusions

Kale

Büyükçavuş

2020

Sci Rep

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“…Gökhan Çoban(0000-0001-6066-005X)  , İbrahim Yavuz(0000-0001-5760-4858) α , Ahmet Emin Demirbaş(0000-0002-2602-6415) β Selcuk Dent J, 2021; 8: 721-729 (Doi: 10.15311/selcukdentj.783156)  Erciyes Üniversitesi Diş Hekimliği Fakültesi Ortodonti AD, Kayseri, Türkiye β Erciyes Üniversitesi Diş Hekimliği Fakültesi Ağız Diş ve Çene Cerrahisi AD, Kayseri, Türkiye İskeletsel Sınıf III veya diğer adıyla gerçek mezial okluzyon, alt çenenin hem istirahat halinde hem de kapanış halinde mezial konumda olduğu, genellikle alt ve üst dişler arasında çapraz kapanış durumu gözlenen malokluzyonlardır. 1 Genellikle kalıtımsal nedenlerle meydana gelmektedir. Yapılan bir fare çalışması (2) 'farklı kantitatif özellik lokus'unun (QTLquantitative trait loci) alt çene şeklini belirlediğini göstermiştir.…”

Section: Araştirma İskeletsel Sınıf III Bireylerin çIft çEne Ortognatik Cerrahi Sonrası Yumuşak Doku Değişimlerinin Stereofotogrametri Iunclassified

“…Yapılan bir fare çalışması (2) 'farklı kantitatif özellik lokus'unun (QTLquantitative trait loci) alt çene şeklini belirlediğini göstermiştir. De Nevreze manevrası (alt çenenin zorlanarak geriye doğru itilmesi) başarısızdır (1). İskeletsel Sınıf III malokluzyonların tedavisi ve retansiyonu zor olmakla birlikte, tedaviye erken yaşlarda başlanmış olsa bile tedavi süresinin uzun olabileceği; hatta bu sürecin ortognatik cerrahiyle sonuçlanabileceği bildirilmiştir (3).…”

Section: Araştirma İskeletsel Sınıf III Bireylerin çIft çEne Ortognatik Cerrahi Sonrası Yumuşak Doku Değişimlerinin Stereofotogrametri Iunclassified

İskeletsel Sınıf III Bireylerin Çift Çene Ortognatik Cerrahi Sonrası Yumuşak Doku Değişimlerinin Stereofotogrametri ile Değerlendirilmesi

ÇOBAN

Yavuz

Demirbaş

2021

Selcuk Dental Journal

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Evaluation of Soft Tissue Changes in Skeletal Class III Patients After Bimaxillary Orthognathic Surgery with StereophotogrammetryBackground: To examine the changes after bimaxillary orthognathic surgery in soft tissues of patients with skeletal Class III malocclusion using three-dimensional (3D) photographic imaging. Methods:This study was conducted on 28 patients, 11 female, 17 male, who treated with one-piece Le Fort I in the maxilla along with bilateral sagittal split osteotomy in the mandible in Erciyes University Faculty of Dentistry Department of Orthodontics ( mean age 20.4 ± 3.01, range 17. 03 -31.16). While the maxillary advancement amount was 4.70 ± 1.20 mm; impaction amount was 2.23 ± 0.97 mm. The amount of mandibular set-back was 4.23 ± 1.56 mm. 3D stereophotogrammetric recordings were taken just before and at least 6 months after the operation. The data were evaluated as a single group, as no difference was observed between genders. "paired t test" was used for statistical analysis.Results: In the sagittal direction, maxillary lengths, mandibular convexity angle, soft tissue A and ANB angles increased statistically significantly. The maxillary convexity angle, mandibular lengths and corpus lengths, facial convexity angle, total facial convexity angle and soft tissue B angle were statistically significantly decreased. In the transverse direction, nasal and nasal base widths increased statistically significantly. In the vertical direction, maxillary height, upper vermilion height, the ratio of mid-face height to lower face height increased statistically significantly, lower vermillion height, lower lip length, mandibular height, mid and lower face heights, anterior face height, vertical and mentolabial angles were statistically significantly decreased. Conclusion:As a result of orthognathic surgery treatment, the most prominent changes were observed in sagittal, the slightest changes in transversal direction measurements. This study may be useful in predicting postoperative soft tissue changes and to what extent patient's expectations can be satisfied in skeletal Class III patients after bimaxillary orthognathic surgery.

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“…Existe también la pseudoclase III, la cual se identifica como una mordida cruzada anterior que se desarrolla como resultado de un desplazamiento mandibular. La prevalencia reportada de mordidas cruzadas anteriores varía entre el 2.2% y el 12%, dependiendo de la edad de los niños y de su origen étnico 5 . Actualmente el momento óptimo del tratamiento para los problemas de ortodoncia sigue siendo uno de los temas más controvertidos en esta rama en especial para la corrección de la maloclusión de clase III 6 .…”

Section: Introductionunclassified

Corrección de mordida cruzada anterior con sistema de autoligado. Reporte de caso

López Herrera,

Martin del Campo,

Rodríguez-Chávez

et al. 2024

Rev Odont Mex

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Introducción: la mordida cruzada anterior es uno de los problemas más comunes en pacientes en crecimiento con maloclusión clase lll tanto esqueletal como funcional. El correcto diagnóstico de esta maloclusión es clave para su corrección y para un buen plan de tratamiento. Objetivos: obtener clase l canina, mantener clase l molar, obtener guía anterior correcta, mantener perfil y mejorar función. Presentación del caso: paciente masculino de 13 años acude a la clínica con motivo de consulta: “mis dientes están chuecos y mi mandíbula se hizo para adelante”. Clase lll esqueletal por un maxilar retruído, perfil recto, dolicofacial, clase l molar, clase canina no establecida, caninos 13, 23 y 33 retenidos, mordida cruzada anterior. Tratamiento con brackets 3M™ Unitek™ Gemini SL autoligado MBT 0.022”, arco lingual y arco transpalatino, levantamiento de mordida mediante build ups en primeros molares inferiores, fase de alineación y nivelación, detallado de oclusión y retención final (removible superior e inferior). Se logró corregir la mordida cruzada anterior obteniendo guía anterior adecuada y una buena función masticatoria. El perfil y la clase l molar se mantuvieron. Conclusiones: el tratamiento con brackets de autoligado es una buena opción para lograr la corrección de la mordida cruzada anterior, siempre y cuando se realice un correcto diagnóstico y plan de tratamiento.

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Early Treatment of Anterior Crossbite Relating to Functional Class III

Cited by 3 publications

References 14 publications

Comparison of three-dimensional soft-tissue evaluations between skeletal and pseudo-class III malocclusions

Comparison of three-dimensional soft-tissue evaluations between skeletal and pseudo-class III malocclusions

İskeletsel Sınıf III Bireylerin Çift Çene Ortognatik Cerrahi Sonrası Yumuşak Doku Değişimlerinin Stereofotogrametri ile Değerlendirilmesi

Corrección de mordida cruzada anterior con sistema de autoligado. Reporte de caso

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