An estimation of craniofacial growth in the untreated Class III female with anterior crossbite

Miyajima, Kuniaki; McNamara, James A.; Sana, M.; Murata, Satoru

doi:10.1016/s0889-5406(97)70051-9

Cited by 67 publications

(56 citation statements)

References 28 publications

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“…All the three parameters were significantly lower in both groups compared to the control group, while they were the lowest in the patients with divergent type of mandibular prognathism. Similar results for skeletal Class III were found by Miyajima et al 26 , Guyer et al 11 , Reyes et al 13 and Chang et al 25 .…”

Section: Discussionsupporting

confidence: 86%

Cephalometric analysis of the middle part of the face in patients with mandibular prognathism

et al. 2014

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Background/Aim. The middle part of the face, that is the maxilla, has always been mentioned as a possible etiologic factor of skeletal Class III. However, the importance of the relationship of maxillary retroposition towards the cranial base is still unclear, although it has been examined many times. The aim of this study was to conduct cephalometric analysis of the morphology of maxilla, including the whole middle part of the face in patients with divergent and convergent facial types of mandibular prognathism, as well as to determine differences betweeen them. Methods. Lateral cephalometric teleradiograph images of 90 patients were analyzed at the Dental Clinic of the Military Medical Academy, Belgrade, Serbia. All the patients were male, aged 18-35 years, not previously treated orthodontically. On the basis of dentalskeletal relations of jaws and teeth, the patients were divided into three groups: the group P1 (patients with divergent facial type of mandibular prognathism), P2 (patients with convergent facial type of mandibular pragmathism) and the group E (control group or eugnathic patients). A total of 9 cephalometric parameters related to the middle face were measured and analyzed: the length of the hard palate -SnaSnp, the length of the maxillary corpus -AptmPP, the length of the soft palate, the angle between the hard and soft palate -SnaSnpUt, the angle of inclination of the maxillary alveolar process, the angle of inclination of the upper front teeth, the effective maxillary length -CoA, the posterior maxillary alveolar hyperplasia -U6PP and the

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Section: Discussionsupporting

confidence: 86%

Cephalometric analysis of the middle part of the face in patients with mandibular prognathism

et al. 2014

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“…In the present systematic review, we considered confounders, all those factors that were possibly related to the chin-cup therapy and could cause significant changes in the results. Ethnicity was needed to be taken into account, as Class III malocclusion is more frequently seen in Asian populations [1, 7, 14-16] and consequently these patients may be more often treated with chin-cups. Moreover, patients of Asian ancestry may present different baseline characteristics, as well as a different growth pattern than other populations, thus significantly affecting the results.…”

Section: Discussionmentioning

confidence: 99%

“…Thus, the following confounders were taken into account both for patients and controls: ethnicity (as Asian populations have a higher prevalence of Class III malocclusion) [1, 7,14-16], age in relation to the skeletal maturity stage, pre-treatment skeletal Class of malocclusion (when it was not skeletal Class III both for patients and controls), soft-tissue profile individual variation in thickness and in tension, and pre-treatment overjet. Moreover, co-interventions were considered the use of additional appliances, such as an occlusal bite plate, a quad-helix appliance, a lingual arch, etc., and the utilization of force magnitude of the chin-cup traction.…”

Section: Materials and Methodologymentioning

confidence: 99%

The Effect of Chin-cup Therapy in Class III Malocclusion: A Systematic Review

et al. 2016

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Background: The treatment of Class III malocclusion has been challenging for orthodontists. Among a plethora of treatment modalities, the chin-cup is considered a traditional appliance for early orthopedic intervention. Objective: The present study aims to investigate the current scientific evidence regarding the effectiveness of chin-cup therapy in Class III malocclusion of prognathic growing patients. Method: A systematic review of the literature was conducted using PubMed/Medline and the Cochrane Central Register of Controlled Trials from January 1954 to October 2015. Articles were selected based on established inclusion/ exclusion criteria. Results: The search strategy resulted in 3285 articles.14 studies were selected for the final analysis. They were all CCTs, 13 of retrospective and 1 of prospective design. Methodological quality was evaluated by a risk of bias assessment, as suggested by the Cochrane Risk of Bias Assessment Tool for Non-Randomized Studies on Interventions. The reported evidence presented favorable short-term outcomes both in hard and soft tissues improving the Class III profile, as well as desirable dento-alveolar changes, positively affecting the Class III malocclusion. Conclusion: There is considerable agreement between studies that chin-cup therapy can be considered for the short-term treatment of growing patients with Class III malocclusion, as indicated by favorable changes both in the hard and soft tissues. The existence of considerable risk of bias in all selected studies and the unclear long-term effectiveness of chin-cup therapy highlight the need for further investigation to draw reliable conclusions.

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“…Bu nedenle maloklüzyonlarla ilişkili olarak, kraniyofasiyal komponentlerin değerlendirilmesindeki en önemli basamaklardan biri de, cinsiyetle ilişkili morfolojik farklılıkların dikkate alınmasıdır. Sınıf III maloklüzyonlar üzerinde yapılmış olan çalışmalarda, grup oluşturulmasındaki güçlükler sebebiyle, nadiren kraniyofasiyal öl-çümler cinsiyetlerle ilişkili olarak değerlendi-rilmeye çalışılmış (2,20,21) , ya da çalışma-lar tek bir cins üzerinde yürütülmüştür (17,22,23). Cinsiyet farklılıklarına değinen bu çalış-maların bir kısmı büyüme ve gelişimin spesifik dönemlerine ait bilgiler verirken (22,23), az sayıda çalışmada büyüme ve gelişimle görülen değişiklikler de değerlendirmiştir (2,17,20,21).…”

Section: Gđrđşunclassified

Sınıf III bireylerin kraniyofasiyal ve dentoalveolar yapılarında, cinsiyet farklılıklarının gelişim dönemlerine göre değerlendirilmesi: Orjinal makale

YALVAÇ¹,

RÜBENDÜZ²,

Meliha³

2013

Ankara Üniversitesi Diş Hekimliği Fakültesi Dergisi

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ÖZETBu çalışmada Sınıf III maloklüzyona sahip bireylerin kraniyofasiyal ve dentoalveolar yapıla-rında, cinsiyete bağlı farklılıklarının üç ayrı gelişim döneminde cross-sectional olarak değerlendi-rilmesi amaçlanmıştır.Bu amaçla daha önce ortodontik tedavi gör-memiş ve iskeletodental Sınıf III maloklüzyona sahip 45'i kadın, 45'i erkek toplam 90 bireye ait lateral sefalometrik ve el-bilek filmi çalışmaya dahil edilmiştir. Kız ve erkek bireylerin sefalometrik filmleri, el-bilek filmleri vasıtasıyla gelişim dö-nemlerine göre üçer subgruba (pre-pubertal, pubertal, post-pubertal) ayrılmıştır. Sınıf III maloklüzyonlu kız ve erkek bireylerde, krani-yofasiyal ve dentoalveolar yapıları temsil etmek üzere belirlenen ölçümler vasıtası ile cinsiyete bağlı farklılıkla-rı, her bir gelişim döneminde istatistik olarak ayrı ayrı değerlendirilmiştir.Post-pubertal erkekler hariç çalışmaya dahil edilen tüm gruplarda, Sınıf III maloklüzyonun maksiller retrognati sınırında görüldüğü, mandibular konumun ise normal sınırlar içerisinde olduğu tespit edilmiştir. Sınıf III bireylerde cinsiyete bağlı farklılıkların, her bir gelişim döneminde özellikle boyutsal ölçümler bakımından, söz konusu olduğu görülmüştür. Anahtar sözcükler: Sınıf III Maloklüzyon, Cinsiyet farklılığı, Gelişim dönemleri SUMMARYThe purpose of this study is evaluation of gender differences according to developmental stage in craniofacial and dentoalveolar structure of Class III subjects as cross-sectionally. For this purpose, 90 patients (45 females, 45 males), having no orthodontic treatment history and skeleto dental Class III malocclusion included to study with their cephalometric films and handwrist films. Their cephalometric films divided into three subgroups (pre-pubertal, pubertal, postpubertal ) according to their developmental stage by using their hand wrist films. Gender differences in Class III subjects were evaluated statistically in each developmental stage seperately by using measurements to represent craniofacial and dentoalveolar structure.It was established that, Class III malocclusion seen with maxillary retrognathia while the mandible in normal position in all groups included to study (except post-pubertal males). The findings indicated that gender differences in Class III patients associated with linear dimensions in each developmental stage.

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An estimation of craniofacial growth in the untreated Class III female with anterior crossbite

Cited by 67 publications

References 28 publications

Cephalometric analysis of the middle part of the face in patients with mandibular prognathism

Cephalometric analysis of the middle part of the face in patients with mandibular prognathism

The Effect of Chin-cup Therapy in Class III Malocclusion: A Systematic Review

Sınıf III bireylerin kraniyofasiyal ve dentoalveolar yapılarında, cinsiyet farklılıklarının gelişim dönemlerine göre değerlendirilmesi: Orjinal makale

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