Evaluation of the treatment changes of functional posterior crossbite in the mixed dentition

Keçik, Defne; Kocadereli, İlken; Saatçi, Işıl

doi:10.1016/j.ajodo.2005.03.030

Cited by 94 publications

(150 citation statements)

References 56 publications

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“…. Existe um consenso na literatura [2][3][4] de que as más oclusões não estão presentes somente na denti ção permanente e que elas ocorrem também nos estágios que antecedem a maturidade oclusal, a parti r da denti ção decídua.…”

Section: Discussionunclassified

“…Sua prevalência varia entre 4% e 23% nas diferentes populações 6 , havendo predominância das mordidas cruzadas unilaterais, que muitas vezes estão associadas a um desvio mandibular 7 . A mordida cruzada pode envolver um único dente ou um grupo de dentes, ser de origem esqueléti ca ou dento-alveolar ou, até mesmo, ser uni ou bilateral 4 . A mordida cruzada posterior na denti ção decídua ocorre devido a uma atresia maxilar, que por sua vez tem como eti ologia a infl uência genéti ca e/ou ambiental (hábitos de sucção e respiração bucal) 2 .…”

Section: Discussionunclassified

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Avaliação das Dimensões Transversas na Maxila e Mandíbula em Pacientes na Fase da Dentição Mista Tratados com Aparelho Ortodôntico Removível Superior

Bechara¹,

Bigliazzi²,

Chelotti³

et al. 2010

Pesq Bras Odontoped Clin Integr

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4Mestrandas em Ortodonti a pela Universidade Paulista (UNIP), São Paulo/SP, Brasil. RESUMO ABSTRACTExpansão maxilar; Mordida cruzada; Denti ção mista. Palatal expansion technique; Crossbite; Denti ti on, mixed. DESCRITORES KEYWORDSObjeti vo: Avaliar os efeitos da expansão lenta na maxila e na mandíbula com o aparelho ortodônti co removível superior com torno de expansão simétrico e mediano, nas regiões oclusal, gengival e alveolar de pacientes jovens com atresia maxilar. Método: A amostra compreendeu 18 indivíduos leucodermas (11 meninas e 7 meninos; idade média: 8 anos e 10 meses no início do tratamento) que apresentavam atresia da maxila, acompanhadas ou não de mordida cruzada posterior uni ou bilateral na fase de denti ção mista. Todos os pacientes foram tratados com aparelho ortodônti co removível superior com torno de expansão simétrico e mediano, sendo o tempo médio de tratamento de 15,4 meses (± 7,6). Para avaliar a infl uência do tratamento nas mensurações dos pontos demarcados nas regiões oclusal, gengival e alveolar, foram uti lizados os modelos de gesso dos arcos superior e inferior (36 pares) obti dos em dois tempos: T1: início do tratamento e T2: ao fi nal do tratamento. Para cada paciente em ambos os tempos, foram mensuradas as distâncias transversas na região oclusal entre caninos decíduos, 1 o molares decíduos ou 1 o pré-molares permanentes e entre 1 o molares permanentes, superiores e inferiores. Para verifi car se a movimentação ocorreu por inclinação ou por movimento de corpo, foram uti lizadas também medidas nas regiões gengival e alveolar. Os dados foram avaliados estati sti camente pelo teste "t student para amostras pareadas (5%).Resultados: Observou-se que em T2, todas as distâncias mensuradas para as regiões oclusal, gengival e alveolar apresentaram valores estati sti camente superiores às mesmas medidas em T1 (p<0,05). Conclusão: O aparelho ortodônti co removível superior é efeti vo nos casos de expansão lenta da maxila, agindo também indiretamente nas dimensões transversas do arco inferior. Objecti ve:To evaluate the eff ects of slow maxillary and mandibular expansion using upper removable orthodonti c appliance with symmetric and median expanding screw in the occlusal, gingival and alveolar regions of young pati ents with narrow maxilla. Method:The sample consisted of 18 Caucasian children (11 females and 7 males; mean age at the beginning of treatment: 8 years and 10 months) with narrow maxilla associated or not with unilateral or bilateral posterior crossbite in the mixed denti ti on phase. All pati ents were treated during a mean period of 15.4 (± 7.6) months with upper removable orthodonti c appliances with symmetric and median expanding screw. Maxillary and mandibular cast models (36 pairs) obtained at two moments (T1: beginning of the treatment and T2: end of the treatment) were used to evaluate the infl uence of the treatment in the measurements of the points demarcated in the occlusal, gingival and alveolar regions. For each pati ent, the transverse distances in the occlusal ...

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Section: Discussionunclassified

Avaliação das Dimensões Transversas na Maxila e Mandíbula em Pacientes na Fase da Dentição Mista Tratados com Aparelho Ortodôntico Removível Superior

Bechara¹,

Bigliazzi²,

Chelotti³

et al. 2010

Pesq Bras Odontoped Clin Integr

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“…31 Kecik et al supported that after treatment of malocclusion will change the growth and development of the muscles which will affect its activity. 32,33 As a response to occlusal fulcrums, the neuromuscular system will displace the condyle more inferiorly to achieve maximal occlusal contact. 34 The condyle was displaced to a more inferior position within the fossa as a consequence of the adoption of orthodontic treatment.…”

Section: Discussionmentioning

confidence: 99%

Evaluation of Changes in TMJ Position for Angle Class I Malocclusion After Orthodontic Treatment by Using Cephalometric Radiograph

et al. 2017

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Objective: A concern in fixed appliances orthodontic treatment besides reestablishing the normal occlusion characteristics might cause repositioning of the condyle position in TMJ region. The objective of this research is to find out whether there is a difference of TMJ position in Angle class I malocclusion type 1, 2, 3, 4, and 5 before and after fixed appliances orthodontic treatment. Methods:This research is a pre-and-post design study with analytical statistical approach which compared the TMJ position obtained from tracings 80 lateral cephalometric radiographs before and after fixed appliances orthodontic treatment. Purposive sampling technique was used to determine the sample size in Orthodontic Department of Rumah Sakit Gigi dan Mulut Universitas Padjadjaran from 2009-2015. The data was analyzed by using Kolmogorov-Smirnov Test and paired t-test.Results: This study revealed that the changes of condyle position in Condylion to Vertical T line (horizontally) after orthodontic treatment is not significant (P> 0.05) in Angle class I malocclusion. However, the difference of condyle position in Condylion to TC line (vertically) shows a significant difference (P< 0.05) in Angle class I malocclusion. Conclusion:The distance of the condyle from Condylion to TC line increased after fixed appliances orthodontic treatment for Angle class I malocclusion patients.

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“…In the study of transversal dimensions, the posteroanterior cephalometric radiograph (PA) has shown to be important and reliable [12][13][14] , but it has not yet become routinely used in dental practice, since lateral cephalometric study is still the most used method. Thus, the use of accurate and reproducible methods for measuring craniofacial anatomical structures is the best way to understand the interplay between form and function [15][16][17] .…”

Section: Introductionmentioning

confidence: 99%

“…The following measurements were recorded 14,19 : face width (ZA-AZ) -distance between the bilateral points to the center of the root of the zygomatic arch; mandibular width (GA-AG) -distance between right and left points at lateral inferior margin of antegonial protuberances; maxillary width (JR-JL) -distance between the jugal process at the intersection of outline of the…”

mentioning

confidence: 99%

Avaliação do dimorfismo sexual e da relação entre as características craniofaciais, dos arcos dentários e do músculo masseter na fase de dentição mista

et al. 2014

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Purpose: to evaluate sexual dimorphism and the relationship between craniofacial characteristics, dental arch morphology and masseter muscle thickness in children in the mixed dentition stage. Methods: the study sample comprised 32 children, aged 6-10 years (14♀/18♂) with normal occlusion. Craniofacial characteristics, dental morphology and masseter muscle thickness were evaluated by means of posteroanterior cephalometric radiographs, dental cast evaluation and ultrasound exam, respectively. The results were analyzed using Shapiro-Wilk test, Mann-Whitney/t-test and stepwise linear regression to assess the relation between face width and age, gender, body mass index, masseter thickness, distances between first molars and canines on dental casts (between cusps/ cervical points), nasal, maxillary, mandibular and intermolar widths. Results: masseter thickness showed no significant difference between the sides left/right. The comparison between genders showed significant difference only in face width, being larger in boys. The regression model showed that face width was positively related with body mass index, masseter thickness, mandibular first molar distances (cusps), mandibular canine distances (cervical points), and maxillary intermolar width; and negatively with maxillary (cusps) and mandibular molar distances (cervical points) and mandibular canine distances (cusps). That is, when the other studied variables were considered, the explanatory variable gender did not reach a significant value. Conclusion: in the studied sample, the dimensions of the dental arches and masseter thickness did not differ between boys and girls; moreover, face width showed significant relationship with body mass index, masseter thickness, and dimensions of dental arches; but gender did not contribute significantly to face width variation.

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Evaluation of the treatment changes of functional posterior crossbite in the mixed dentition

Cited by 94 publications

References 56 publications

Avaliação das Dimensões Transversas na Maxila e Mandíbula em Pacientes na Fase da Dentição Mista Tratados com Aparelho Ortodôntico Removível Superior

Avaliação das Dimensões Transversas na Maxila e Mandíbula em Pacientes na Fase da Dentição Mista Tratados com Aparelho Ortodôntico Removível Superior

Evaluation of Changes in TMJ Position for Angle Class I Malocclusion After Orthodontic Treatment by Using Cephalometric Radiograph

Avaliação do dimorfismo sexual e da relação entre as características craniofaciais, dos arcos dentários e do músculo masseter na fase de dentição mista

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