Comparative evaluation of the curve of Spee in two age groups and its relation to posterior teeth disclusion

Mohan, Mandakini; D'Souza, Marriette; Kamath, Giridhar B; Parolia, Abhishek

doi:10.4103/0970-9290.79985

Cited by 12 publications

(19 citation statements)

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“…Thus, if the curve of Spee is not maintained in these dentitions during full mouth rehabilitation, it may lead to interferences along the mandibular movements which will jeopardize the health of the masticatory system. [26]…”

Section: Methodsmentioning

confidence: 99%

Comparative evaluation of the depth of curve of Spee between individuals with normal dentition and individuals with occlusal wear using conventional and digital software analysis techniques: An in vivo study

Karani

Idrisi

Mistry

et al. 2018

J Indian Prosthodont Soc

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Section: Methodsmentioning

confidence: 99%

Comparative evaluation of the depth of curve of Spee between individuals with normal dentition and individuals with occlusal wear using conventional and digital software analysis techniques: An in vivo study

Karani

Idrisi

Mistry

et al. 2018

J Indian Prosthodont Soc

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“…Disocclusion is commonly described as the separation of opposing posterior teeth during eccentric movements of the mandible. Mohan et al [ 11 ], Williamson et al [ 12 ], and Manns et al [ 13 ] provided irrefutable evidence of the role of disocclusion in reducing muscle activity.…”

Section: Introductionmentioning

confidence: 99%

Evaluation of Disocclusion During Protrusive and Laterotrusive Movements

Kumar¹,

Sharma²,

Madaan³

et al. 2022

Cureus

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The importance of disocclusion in maintaining the health of the stomatognathic system is well established. However, the quantification of the same is limited. This study aimed to determine the amount of posterior teeth disocclusion in protrusive and laterotrusive movements to establish the desired disocclusion in occlusal treatments. Materials and methodsTwenty dentate subjects with Angles Class I occlusion, 18-30 years, were included in the study. Direct and indirect techniques measured disocclusion at the mesiobuccal cusp tip of the mandibular first molar. In the direct technique, the protrusive and working and nonworking records were made intraorally at the edge-toedge position of maxillary and mandibular central incisors and canines, respectively. For the indirect technique, putty indices were made on a semi-adjustable articulator at 2 millimeters (mm) eccentric movements and the disocclusion records were then made intraorally using indices at the predetermined excursions. The records were trimmed, and the disocclusion was measured using an optical microscope (ZEISS Axio Imager 2; Carl Zeiss Microscopy Deutschland GmbH, Oberkochen, Germany). The comparison of disocclusion by both techniques was done by paired t-test. The Pearson correlation coefficient was used to analyze the statistical correlation between the disocclusion obtained during different excursive movements. ResultsThe mean disocclusion obtained by direct technique was 1.72 ± .49 mm in protrusion, 1.19 ± .50 mm for the working side, and 2.54 ± .70 mm for the nonworking side. For the indirect technique, the disocclusion obtained was 1.22 ± .37 mm in protrusion, 8.57 ± .33 mm for the working side, and 1.71 ± .61 mm for the nonworking side. On comparison, there was a statistically significant difference (p<0.05) seen for the values between the groups for direct and indirect subgroups except for the left working subgroup (p>0.05) with higher values in the direct group. ConclusionsThe disocclusion obtained by the direct technique was higher than that obtained by the indirect technique. For both techniques, as the working side disocclusion increased, the nonworking side disocclusion also increased.

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“…Dişsel faktörler, dentisyon dönemi, sagittal maloklüzyon ve vertikal yüz paterni gibi çeşitli faktörler SED'ye etki etmektedir. 2,3,[12][13][14][15] SE'yi etkileyen faktörlerin regresyon analizi ile araştırıldığı bir çalışmada, kondilin dentisyona göre horizontal pozisyonu, posterior yüz yüksekliğinin anterior yüz yüksekliğine oranı ve SNB açısının SE'ye etkisi olduğu bildirilirken, ANB açısının SE üzerinde etkisi olmadığı ileri sürülmüştür. 3 Benzer metodolojiyle regresyon analizinin yapıldığı başka bir çalışmada ise overjet, overbite, overbite derinlik indikatörü, anteroposterior displazi indikatörü, SNB gibi parametrelerin yanısıra ANB açısının da SE'ye etkisi olduğu rapor edilmiştir.…”

Section: Introductionunclassified

Farklı iskeletsel maloklüzyon tiplerinde derin Spee eğrisinin dentoiskeletsel karakteristiği

Akbulut¹,

Kim

2019

Acta Odontologica Turcica

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Dişsel faktörlerin derin Spee Eğrisi (SE) üzerindeki etkisini incelemek ve farklı sagittal ve vertikal iskeletsel maloklüzyon gruplarında SE karakteristiğini karşılaştırmaktır. GEREÇ VE YÖNTEM: Bu çalışmaya SE 3 mm'den derin olan toplam 184 Koreli hasta dahil edildi. Hastalar sagittal ve vertikal iskeletsel paternlerine göre ayrı ayrı sınıflandırıldı. Alçı modeller ve lateral sefalometrik filmler üzerinde Spee Eğrisi derinliği (SED), overjet, overbite, keserler arası açı, alt keser, alt kanin ve alt molarların mandibular düzlem ve mandibular oklüzal düzlem ile yaptıkları açı, alt keser ve kaninlerin mandibular düzlemden uzaklıkları, kaninler arası genişlik, premolarlar arası genişlik, molarlar arası genişlik ve ark uzunluğu parametreleri ölçüldü. Gruplar arasında değişkenlerin karşılaştırılması Tukey post-hoc testi ile birlikte varyans analizi ile yapıldı (α=0.05). BULGULAR: Derin SE, Sınıf 2'de keserlerin labioversiyonu, kanin ve molarların mezial angulasyonu ile; Sınıf 3'te ise kaninler arası genişliğin artması ve molarlar arası genişliğin artması, keserlerin linguoversiyonu, kanin ve molarların distal angulasyonu ile oluşmuştu. Her grup sagittal iskeletsel paterni doğrultusunda dişsel kompanzasyon gösterdi. Hipodiverjan grubunda derin SE; overbite fazlalığı, keserlerin labioversiyonu, kanin ve molarların mezial angulasyonu ile karakterizeydi. Optimum büyüme modeli ve hiperdiverjan gruplarının her ikisi de keser ve kaninlerde ekstrüzyon göstermekle birlikte hiperdiverjan grubu bunlara ilaveten keserlerde linguoversiyon göstermekteydi. SONUÇ: Farklı sagittal ve vertikal iskeletsel maloklüzyon gruplarında transvers ark genişliği, keserlerin inklinasyonu, kanin ve molarların angulasyonu, keser ve kaninlerin ekstrüzyon miktarları gibi dişsel faktörler SE karakteristiğine etki edebilir.

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Comparative evaluation of the curve of Spee in two age groups and its relation to posterior teeth disclusion

Abstract: As age advances, there is a flattening of the curve of Spee and a concurrent reduction in the disclusion values during protrusion.

Cited by 12 publications

References 0 publications

Comparative evaluation of the depth of curve of Spee between individuals with normal dentition and individuals with occlusal wear using conventional and digital software analysis techniques: An in vivo study

Comparative evaluation of the depth of curve of Spee between individuals with normal dentition and individuals with occlusal wear using conventional and digital software analysis techniques: An in vivo study

Evaluation of Disocclusion During Protrusive and Laterotrusive Movements

Farklı iskeletsel maloklüzyon tiplerinde derin Spee eğrisinin dentoiskeletsel karakteristiği

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