Relationship among lower arch length, arch width and arch perimeter in crowding and non-crowding groups

Selmani, Mimoza; Julijana, Gjorgova

doi:10.1515/bjdm-2015-0027

Cited by 5 publications

(5 citation statements)

References 21 publications

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“…Based on their study, Janson et al [ 1 ] found that arch length was negatively correlated with dental crowding. As for intercanine and intermolar widths, Selmani et al [ 25 ], as well as Abid et al [ 11 ], reported significantly narrower arch widths in patients with crowding. In their study, Faruqui et al [ 2 ] found no statistical differences in intercanine widths between crowded and non-crowded arches; meanwhile, Ikoma et al [ 26 ] observed that intercanine widths were wider, whereas intermolar widths were not different.…”

Section: Discussionmentioning

confidence: 99%

Association between Eruption Sequence of Posterior Teeth, Dental Crowding, Arch Dimensions, Incisor Inclination, and Skeletal Growth Pattern

et al. 2023

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Background: We conducted research to investigate the effects of the eruption sequence of posterior teeth, arch dimensions, and incisor inclination on dental crowding. Material and Methods: A cross-sectional analytic study was performed on 100 patients (54 boys and 46 girls; mean ages: 11.69 and 11.16 years, respectively). Seq1 (canine-3-/second premolar-5-) or Seq2 (5/3) eruption sequences were recorded in maxilla, and Seq3 (canine-3-/first premolar-4-) or Seq4 (4/3) eruption sequences in mandible; tooth size, available space, tooth size-arch length discrepancy (TS-ALD), arch lengths, incisor inclination and distance, and skeletal relationship were noted. Results: The most common eruption sequences in the maxilla and mandible were Seq1 (50.6%), and Seq3 (52.1%), respectively. In the maxilla, posterior tooth sizes were larger in crowded cases. In the mandible, anterior and posterior tooth sizes were larger in crowded patients. No relationship between incisor variables and the maxillo-mandibular relationship and dental crowding was found. A negative correlation between inferior TS-ALD and the mandibular plane was found. Conclusions: Seq1 and Seq 2 in the maxilla and Seq 3 and Seq 4 in the mandible were equally prevalent. An eruption sequence of 3–5 in the maxilla and 3–4 in the mandible is more likely to cause crowding.

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Section: Discussionmentioning

confidence: 99%

Association between Eruption Sequence of Posterior Teeth, Dental Crowding, Arch Dimensions, Incisor Inclination, and Skeletal Growth Pattern

et al. 2023

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“…Contrary to this, in our study, there was no significant importance noticed in arch length for the prediction of crowding, while there was a significant difference in sum of incisors between noncrowded and crowded dentition in both the arches in mixed dentition, making it a reliable measurement for the prediction of dental crowding. A study was conducted in 2015 by Selmani and Gjorgova 19 to compare the relationships between the length, width, and perimeter of crowded and uncrowded arches.…”

Section: Discussionmentioning

confidence: 99%

Assessment of Dental Crowding Occurring in Mixed Dentition in Maxillary and Mandibular Arches Based on Tooth Size–Arch Length Relationships and Certain Cephalometric Parameters

Nagar,

Kandakkeel,

Saseendran

et al. 2023

International Journal of Clinical Pediatric Dentistry

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A bstract Aim The aim of the study is to find indicators of crowding in primary and mixed dentition that may lead to occurrence of dental crowding in future dentition using dental measurements. Materials and methods A sample of 300 children was selected and divided into two groups based on their age primary dentition and mixed dentition. Dental arch impressions were made and casts were poured. The study was then divided into two phases for assessment of degree of crowding by Little's irregularity index (LII) and by measurement of tooth size-arch length discrepancies. Appropriate statistical analysis was used to assess the correlation of measurements in crowded and noncrowded groups. Results It was found that Little's index is less dependable as an indicator of anterior crowding. In the primary dentition, there is significant difference in inter-canine width between lower noncrowded and crowded dentition. In the mixed dentition, there is significant difference in Intermolar width between upper noncrowded and crowded dentition and in sum of incisors between noncrowded and crowded dentition in both the arches. Conclusion Little's index is not a reliable indicator of crowding in both primary and mixed dentition. Inter-canine width of lower arch can be considered as an indicator of crowding in primary dentition. The intermolar width of upper arch, sum of incisors in upper and lower arch and the intercanine width of upper and lower arch can be considered indicators of crowding in the mixed dentition. How to cite this article Kandakkeel FN, Nagar P, Saseendran A, et al. Assessment of Dental Crowding occurring in Mixed Dentition in Maxillary and Mandibular Arches based on Tooth Size–Arch Length Relationships and Certain Cephalometric Parameters. Int J Clin Pediatr Dent 2023;16(2):357-362.

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“…The results of this study are supported by results of studies put forward by Little 21 , Hamid and Rahbar 17 . Dental crowding is caused by various different reasons which includes development or decrement in length of dental arch, maturation, aging of dentition etc 22,23 .…”

Section: Discussionmentioning

confidence: 99%

Tooth Size and Arch Widths in Crowded Class I Malocclusion

Khan¹,

Faisal²,

Hussain³

2019

ashkmdc

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Objective: To examine the extent to which maxillary arch width and tooth size contributes to dental crowding. Methods: A cross-sectional study was conducted for six months after approval of synopsis by ERC of KMDC with 96 patients at department of orthodontics, Karachi Medical and Dental College, Karachi, Paki- stan. Patients with age 13-21 years with maligned teeth, over-crowding, presence of all fully erupted per- manent teeth and all angle classes were included, whereas patients with history of orthodontic treatment, presence of fractured restorations/crowns with tooth anomalies such as number, size, form and position as confirmed on clinical examination and craniofacial anomalies/syndromes were excluded. Maxillary crowding was calculated as the millimetre difference between arch perimeter and the sum of tooth widths of both second premolars. Arch perimeter was measured from the mesial aspect of the permanent first molar to its antimere with a brass wire. Intermolar arch width was calculated as distance from the central fossa of permanent maxillary first molar to its antimere. Data was analysed using SPSS 23.0. Prior to analysis assumptions were tested; an independent sample t-test was used to compare differences in crowded maxillary arch widths and spearman correlation was used to determine relationship between variables. Results: Significant differences were obtained in anterior (t(63) = -2.547, p=0.047) and posterior tooth size (t(63)= -2.218, p=0.030) in patients with mild, moderate and severe maxillary crowded arches and an in-verse weak correlation was obtained against maxillary crowding and maxillary arch widths (r=-0.054) and maxillary crowding and anterior tooth (r= -0.201) and posterior tooth size (r= -0.353). Conclusion: An inverse significant relation was found between crowding and tooth sizes & significantly different tooth sizes were observed in patients with mild, moderate and severe maxillary crowding.

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Relationship among lower arch length, arch width and arch perimeter in crowding and non-crowding groups

Abstract: SUMMARY Crowding is one of the causes of class I malocclusion.

Cited by 5 publications

References 21 publications

Association between Eruption Sequence of Posterior Teeth, Dental Crowding, Arch Dimensions, Incisor Inclination, and Skeletal Growth Pattern

Association between Eruption Sequence of Posterior Teeth, Dental Crowding, Arch Dimensions, Incisor Inclination, and Skeletal Growth Pattern

Assessment of Dental Crowding Occurring in Mixed Dentition in Maxillary and Mandibular Arches Based on Tooth Size–Arch Length Relationships and Certain Cephalometric Parameters

Tooth Size and Arch Widths in Crowded Class I Malocclusion

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