A comparison of seven mixed dentition analysis methods and to evaluate the most reliable one in Nalgonda population

Kondapaka, Vikasini; Sesham, Vasu Murthy; Neela, Praveen Kumar; Mamillapalli, Pavan Kumar

doi:10.1177/0974909820150102

Cited by 4 publications

(5 citation statements)

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“…Kondapaka et al conducted a study where they compared seven methods of analysis to find the most reliable method. Bachmann's method proved to have an average correlation, which did make it reliable but not the most reliable 16 . Legović et al compared different mixed dentition analysis methods for predicting the size of unerupted canines and premolars 17 .…”

Section: Discussionmentioning

confidence: 93%

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Applicability of Two Non-Radiographic Mixed Dentition Analysis Methods in Orthodontic Patients

2021

PJMD

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Background: Using erupted components of a dental arch to estimate the width of the unerupted dental components are the basis of mixed dentition analysis. Non-radiographic mixed dentition analysis employs a regression equation to assess the width of the unerupted canines and premolars. In this study, we assessed the applicability of two non-radiographic methods of mixed dentition analysis in orthodontic patients. Methods: This cross-sectional research was carried out from the records of Ziauddin College of Dentistry, Department of Orthodontics, from November 2019 to March 2020. Pre-treatment dental casts of 120 subjects (60 males and 60 females) aged between 12-30 years undergoing orthodontic treatment were selected. The mesiodistal widths from the left first molar to the right first molar were measured using a digital Vernier caliper on pretreatment dental casts of both arches. Bachman’s and Tanaka-Johnston methods were applied to estimate the widths of canine and premolars. Gender dimorphism for actual and estimated values was assessed using an independent t-test and a paired t-test was applied for the comparison between the actual and estimated mesiodistal widths of canine and premolar. Results: The actual and estimated widths of canine and premolars reported 14.3±1.4 years for males and 13.4±1.2 years for females. In addition, the Bachman’s and Tanaka-Johnston method overestimated the actual widths of unerupted canine and premolar but the difference was statistically insignificant (p≥ 0.05) in both the genders. Conclusion: The two non-radiographic methods were reliable for mixed dentition analysis with minor overestimation between actual and estimated widths (ICC=0.79). This makes both the methods applicable interchangeably in regular clinical practice.

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Section: Discussionmentioning

confidence: 93%

“…It has also been concluded by recent studies, that mandibular incisors alone are not the most accurate predictors. For better accuracy, a sum of incisors and maxillary first molars should be used 16,17 . Moreover, the accuracy and reliability of Bachman's method for mixed dentition analysis was required to be assessed in our population.…”

Section: Introductionmentioning

confidence: 99%

Applicability of Two Non-Radiographic Mixed Dentition Analysis Methods in Orthodontic Patients

2021

PJMD

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“…Tanaka-Johnston (7) and Moyers techniques(13) are the two most often utilized methods of mixed dentition analysis in children. Among the seven different mixed dentition analyses, Moyer's mixed dentition analysis was shown to be the most reliable and valuable method of evaluation (26). The sum of the mesiodistal dimensions of the erupted lower permanent incisors in the 75th percentile of Moyer's mixed dentition prediction table is used to estimate the width of unerupted permanent teeth.…”

Section: Discussionmentioning

confidence: 99%

Reliability evaluation of 3-D models when compared with plaster models for mixed dentition analysis

Abirami¹,

Jain²,

Dinesh³

2022

ijhs

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AIM: Inclination towards digital models in orthodontics is increasing and several software programs are available to perform virtual model analyses for diagnosis & treatment planning. The aim of this study was to compare as well assess the accuracy and validity of 3D models over plaster casts for mixed dentition analysis. MATERIALS AND METHODS: This prospective cross-sectional study was conducted on 16 children from the age group of 8-13 years with mixed dentition. Intraoral scanning using a 3D scanner (MEDIT) to generate digital models of the upper and lower arches, then alginate impressions were taken and models poured. Mixed dentition model analysis, specifically Moyers and Tanaka Johnston analysis, were performed with measurements made on both plaster models using digital vernier calipers and digital models. Obtained data was statistically analyzed using SPSS software (IBM corp, version 13). RESULTS: Statistical analysis of the data comparison between digital and plaster models of both Moyers and Tanaka Johnston mixed dentition analysis gave us a ‘p’ value greater than 0.05 hence proving the null hypothesis. CONCLUSION: When analysing mixed dentition, virtual models are 95% as accurate as plaster models.

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“…In a study conducted by Kondapa et al . [ 7 ] found Moyer's analysis to be the most reliable method for evaluation as compared to seven different mixed dentition analysis followed by Tanaka-Johnston. Therefore, in our study, we considered the two most established and reliable analysis to evaluate and collate the variation between data obtained from CBCT images and plaster models; we concluded that CBCT-derived images were less reliable as compared to data obtained directly from plaster model for mixed dentition analysis.…”

Section: Discussionmentioning

confidence: 99%

A comparative evaluation of mixed dentition analysis on reliability of cone beam computed tomography image compared to plaster model

Gowd

Shankar

Dash

et al. 2017

J Int Soc Prevent Communit Dent

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Aims and Objective:The aim of the study was to evaluate the reliability of cone beam computed tomography (CBCT) obtained image over plaster model for the assessment of mixed dentition analysis.Materials and Methods:Thirty CBCT-derived images and thirty plaster models were derived from the dental archives, and Moyer's and Tanaka-Johnston analyses were performed. The data obtained were interpreted and analyzed statistically using SPSS 10.0/PC (SPSS Inc., Chicago, IL, USA). Descriptive and analytical analysis along with Student's t-test was performed to qualitatively evaluate the data and P < 0.05 was considered statistically significant.Results:Statistically, significant results were obtained on data comparison between CBCT-derived images and plaster model; the mean for Moyer's analysis in the left and right lower arch for CBCT and plaster model was 21.2 mm, 21.1 mm and 22.5 mm, 22.5 mm, respectively.Conclusion:CBCT-derived images were less reliable as compared to data obtained directly from plaster model for mixed dentition analysis.

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A comparison of seven mixed dentition analysis methods and to evaluate the most reliable one in Nalgonda population

Cited by 4 publications

References 0 publications

Applicability of Two Non-Radiographic Mixed Dentition Analysis Methods in Orthodontic Patients

Applicability of Two Non-Radiographic Mixed Dentition Analysis Methods in Orthodontic Patients

Reliability evaluation of 3-D models when compared with plaster models for mixed dentition analysis

A comparative evaluation of mixed dentition analysis on reliability of cone beam computed tomography image compared to plaster model

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