Loss of Space According to the Time and the Type of the Premature Extracted Deciduous Teeth

Andreeva, Radosveta; Arnautska, Hristina; Belcheva, Ani; Georgieva, Milena; Dimitrov, Evgeni

doi:10.5272/jimab.2016222.1169

Cited by 6 publications

(3 citation statements)

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“…De estos 15 artículos, 9 6, 9, 10, 11, 14, 16, 19, 22, 25 consideraron colocar mantenedor de espacio después de la pérdida prematura del primer molar primario, debido a la perdida de espacio por un mayor movimiento mesial del segundo molar primario superior y un mayor movimiento distal del canino inferior. De estos 9 solo 2 6,16 consideraron que la longitud y ancho del arco dental eran afectados al perder prematuramente un primer molar inferior primario; 3 artículos (Cuoghi 10 , Kumari 9 y Andreeva 19 ) consideraron que la mayor pérdida de espacio se da en los primeros meses después de la perdida prematura y solo el artículo de Park 11 Sin embargo se considera que muchos factores condicionan a la perdida de espacio después de la perdida prematura de un primer molar primario, como por ejemplo, la cantidad de discre-pancia negativa diente-arco, el status de erupción del primer molar permanente, el momento de la perdida prematura, entre otros 11,12,24 .…”

Section: Resultsunclassified

“…La pérdida de espacio disminuye con el tiempo, muchos autores indican que esta pérdida se da dentro de los 6 meses después de la perdida prematura, 15,19 sin embargo, la mayor pérdida se da durante los 4 primeros meses. 9 Es por ello que si un mantenedor de espacio no es colocado poco después de la pérdida prematura, la oportunidad de evitar la pérdida de espacio en el sitio de extracción puede haber ya pasado, 20 debido a que la incidencia de la perdida de espacio va disminuyendo un poco después de los 6 meses.…”

Section: Discussionunclassified

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Toma de decisión para colocar mantenedor de espacio después de la pérdida prematura de primeros molares primarios: Revisión de literatura

Guerrero¹,

Cevallos²

2021

Rev. Odontopediatr. Latinoam.

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Introducción: La pérdida prematura de molares primarios ha sido asociada con la perdida de espacio y dificultades eruptivas. Sin embargo, existen opiniones diferentes sobre la necesidad de colocar mantenedor de espacio después de la pérdida prematura de un primer molar primario. El propósito de esta revisión es proporcionar un resumen de la evidencia disponible respecto a la colocación de mantenedor de espacio después de la perdida prematura del primer molar primario. Métodos: Se realizó una revisión de literatura en base de datos electrónicas desde el año 1977 hasta el 2016, en las bases de datos (Pubmed, Medline, EBSCO). Resultados: La mayor parte de estudios concluyeron que la mayor pérdida de espacio ocurre después de la perdida prematura de un primer molar primario mandibular. Muchos factores condicionan está perdida, como lo son la falta de espacio disponible, el status de erupción del primer molar permanente, el momento de la perdida prematura, entre otros. Conclusiones: Según los estudios consultados la magnitud de la pérdida de espacio después de la pérdida prematura de un primer molar primario es clínicamente cuestionable, no tiene un gran efecto en los arcos dentales. Sin embargo se ha demostrado un gran efecto en el sitio de extracción por lo cual el mantenedor de espacio debe ser usado lo más temprano posible para evitar el desplazamiento de los dientes adyacentes. Cabe resaltar que el tamaño de las muestras y la metodología de algunos artículos son limitadas, por lo cual se requiere estudios de mejor calidad metodológica.

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Section: Resultsunclassified

Section: Discussionunclassified

Toma de decisión para colocar mantenedor de espacio después de la pérdida prematura de primeros molares primarios: Revisión de literatura

Guerrero¹,

Cevallos²

2021

Rev. Odontopediatr. Latinoam.

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“…The loss of deciduous teeth prematurely either by extraction or by exfoliation can lead to the loss of spaces due to the migration of the adjacent teeth, and to prevent this, the usage of space maintainers is required. 22 This loss of space becomes more significant when the first molar is affected either by premature extraction or exfoliation. 23 – 25 The mandibular incisors, being one of the earliest teeth to erupt in the oral cavity, are thus chosen for measurement as it is found to be commonly involved in problems of space management.…”

Section: Discussionmentioning

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Applicability of Different Mixed Dentition Analyses among Children Aged 11–13 Years in Chennai Population

Ravinthar

Gurunathan

2020

International Journal of Clinical Pediatric Dentistry

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Introduction Mixed dentition is the stage where both primary and permanent teeth are present and hence is the time for developing occlusion. Mixed dentition analysis forms an essential part of an orthodontic assessment. Moyer's method which is commonly used for this analysis is based on data derived from a Caucasian population. Tanaka–Johnston developed prediction tables comparable with that of Moyer's from teeth measurement study models. Aim To test the reliability of Moyer's and Tanaka–Johnston's mixed dentition space analyses among children in Chennai. Materials and methods The mesiodistal measurements of the mandibular incisors, maxillary canines, and premolars were taken by measuring the greatest distance between the contact points on the proximal surfaces using a dental digital caliper set on dental casts of 1,000 children. Predicted values were obtained using Moyer's probability analysis at the 75th percentile and Tanaka–Johnston method. The statistical analysis for both sexes was done using Student's t test and unpaired t test. Results On application of the statistical analysis after the collection of data, it was found that the mean value in males was higher than the actual values in maxillary right and left sides when compared with the mandibular right and left sides while employing Moyer's method. The standard deviation (SD) was higher in the actual values when compared with the predicted values. Statistically significant values were obtained for the maxillary left side and the mandibular left side, but there was no statistical difference in the maxillary and mandibular right sides. Among females, it was found that the actual values had a higher mean value in the maxillary arch when compared with the mandibular arch than the values obtained when Moyer's formula was applied. Conclusion Both Moyer's and Tanaka–Johnson's mixed analyses when applied to children in Chennai tended to show that predicted values were higher than actual values with no significant differences observed among the regression equations. How to cite this article Ravinthar K, Gurunathan D. Applicability of Different Mixed Dentition Analyses among Children Aged 11–13 Years in Chennai Population. Int J Clin Pediatr Dent 2020;13(2):163–166.

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Dental arch spatial changes after premature loss of first primary molars: a systematic review and meta-analysis of split-mouth studies

Zhao

Jin

et al. 2023

BMC Oral Health

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Background This study aimed to evaluate spatial changes in dental arches resulting from premature loss of first primary molars and assess the necessity of a space maintainer. Methods We searched the electronic databases PubMed, Cochrane Library, ClinicalTrials, and EMBASE. Split-mouth studies involving unilateral premature loss of a primary first molar were included. Quality assessment of selected studies made use of the ROBINS-I tool. Mean space differences were calculated for the D + E and D spaces, arch width, arch length, arch perimeter. Results Of the 329 studies considered, 11 split-mouth studies were selected, including 246 cases in the maxilla and 217 in the mandible from 477 individuals aged 5–10 years. Over the medium-term follow-up period (6–24 months), space loss was 0.65 mm in the maxillary D + E (MD 0.65, 95% CI 0.15–1.16, P = 0.01), 1.24 mm in the mandibular D + E (MD 1.24, 95% CI 0.60–1.89, P < 0.01), and 1.47 mm in the mandibular D (MD 1.47, 95% CI 0.66–2.28, P < 0.01). There was no significant change in arch width, length, or arch perimeter between the initial and follow-up examinations (P > 0.05). Conclusions After premature loss of first primary molars, space can be lost, but the amount of loss would not affect arch width, length, or arch perimeter over the 6–24 months follow-up period.

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Loss of Space According to the Time and the Type of the Premature Extracted Deciduous Teeth

Cited by 6 publications

References 1 publication

Toma de decisión para colocar mantenedor de espacio después de la pérdida prematura de primeros molares primarios: Revisión de literatura

Toma de decisión para colocar mantenedor de espacio después de la pérdida prematura de primeros molares primarios: Revisión de literatura

Applicability of Different Mixed Dentition Analyses among Children Aged 11–13 Years in Chennai Population

Dental arch spatial changes after premature loss of first primary molars: a systematic review and meta-analysis of split-mouth studies

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Loss of Space According to the Time and the Type of the Premature Extracted Deciduous Teeth

Cited by 6 publications

References 1 publication

Toma de decisión para colocar mantenedor de espacio después de la pérdida prematura de primeros molares primarios: Revisión de literatura

Toma de decisión para colocar mantenedor de espacio después de la pérdida prematura de primeros molares primarios: Revisión de literatura

Applicability of Different Mixed Dentition Analyses among Children Aged 11&ndash;13 Years in Chennai Population

Dental arch spatial changes after premature loss of first primary molars: a systematic review and meta-analysis of split-mouth studies

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Applicability of Different Mixed Dentition Analyses among Children Aged 11–13 Years in Chennai Population