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Related Concept Videos

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Habitat Fragmentation

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Habitat fragmentation describes the division of a more extensive, continuous habitat into smaller, discontinuous areas. Human activities such as land conversion, as well as slower geological processes leading to changes in the physical environment, are the two leading causes of habitat fragmentation. The fragmentation process typically follows the same steps: perforation, dissection, fragmentation, shrinkage, and attrition.
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In statistics, several tools are used to interpret the data. Measures of central tendency represent the characteristics of the data, such as mean, median, and mode. Additionally, measures of variance like standard deviation and range are used to find the spread of data from the mean. Relative standing measures the distance between data locations. Commonly used measures of relative standings are percentile, z score, and quartiles.
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Related Experiment Video

Updated: Feb 13, 2026

Detection and Removal of Tooth-Colored Composite Resin Using the Fluorescence-Aided Identification Technique
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Tooth fragment reattachment techniques-A systematic review.

Fernanda Cristina P Garcia1, Déborah L N Poubel1, Júlio César F Almeida2

  • 1Departamento de Odontologia, Faculdade de Ciências da Saúde, Universidade de Brasilia, Brasilia, Brazil.

Dental Traumatology : Official Publication of International Association for Dental Traumatology
|March 8, 2018
PubMed
Summary

Simple tooth fragment reattachment is preferred for fractured anterior teeth. Using an intermediate material enhances bond strength between the fragment and dentin, though more research is needed.

Keywords:
crown fracturedental traumatreatment

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Area of Science:

  • Dental materials science
  • Restorative dentistry
  • Dental trauma management

Background:

  • Tooth fractures are common, requiring effective reattachment strategies.
  • Current techniques for tooth fragment reattachment lack a consensus on optimal bond strength over time.
  • Assessing existing methods for fractured anterior teeth is crucial for clinical practice.

Purpose of the Study:

  • To evaluate reported tooth fragment reattachment techniques for fractured anterior teeth.
  • To identify the most effective methods for achieving long-term bond strength.
  • To synthesize current evidence on anterior tooth fragment restoration.

Main Methods:

  • Comprehensive literature search of major databases (PubMed, LILACS, Web of Science, Cochrane, Scopus) and gray literature.
  • Inclusion of case reports/series, cross-sectional studies, cohort studies, and in vivo clinical trials.
  • Data extraction and assessment by two independent reviewers.

Main Results:

  • Five studies met the inclusion criteria, primarily using composite resin and resin cement for reattachment.
  • Significant variability was observed in reattachment techniques and follow-up durations.
  • Simple fragment reattachment emerged as a preferred method.

Conclusions:

  • Simple tooth fragment reattachment is a favored technique.
  • The use of an intermediate material can improve bond strength between tooth fragments and dentin.
  • Further research with standardized follow-up periods and larger sample sizes is recommended.