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Margin of Error

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The margin of error is also called the maximum error of an estimate. The margin of error is the maximum possible or expected difference between the observed sample parameter value and the actual population parameter value. For proportion, it is the maximum difference between the value of sample proportion obtained from the data and the true value of population proportion. As the true value of the population parameter is not known, the margin of error is calculated using the sample statistic.

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Related Experiment Video

Updated: May 21, 2026

Enhanced Communication of Tumor Margins Using 3D Scanning and Mapping

Enhanced Communication of Tumor Margins Using 3D Scanning and Mapping

Published on: December 15, 2023

Extension for prevention: margin placement.

Thomas D Larson¹

¹Department of Restorative Sciences, Division of Operative Dentistry, University of Minnesota School of Dentistry, 8-450 Moos Tower, 515 Delaware Street S.E., Minneapolis, Minnesota 55455, USA. larso004@umn.edu

Northwest Dentistry

|June 6, 2012

Summary

This summary is machine-generated.

This review examines the evolution of extension for prevention in dentistry, highlighting how modern understanding of caries and improved restorative materials have refined cavity outline forms. It emphasizes the scientific basis for outline placement relative to tooth anatomy and surrounding tissues.

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Area of Science:

Restorative Dentistry
Dental Public Health

Background:

The principle of 'extension for prevention' was introduced by G.V. Black in the early 1900s.
Dental caries management and restorative techniques have significantly evolved since then.

Observation:

Modern understanding of the caries process informs current preventive strategies.
Advancements in dental materials, instruments, and techniques have altered restorative approaches.

Findings:

The article details the rationale for placing cavity outline forms based on tooth morphology, gingival tissue, and adjacent teeth.
It discusses material selection and its influence on outline form placement in restorative dentistry.
Scientific evidence supporting outline form placement is reviewed.

Implications:

Understanding the historical context and evolution of extension for prevention is crucial for contemporary dental practice.
Evidence-based decisions regarding cavity preparation and material selection optimize restorative outcomes.
This review provides a scientific foundation for dental practitioners in designing cavity outlines.