Dental Indices: Importance and Classification
Dive into the world of dental indices, essential tools for assessing oral health conditions. Learn about their significance, properties, classification, and various types. Explore how these indices help in disease assessment, policy planning, and treatment evaluation.
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Presentation Transcript
dddlec Dr. Haraa Khairi AlHadithi
Dental Indices Index: A set of values usually numerical with maximum and minimum limits used to describe variables of specific conditions on a graduated scale, which use the same criteria and method to compare a specific variable found in a population with that same variable found in other population.
of an index: To make accurate assessment of the extent and severity of the disease and to compare the disease status among individuals and communities. To find out etiological and predisposing factors for the diseases. For planning of oral health policy. To assess the efficiency of measures undertaken to overcome the disease may be preventive or curative programs.
properties of an index: Clarity: carry out the index rules in his mind Simplicity : easily to apply , no time lost. Objectivity : clear cut Validity : measure what it is intended to measure(MT CA) Reliability : measure consistently at different times and under a variety of conditions.
Quantifiability : meaning to statistical analysis Sensitivity : be able to detect reasonably small shifts, in either direction in the condition. Acceptability : should not be painful or demeaning to the subject.
Classification or types of indices: Simple index : measures the presence or absence of a condition PlI Cumulative index: measures all the evidence of a condition (past and present) DMFT Irreversible index: measures the conditions that will not return to the normal state ...DMF Reversible index: measures the conditions that can be return to the normal state .GI Composite index : measures conditions that can be return to the normal state and conditions will not return to the normal state .PDI
Full mouth indices: measure the patients entire dentition ..DFI Simplified indices : measure only representative samples of dental apparatus ..OHI-S Disease index : D (Decay) portion of the DMF index is the best example for disease index. Symptom index : e.g. measuring gingival or sulcular bleeding Treatment index : e.g. the F (Filled) portion of DMF index
Recommended method of performance of an index: Explain procedure to patient. Drape patient. Give patient protective eyewear. Wash hands. Wear PPE. (Personal protective equipment) Adjust Position of patient in dental chair. Adjust dental light for maximum illumination. Apply lubricant gel to patient lips. Dry teeth with compressed air using recommended sequence. Carry out the index
