Abstract
BackgroundThe cold test is a specific test of pulp sensitivity and is part of the endodontic diagnosis. The aim of this study was to identify the diagnostic accuracy including sensitivity, specificity, accuracy, positive predictive value and negative predictive value in three sites for the cold test in teeth with a need for endodontic treatment within different age groups from both genders.MethodsA cross-sectional study was performed, evaluating 425 subjects. Two hundred and fifty-eight subjects from both genders from the ages of 17–27, 28–39, 40–50, and 51–65 years-old participated in the study. The cold test studied was 1, 1, 1, 2-tetrafluoroethane, and the gold standard was established through direct pulp inspection. The sites evaluated in the study were: The sites evaluated in the study were: a) the middle third of the buccal surface; b) the cervical third of the buccal surface, and c) the middle third of the lingual surface.ResultsThe highest diagnosted accuracy was observed on the middle third buccal surface with an accuracy of = 0.97, a sensitivity of = 1.00, a specificity of 0.95, a predictive value of = 0.95 and a negative predictive value of = 1.00. This was in the female group aged from 40 to 50 years old.ConclusionThe tables of this study can be used as an auxiliary for pulp sensitivity tests.
Highlights
The cold test is a specific test of pulp sensitivity and is part of the endodontic diagnosis
The predictive values are calculated with the results that are true and false. e) The positive predictive value (PPV) is the probability that a tooth without a sensitive response represents a tooth with necrotic pulp within the cold test; and f) the negative predictive value (NPV) is the probability that a tooth with a sensitive response represents a tooth with vital pulp within the cold test [7,8,9, 13]
20 teeth with vital pulp and 20 with necrotic pulp were identified with the gold standard with a total of 40 teeth per group
Summary
The cold test is a specific test of pulp sensitivity and is part of the endodontic diagnosis. The aim of this study was to identify the diagnostic accuracy including sensitivity, specificity, accuracy, positive predictive value and negative predictive value in three sites for the cold test in teeth with a need for endodontic treatment within different age groups from both genders. Authors identified false results or incorrect results in the diagnosis of teeth with vital and necrotic pulp in subjects with a need for endodontic treatment using pulp sensitivity tests [2, 5, 7, 14,15,16,17,18,19,20]. The aim of this study was to identify the diagnostic accuracy including sensitivity, specificity, accuracy, positive predictive value and negative predictive value of 3 placement sites for the cold test in teeth with a need for endodontic treatment in subjects of both genders within different age groups
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