Abstract
BackgroundThe aim of this study is to evaluate the change in pulp chamber temperature during the stripping technique.MethodsSeventy-eight proximal surfaces of 39 extracted human teeth were stripped by two techniques: double-sided perforated stripping disk (PSD) and handheld stripper (HS). The teeth were divided into three groups: incisors (group 1), premolars (2), and molars (3). A J type thermocouple was inserted into the pulp chamber for temperature evaluation during the stripping procedure.ResultsTemperature rise was observed in all groups. The average temperature increase for the incisors was 2.58°C (±0.27°C) with PSD and 1.24°C (±0.3°C) with HS; for the premolars, 2.64°C (±0.29°C) with PSD and 0.96°C (±0.39°C) with HS; and for the molars, 2.48°C (±0.38°C) with PSD and 0.92°C (±0.18°C) with HS. There was significant difference (p < 0.001) in pulp temperature variation among the stripping techniques evaluated. Greater variations in the temperature were observed for the stripping technique with PSD for all groups (3.1°C in incisors and premolars, 3.2°C in molars). Stripping performed with HS had minor differences in pulp temperature (1.7°C in incisors, 1.9°C in premolars, and 1.2°C in molars) than those in PSD group. However, the temperature variation was less than the critical threshold (5.5°C) in all groups. The results for teeth group comparison showed no significant difference in the temperature variation.ConclusionsThe stripping technique with PSD produced significant increase in pulp temperature, with no differences between the types of teeth. However, it may not be clinically relevant, and both stripping techniques can be used safely.
Highlights
The aim of this study is to evaluate the change in pulp chamber temperature during the stripping technique
Taking into account that the use of instruments for stripping tooth enamel can cause irreversible changes in the pulp tissue by the rise of temperature, this in vitro study aimed to evaluate the change in temperature of the pulp chamber during stripping with metal handheld stripper and with perforated stripping disk at low speed, both techniques without refrigeration to enhance visualization of the operative field
Thermal changes on the pulp tissue were evaluated in the teeth which were subjected to different types of procedures such as dental cavities, resin composite light curing, laser application, orthodontic bonding and debonding, and stripping in several studies in the areas of orthodontics and restorative dentistry [2,15,19]
Summary
The aim of this study is to evaluate the change in pulp chamber temperature during the stripping technique. The stripping technique is a clinical procedure characterized by the interproximal enamel reduction of the teeth. Being a procedure routinely performed in clinical orthodontics for non-extraction treatments [8], some studies evaluated the possible deleterious effects of stripping technique on the proximal area. Enamel irregularities, such as scratches, resulting from an inadequate technique could increase the susceptibility of these teeth to the accumulation of plaque with consequent higher propensity to decays and periodontal diseases [9,10,11]. Craig and Sheridan [12] and Sheridan and Ledoux [13] concluded that posterior teeth whose interproximal enamel were stripped are not more susceptible to decay or periodontal disease
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