Pulp sensitivity changes during orthodontic treatment at different time periods: a prospective study
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ORIGINAL ARTICLE
Pulp sensitivity changes during orthodontic treatment at different time periods: a prospective study Benjamín Briseño-Marroquín 1,2 Thomas Gerhard Wolf 1,2
&
Héctor López-Murillo 3 & Robert Kuchen 4 & Adán Casasa-Araujo 3 &
Received: 2 June 2020 / Accepted: 20 October 2020 # The Author(s) 2020
Abstract Objective The purpose of this investigation was to recognize pulp sensitivity changes in teeth receiving orthodontic treatment by means of an electric pulp tester (Vitality Scanner Model 2006; Kerr Corporation, Brea CA, USA). Materials and methods An electric stimulus response threshold of eight teeth in 22 patients was measured prior to positioning orthodontic attachments, immediately before ligation of a nickel titanium archwire, immediately after ligation of a stainless steel archwire and 9 to 15 months after having achieved the clinical purposes established with the nickel titanium archwires. The first measurement served as baseline. Results All teeth responded to an electrical stimulus at all times. No statistical differences were observed between the response thresholds obtained at different treatment times. The mean response threshold of the second measurement showed a decreasing response threshold tendency when compared with those of the baseline measurement. The mean response threshold of the third measurement showed an increasing tendency when compared with those of the baseline measurement. The first maxillary incisor and canine showed the lowest decreasing response threshold after the second measurement and the highest increasing response threshold after the third measurement. Less noticeable, but similar decreasing and increasing response threshold tendencies were observed in all other teeth after the second and third measurements, respectively. Conclusions The results obtained in this investigation suggest that pulp sensitivity can be monitored during orthodontic treatment by means of an electric pulp tester. Clinical relevance The importance of monitoring the pulp status during orthodontic treatment. Keywords Electric pulp tester . Pulp sensitivity . Orthodontic treatment . Orthodontic forces
Introduction
* Benjamín Briseño-Marroquín [email protected] 1
Department of Restorative, Preventive and Paediatric Dentistry, School of Dental Medicine, University of Bern, Freiburgstrasse 7, CH-3010 Bern, Switzerland
2
Department of Periodontology and Operative Dentistry, University Medical Center, Johannes Gutenberg University Mainz, Mainz, Germany
3
Center for Advanced Studies in Orthodontics A.C., Mexico City, Mexico
4
Institute for Medical Biometrics, Epidemiology and Informatics, University Medical Center, Johannes Gutenberg University Mainz, Mainz, Germany
The dental profession is yet to establish a simple, objective, standardized, reproducible, noninvasive, and accurate method to diagnose diseases of the dental pulp. Electric pulp testing is a sensitivity pulp testing method based on stimulation of sensory nerves that relies on a given patient’s subjective reacti
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