Methodical bias for comparison of periodontal ligament injection and local infiltration anesthesia for routine extractions in the maxilla

Peer W Kämmerer, Monika Daubländer Department of Oral, Maxillofacial and Facial Plastic Surgery, University Medical Centre Mainz, Mainz, GermanyWe read the article by Al-Shayyab1 with great interest, though we think that there is a methodical bias. Usage of standard dental syringe...

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Main Authors: Kämmerer PW, Daubländer M
Format: Article
Language:English
Published: Dove Medical Press 2018-03-01
Series:Therapeutics and Clinical Risk Management
Subjects:
Online Access:https://www.dovepress.com/methodical-bias-for-comparison-of-periodontal-ligament-injection-and-l-peer-reviewed-article-TCRM
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author Kämmerer PW
Daubländer M
author_facet Kämmerer PW
Daubländer M
author_sort Kämmerer PW
collection DOAJ
description Peer W Kämmerer, Monika Daubländer Department of Oral, Maxillofacial and Facial Plastic Surgery, University Medical Centre Mainz, Mainz, GermanyWe read the article by Al-Shayyab1 with great interest, though we think that there is a methodical bias. Usage of standard dental syringes with 27-gauge needles is not recommended for periodontal ligament (PDL) injections as they are very unlikely to achieve the correct pressure needed for successful single tooth anesthesia. In accordance with this, specialized syringes with short 30-gauge needles are commonly used all over the literature.2 The author addresses this in the “Discussion” section and writes that “a standard conventional dental syringe was used in the present study, not a special PDL syringe, since the former is readily available in the clinic and proves equally successful when a standard 27-gauge short needle was used,” citing Malamed from 1982 (a time during which the modern PDL syringes were not developed yet3) and Madan et al who write that “intraligamentary injection technique is equally effective when a standard 27-gauge needle is used”.4 The second assumption refers to the needle only, not the syringe. In addition, this needle issue is not proven by any reference or study. Therefore, one might come to the conclusion that PDL was not carried out correctly. Also, the authors did not evaluate pulp or tissue anesthesia and started the extraction procedure after a latency period of 5 minutes in all cases. In accordance with this, the success rates of the PDL injection cannot be given, but would be of interest.View the original paper by Al-Shayyab and colleagues.
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spelling doaj.art-0af9439550144abf9f2a7395160d46d62022-12-21T21:29:17ZengDove Medical PressTherapeutics and Clinical Risk Management1178-203X2018-03-01Volume 1459159437411Methodical bias for comparison of periodontal ligament injection and local infiltration anesthesia for routine extractions in the maxillaKämmerer PWDaubländer MPeer W Kämmerer, Monika Daubländer Department of Oral, Maxillofacial and Facial Plastic Surgery, University Medical Centre Mainz, Mainz, GermanyWe read the article by Al-Shayyab1 with great interest, though we think that there is a methodical bias. Usage of standard dental syringes with 27-gauge needles is not recommended for periodontal ligament (PDL) injections as they are very unlikely to achieve the correct pressure needed for successful single tooth anesthesia. In accordance with this, specialized syringes with short 30-gauge needles are commonly used all over the literature.2 The author addresses this in the “Discussion” section and writes that “a standard conventional dental syringe was used in the present study, not a special PDL syringe, since the former is readily available in the clinic and proves equally successful when a standard 27-gauge short needle was used,” citing Malamed from 1982 (a time during which the modern PDL syringes were not developed yet3) and Madan et al who write that “intraligamentary injection technique is equally effective when a standard 27-gauge needle is used”.4 The second assumption refers to the needle only, not the syringe. In addition, this needle issue is not proven by any reference or study. Therefore, one might come to the conclusion that PDL was not carried out correctly. Also, the authors did not evaluate pulp or tissue anesthesia and started the extraction procedure after a latency period of 5 minutes in all cases. In accordance with this, the success rates of the PDL injection cannot be given, but would be of interest.View the original paper by Al-Shayyab and colleagues.https://www.dovepress.com/methodical-bias-for-comparison-of-periodontal-ligament-injection-and-l-peer-reviewed-article-TCRMPeriodontal ligament injectionsyringeneedleinfiltration anesthesiaextractiondental
spellingShingle Kämmerer PW
Daubländer M
Methodical bias for comparison of periodontal ligament injection and local infiltration anesthesia for routine extractions in the maxilla
Therapeutics and Clinical Risk Management
Periodontal ligament injection
syringe
needle
infiltration anesthesia
extraction
dental
title Methodical bias for comparison of periodontal ligament injection and local infiltration anesthesia for routine extractions in the maxilla
title_full Methodical bias for comparison of periodontal ligament injection and local infiltration anesthesia for routine extractions in the maxilla
title_fullStr Methodical bias for comparison of periodontal ligament injection and local infiltration anesthesia for routine extractions in the maxilla
title_full_unstemmed Methodical bias for comparison of periodontal ligament injection and local infiltration anesthesia for routine extractions in the maxilla
title_short Methodical bias for comparison of periodontal ligament injection and local infiltration anesthesia for routine extractions in the maxilla
title_sort methodical bias for comparison of periodontal ligament injection and local infiltration anesthesia for routine extractions in the maxilla
topic Periodontal ligament injection
syringe
needle
infiltration anesthesia
extraction
dental
url https://www.dovepress.com/methodical-bias-for-comparison-of-periodontal-ligament-injection-and-l-peer-reviewed-article-TCRM
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