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Related Experiment Videos

Pulp-test responses in orthodontic patients.

S G Cave1, T J Freer, H M Podlich

  • 1Dental School, The University of Queensland, Australia.

Australian Orthodontic Journal
|December 28, 2002
PubMed
Summary
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Diagnosing orofacial pain in orthodontic patients requires caution. Electric pulp testing responses are altered by orthodontic treatment, making thermal testing a more reliable diagnostic method.

Area of Science:

  • Dentistry
  • Orthodontics
  • Pain Management

Background:

  • Orofacial pain diagnosis can be challenging in orthodontic patients.
  • Orthodontic treatment may alter pulpal physiology and responses to diagnostic stimuli.

Purpose of the Study:

  • To investigate the effect of fixed orthodontic treatment on pulp vitality testing.
  • To compare the reliability of electric and thermal pulp testing during orthodontic treatment.

Main Methods:

  • Electric and cold stimuli were used to test pulp responses in maxillary incisors of orthodontic and non-orthodontic subjects.
  • Testing was conducted at baseline, after appliance placement, and up to 252 days post-treatment.
  • Response thresholds to electric and thermal stimuli were recorded.

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Main Results:

  • Orthodontic subjects initially had higher electric pulp testing thresholds, especially in lateral incisors.
  • Orthodontic force application increased electric pulp testing thresholds, peaking at two months and remaining elevated.
  • Thermal testing responses were more consistent and reliable compared to electric testing.

Conclusions:

  • Dental practitioners should interpret electric pulp testing results cautiously in orthodontic patients.
  • Thermal pulp testing, particularly with carbon dioxide snow, may offer a more reliable method for assessing pulp vitality during orthodontic treatment.