Observable characteristics coincident with internal cracks in teeth: Findings from The National Dental Practice-Based Research Network

National Dental Practice-Based Research Network Collaborative Group

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Background: This study determined if there are observable patient-, tooth- and crack-level characteristics markedly associated with whether a tooth with an external crack also has an internal crack. Methods: Two hundred nine dentists in The National Dental Practice-Based Research Network enrolled 2,858 adults with a vital permanent posterior tooth having at least 1 observed external crack. Presence and characteristics of internal cracks were recorded for 435 cracked teeth that were treated. Generalized estimating equations were used to identify significant (P <.05) independent odds ratios associated with the tooth having internal cracks. Results: Overall, 389 teeth (89%) had at least 1 internal crack, with 46% of these teeth having 2 or more internal cracks. Sixty-nine percent of treated cracked teeth were associated with 1 or more types of pain assessed before treatment; 53% were associated with cold testing, 37% with bite testing, and 26% with spontaneous pain. In the final model, biting pain, having an external crack that connected with a restoration, or an external crack that extended onto the root was each associated with more than a 2-fold increased odds of having an internal crack. Conclusions: Essentially 9 of 10 teeth that had at least 1 external crack also had at least 1 internal crack. Practical Implications: The external cracks that a dental practitioner should be most concerned about, because they are most likely to be associated with internal cracks in the tooth, are those in which the patient experiences biting pain, is connected with a restoration of some type, or extends onto the root.

Original languageEnglish (US)
Pages (from-to)885-892.e6
JournalJournal of the American Dental Association
Volume149
Issue number10
DOIs
StatePublished - Oct 1 2018

Fingerprint

Tooth
Research
Pain
Bites and Stings
Dentists
Odds Ratio

Keywords

  • Cracked teeth
  • cracked tooth
  • internal crack
  • practice-based research
  • symptoms

ASJC Scopus subject areas

  • Dentistry(all)

Cite this

Observable characteristics coincident with internal cracks in teeth : Findings from The National Dental Practice-Based Research Network. / National Dental Practice-Based Research Network Collaborative Group.

In: Journal of the American Dental Association, Vol. 149, No. 10, 01.10.2018, p. 885-892.e6.

Research output: Contribution to journalArticle

National Dental Practice-Based Research Network Collaborative Group. / Observable characteristics coincident with internal cracks in teeth : Findings from The National Dental Practice-Based Research Network. In: Journal of the American Dental Association. 2018 ; Vol. 149, No. 10. pp. 885-892.e6.
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abstract = "Background: This study determined if there are observable patient-, tooth- and crack-level characteristics markedly associated with whether a tooth with an external crack also has an internal crack. Methods: Two hundred nine dentists in The National Dental Practice-Based Research Network enrolled 2,858 adults with a vital permanent posterior tooth having at least 1 observed external crack. Presence and characteristics of internal cracks were recorded for 435 cracked teeth that were treated. Generalized estimating equations were used to identify significant (P <.05) independent odds ratios associated with the tooth having internal cracks. Results: Overall, 389 teeth (89{\%}) had at least 1 internal crack, with 46{\%} of these teeth having 2 or more internal cracks. Sixty-nine percent of treated cracked teeth were associated with 1 or more types of pain assessed before treatment; 53{\%} were associated with cold testing, 37{\%} with bite testing, and 26{\%} with spontaneous pain. In the final model, biting pain, having an external crack that connected with a restoration, or an external crack that extended onto the root was each associated with more than a 2-fold increased odds of having an internal crack. Conclusions: Essentially 9 of 10 teeth that had at least 1 external crack also had at least 1 internal crack. Practical Implications: The external cracks that a dental practitioner should be most concerned about, because they are most likely to be associated with internal cracks in the tooth, are those in which the patient experiences biting pain, is connected with a restoration of some type, or extends onto the root.",
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AU - Graves, Cynthia L.

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AU - Gilbert, Gregg H.

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