Correlation between symptoms and external characteristics of cracked teeth. Findings from The National Dental Practice-Based Research Network

Thomas J. Hilton, Ellen Funkhouser, Jack L. Ferracane, Gregg H. Gilbert, Camille Baltuck, Paul Benjamin, David Louis, Rahma Mungia, Cyril Meyerowitz

Research output: Research - peer-reviewArticle

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Abstract

Background: Cracked teeth are ubiquitous in the adult dentition. The objective of this study was to determine which patient traits and behaviors and external tooth and crack characteristics correlate with cracked teeth being symptomatic. Methods: Dentists in The National Dental Practice-Based Research Network enrolled a convenience sample of patients each with a single, vital posterior tooth with at least 1 observable external crack in this observational study; they enrolled 2,975 cracked teeth from 209 practitioners. The authors collected data at the patient level, tooth level, and crack level. They used generalized estimating equations to obtain significant (P < .05) independent odds ratios (OR) associated with teeth that were symptomatic for a crack. Results: Characteristics positively associated with cracked tooth symptoms, after adjusting for demographics, included patients who clenched, ground, or pressed their teeth together (OR, 1.30; 95% confidence interval [CI], 1.12-1.50), molars (OR, 1.58; 95% CI, 1.30-1.92), teeth with a wear facet through enamel (OR, 1.22; 95% CI, 1.01-1.40), carious lesions (OR, 1.31; 95% CI, 1.07-1.60), cracks that were on the distal surface of the tooth (OR, 1.31; 95% CI, 1.13-1.52), and cracks that blocked transilluminated light (OR, 1.31, 95% CI, 1.09-1.57). Teeth with stained cracks were negatively associated with having cracked tooth symptoms (OR, 0.68; 95% CI, 0.55-0.84). Conclusions: The greatest likelihood of a cracked tooth being symptomatic was found when patients reported clenching or grinding their teeth and had a molar with a distal crack that blocked transilluminated light. Practical Implications: This information can help inform dentists in the decision-making process regarding the prognosis for a cracked tooth.

LanguageEnglish (US)
JournalJournal of the American Dental Association
DOIs
StateAccepted/In press - 2017
Externally publishedYes

Fingerprint

Tooth
Research
Odds Ratio
Confidence Intervals
Dentists
Light
Permanent Dentition
Dental Enamel
Observational Studies
Decision Making
Demography

Keywords

  • Clinical trials
  • Cracked teeth
  • Practice-based research

ASJC Scopus subject areas

  • Dentistry(all)

Cite this

Correlation between symptoms and external characteristics of cracked teeth. Findings from The National Dental Practice-Based Research Network. / Hilton, Thomas J.; Funkhouser, Ellen; Ferracane, Jack L.; Gilbert, Gregg H.; Baltuck, Camille; Benjamin, Paul; Louis, David; Mungia, Rahma; Meyerowitz, Cyril.

In: Journal of the American Dental Association, 2017.

Research output: Research - peer-reviewArticle

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abstract = "Background: Cracked teeth are ubiquitous in the adult dentition. The objective of this study was to determine which patient traits and behaviors and external tooth and crack characteristics correlate with cracked teeth being symptomatic. Methods: Dentists in The National Dental Practice-Based Research Network enrolled a convenience sample of patients each with a single, vital posterior tooth with at least 1 observable external crack in this observational study; they enrolled 2,975 cracked teeth from 209 practitioners. The authors collected data at the patient level, tooth level, and crack level. They used generalized estimating equations to obtain significant (P < .05) independent odds ratios (OR) associated with teeth that were symptomatic for a crack. Results: Characteristics positively associated with cracked tooth symptoms, after adjusting for demographics, included patients who clenched, ground, or pressed their teeth together (OR, 1.30; 95% confidence interval [CI], 1.12-1.50), molars (OR, 1.58; 95% CI, 1.30-1.92), teeth with a wear facet through enamel (OR, 1.22; 95% CI, 1.01-1.40), carious lesions (OR, 1.31; 95% CI, 1.07-1.60), cracks that were on the distal surface of the tooth (OR, 1.31; 95% CI, 1.13-1.52), and cracks that blocked transilluminated light (OR, 1.31, 95% CI, 1.09-1.57). Teeth with stained cracks were negatively associated with having cracked tooth symptoms (OR, 0.68; 95% CI, 0.55-0.84). Conclusions: The greatest likelihood of a cracked tooth being symptomatic was found when patients reported clenching or grinding their teeth and had a molar with a distal crack that blocked transilluminated light. Practical Implications: This information can help inform dentists in the decision-making process regarding the prognosis for a cracked tooth.",
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