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. Author manuscript; available in PMC: 2020 Apr 21.
Published in final edited form as: J Prosthet Dent. 2019 Jun 12;123(1):71–78. doi: 10.1016/j.prosdent.2018.12.005

Table 3.

Independent associations with cracked tooth being recommended for restoration versus monitoring1

Characteristic Odds Ratio 95% Confidence Interval P2
Caries present 67.9 37.6 to 122.6 <.001
Biting pain 7.3 5.2 to 10.2 <.001
Evidence on radiograph 4.8 2.6 to 8.8 <.001
Spontaneous pain 2.9 2.0 to 4.0 <.001
Cold pain 1.7 1.4 to 2.2 <.001
Dental insurance 1.3 1.1 to 1.6 .006
Has a crack that:
 Is detectable with explorer 1.6 1.2 to 2.0 <.001
 Blocks trans-illuminated light 1.4 1.1 to 1.8 .019
 Connects with restoration 1.4 1.1 to 1.8 .005
 Horizontal direction 1.3 1.0 to 1.6 .024
1

Teeth recommended for nonsurgical treatments (n=11), endodontics only (n=9) or extraction (n=2) are excluded

2

From generalize estimating equations adjusting for clustering within practice using stepwise regression, retaining if P<.05