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Table 5 Analysis of the correlation of MFMs with DLRs and root canal configurations of MLIs ipsilaterally and contralaterally

From: Vertucci’s root canal configuration of 11,376 mandibular anteriors and its relationship with distolingual roots in mandibular first molars in a Cantonese population: a cone-beam computed tomography study

 

Number ofspecimens (n)

    

MFM, Right

    

Without DLR

With DLR

Total

P-value

    

MFM, Left

   

****

    

Without DLR

1300

175

1475

     

With DLR

129

292

421

     

Total

1429

467

1896

     
 

Number of specimens (n)

    

MLI, Right

    

Single

Complicated

Total

P-value

    

MLI, Left

   

****

    

Single

1177

135

1312

     

Complicated

131

453

584

     

Total

1308

588

1896

     
 

Number of specimens (n)

Number of specimens (n)

MLI, Left

MLI, Right

Single

Complicated

Total

P-value

Single

Complicated

Total

P-value

MFM, Left

        

Without DLR

1050

425

1475

***

1055

420

1475

****

With DLR

262

159

421

 

253

168

421

 

Total

1312

584

1896

 

1308

588

1896

 

MFM, Right

        

Without DLR

1017

412

1429

**

1011

418

1429

**

With DLR

295

172

467

 

297

170

467

 

Total

1312

584

1896

 

1308

588

1896

 
  1. The level of statistical significance was set at P < 0.05. **P < 0.01, ***P < 0.001, ****P < 0.0001