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Table 4 Correlation between periodontal phenotypic parameters measured according to different reference points (Spearman correlation test, Rho)

From: Comparison of gingival and periodontal phenotype classification methods and phenotype-related clinical parameters: cross-sectional observational study

 

TP (n = 180 teeth)

CBCT (n = 180 teeth)

Phenotypic variables

Marginal

Middle

Apical

Marginal

Middle

Apical

Middle

Apical

 

GT

GT

GT

GT

GT

GT

BBT

BBT

 

Middle GT

0.519**

-

      

TP

Apical GT

0.554**

0.477**

-

     
 

Marginal GT

0.886**

0.451**

0.479**

-

    
 

Middle GT

0.355**

0.777**

0.257**

0.428**

-

   
 

Apical GT

0.434**

0.371**

0.782**

0.451**

0.317**

-

  

CBCT

Middle BBT

0.346**

0,019

0.226**

0.314**

-0,119

0.171*

-

 
 

Apical BBT

0.317**

0.344**

0,116

0.356**

0,389**

0,096

0.442**

-

KTW

0.273**

0,067

0,091

0.298**

0,033

0,097

0.403**

0.225**

  1. *p < 0.05, **p < 0.01 TP: Transgingival probing, CBCT: Cone Beam Computed Tomography, GT: Gingival thickness, BBT: Buccal bone thickness, KTW: Keratinized tissue width