More accurate management of resorption can be achieved thanks to the three-dimensions volumetric and linear analysis, and the axial classification presented in this study.
The aim of this study was to investigate the volumetric and linear analysis, and to present the axial classification of root resorptions using cone beam computed tomography (CBCT). A total of 43 teeth of external cervical resorption (ECR) (n=27), external replacement resorption (ERR) (n=4) and internal root resorption (IRR) (n=12) were identified from 34 patients. The volume of resorption and total tooth, the widest lengths of these resorptions, and the amount of thinnest dentin thickness around them were measured and compared according to age and sex. Additionally, the eight regional axial classification was performed and the percentages in these regions were evaluated. Significance was set at p=0.05 for statistical analysis. More accurate management of resorption can be achieved thanks to the three-dimensions volumetric and linear analysis, and the axial classification presented in this study.
Study Type
OBSERVATIONAL
Enrollment
43
Recep Tayyip Erdogan University Training and Research Hospital
Rize, Turkey (Türkiye)
Volume of total tooth and resorbed area
The total volume and the resorption volume were measured with used 3D semi-automatic segmentation program (ITK-SNAP 2.4)
Time frame: for three months from the beginning of the study
Measurement widest mesio-distal length, bucco-lingual length and corono-apical length of the resorbed lesion
Linear measurement were measured with used Planmeca ProMax 3D Classic (Planmeca Promax 3D; Planmeca Oy; Helsinki, Finland)
Time frame: for three months from the beginning of the study
Linear measurements for thinnest dentin (buccal, distal, mesial and lingual/ palatinal) and resorbed area (mesio-distal length and bucco-lingual length) were made on axial sections
Linear measurement were measured with used Planmeca ProMax 3D Classic (Planmeca Promax 3D; Planmeca Oy; Helsinki, Finland)
Time frame: for three months from the beginning of the study
The corono-apical length was measured on sagittal sections where the tooth axis was perpendicular to the ground plane.
Linear measurement were measured with used Planmeca ProMax 3D Classic (Planmeca Promax 3D; Planmeca Oy; Helsinki, Finland)
Time frame: for three months from the beginning of the study
the axial section of the tooth was divided into eight parts and regional settlement classification was performed
Segmentation were made with used Planmeca ProMax 3D Classic (Planmeca Promax 3D; Planmeca Oy; Helsinki, Finland)
Time frame: for three months from the beginning of the study
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