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Table 7 Comparison of root axis angle to occlusal plane between estimated and actual tooth models in deep learning method (unit: degree)

From: Accuracy of deep learning-based integrated tooth models by merging intraoral scans and CBCT scans for 3D evaluation of root position during orthodontic treatment

 

Estimated tooth model

Actual tooth model

P value*

Mean

SD

Max

Min

Mean

SD

Max

Min

Maxilla

 Incisors

59.0

3.9

68.2

51.6

59.5

2.9

67.1

54.7

0.455

 Canine

68.5

4.1

74.2

60.4

68.1

3.4

72.3

61.7

0.522

 Second premolar

78.4

5.8

87.4

70.7

77.7

5.1

85.0

71.1

0.425

 First molar

82.6

3.4

88.2

79.2

80.2

3.1

83.4

75.1

0.021*

Mandible

         

 Incisors

60.1

6.0

72.0

50.4

62.9

4.5

71.5

54.4

0.001*

 Canine

69.4

5.7

80.3

63.9

70.5

4.7

76.8

65.0

0.217

 Second premolar

77.9

4.0

84.8

70.9

76.2

3.7

80.0

69.3

0.213

 First molar

79.5

4.7

86.6

72.4

81.0

3.5

86.5

76.7

0.370

  1. SD, Standard deviation
  2. *The results of paired t test