. Author manuscript; available in PMC: 2021 Apr 1.

Published in final edited form as: J Periodontal Res. 2019 Dec 1;55(2):307–314. doi: 10.1111/jre.12716

Table 1.

Diameters and densities of Sharpey’s fibers in different vertical positions of the mandibular first molar.

Vertical	Diameter (μm)		Density (fibers/mm2)

positions	Bone side	Cementum side	Bone side	Cementum side

Cervical third	6.4 (4.7, 8.9)	5.0 (3.8, 7.2) *	6977 (5526, 8526) *	9654 (8785, 10431)
Middle third	6.3 (4.8, 9.0)	5.4 (4.3, 7.2) *	7000 (6013, 7307) *	8147 (7141, 8418)
Apical third	6.3 (4.8, 7.9)	5.4 (4.3, 8.1) *	4732 (4056, 5289) #*	8717 (7644, 10469)

Results are expressed as median (interquartile range).

Diameter: *significantly different than that of the cervical third of bone side.

Density: * significantly different than that of the cervical third of cementum side, # significantly different than that of the cervical third of bone side.

p<0.005 according to Bonferroni Correction.