Diverse microbiota in palatal radicular groove analyzed by Illumina sequencing: Four case reports

Table 1 Demographic and clinical information of the participants

Patient ID	Age in yr	Sex	Tooth number1	Groove type	Location ofthe groove	Probing depth of the localized periodontal pocket in mm	Groove’s stop, examined during intentional replantation
1	28	Male	7	II	Mesial	8	Junction of the medium and apical thirds of the root
2	33	Male	7	I	Distal	10	Junction of the medium and apical thirds of the root
3	36	Male	7	II	Distal	12	Root apex
4	44	Female	7	I	Distal	12	Approaching the root apex (about 3 mm above the apex)

¹Applied with the universal numbering system.