pISSN 2234-7518
eISSN 2005-372X

Table. 2.

Distribution of the number and location of congenitally missing tooth and tooth with short root, and concordance between their side of occurrence and the side affected by Parry–Romberg syndrome (PRS), according to the PRS severity index

Phenotype PRSseverity index Patient Affectedside Existence in the maxillary and mandibular arches Maxilla Mandible MatchwithPRS sideinvolvement


Existence in the maxillary arches Incisor/canine Premolar Molar Sum Existence in the mandibular arches Incisor/canine Premolar Molar Sum
Congenitallymissingtooth Mild #1 Right ×
#4 Right ×
#8 Left #23 #25 2
Moderate #3 Left #24,25 #27 3
#5 Right #15 1 #42 1
Severe #2 Right #14,24 2
#6 Right #12 #14 #16,17 4 #41 #44,45 #46,47 5
#7 Left ×
#9 Left #21,22,23 #24,25 #26,27 7 #31,32 #34,35 4
#10 Left ×
60%(n = 6/10) 100%(n = 6/6) 5 9 5 19 50%(n = 3/6) 4 4 2 10 100%(n = 6/6)
Tooth withshort root Mild #1 Right ×
#4 Right ×
#8 Left #24 1
Moderate #3 Left #23 1
#5 Right #13 #14 #16,17 4 #44,45 2
Severe #2 Right #17 1
#6 Right #13 #15 2
#7 Left ×
#9 Left ×
#10 Left #24,25 #27 3 #34,35 #37 3
60%(n = 6/10) 100%(n = 6/6) 3 5 4 12 33%(n = 2/6) 0 4 1 5 100%(n = 6/6)

Mild, Total score < 140; Moderate, total score between 140 and 170; Severe, total score ≥ 180.

Korean J Orthod 2020;50:407~417 https://doi.org/10.4041/kjod.2020.50.6.407
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