Table 1.

Causes of loss of teeth in primary dentition

Early childhood caries and dental caries

Trauma

Due to congenital anomalies like cleft lip and palate deformities, amelogenesis imperfect, dentinogenesis imperfecta, dentin dysplasia, and congenital neutropenia

Periodontal cause—localized juvenile periodontitis, hereditary gingival fibromatosis (severe form)

Congenital hypodontia (syndromic and nonsyndromic)—ectodermal dysplasia, Apert syndrome, Goldenhar syndrome, Kabuki syndrome, Rubinstein–Taybi syndrome, Sjogren–Larsson syndrome, Rieger syndrome, Pierre–Robin sequence, Van der Woude syndrome, Goltz-Gorlin syndrome, Hanhart syndrome, KBG syndrome

Malignancies like Langerhans's cell histiocytosis, leukaemia

Metabolic diseases like acatalasia, hypophosphatasia, Gaucher's disease, juvenile diabetes, and scurvy