Idiopathic external root resorption with alveolar bone loss: Case report and microbiological evaluation

Eriko Miyamoto, Kazuhiko Nakano, Ryota Nomura, Hirotoshi Nemoto, Satoko Inagaki, Michiyo Nakano, Takashi Ooshima

Research output: Contribution to journalArticle

Abstract

A case of idiopathic external root resorption identified in a girl aged 4 years and 2 months (4Y2M) is presented. The patient visited our clinic with a chief complaint of spontaneous pain in the area of the lower left primary canine. An intraoral examination revealed severe mobility of the affected tooth, while its marginal gingiva was swollen with a maximum periodontal pocket depth of 5 mm. Irrigation of the periodontal pocket and general administration of antibiotics relieved the symptoms within 1 week. However, spontaneous pain recurred in the same area at 5Y0M. External root resorption was found with alveolar bone loss on the distal side, and microbiological analyses using broad-range polymerase chain reaction and sequencing methods were carried out with saliva and subgingival dental plaque specimens. In dental plaque specimens from unaffected regions and saliva specimens, Neisseria and Streptococcus species were frequently identified throughout the observation period. On the other hand, Prevotella and Fusobacterium species were predominant species in the dental plaque specimens from the area of the affected tooth. These results indicate that periodontopathic bacterial species rarely seen in children may have inhabited periodontal pockets formed from external root resorption in the present case. Key words Alveolar bone loss, External root resorption, Periodontopathic bacteria, Polymerase chain reaction, Primary tooth.

Original languageEnglish
Pages (from-to)130-135
Number of pages6
JournalPediatric Dental Journal
Volume19
Issue number1
DOIs
Publication statusPublished - 1997
Externally publishedYes

Fingerprint

Root Resorption
Alveolar Bone Loss
Periodontal Pocket
Dental Plaque
Saliva
Tooth Mobility
Fusobacterium
Prevotella
Neisseria
Pain
Polymerase Chain Reaction
Deciduous Tooth
Gingiva
Streptococcus
Canidae
Tooth
Observation
Anti-Bacterial Agents
Bacteria

Keywords

  • Alveolar bone loss
  • External root resorption
  • Periodontopathic bacteria
  • Polymerase chain reaction
  • Primary tooth

ASJC Scopus subject areas

  • Pediatrics, Perinatology, and Child Health
  • Dentistry (miscellaneous)

Cite this

Idiopathic external root resorption with alveolar bone loss : Case report and microbiological evaluation. / Miyamoto, Eriko; Nakano, Kazuhiko; Nomura, Ryota; Nemoto, Hirotoshi; Inagaki, Satoko; Nakano, Michiyo; Ooshima, Takashi.

In: Pediatric Dental Journal, Vol. 19, No. 1, 1997, p. 130-135.

Research output: Contribution to journalArticle

Miyamoto, Eriko ; Nakano, Kazuhiko ; Nomura, Ryota ; Nemoto, Hirotoshi ; Inagaki, Satoko ; Nakano, Michiyo ; Ooshima, Takashi. / Idiopathic external root resorption with alveolar bone loss : Case report and microbiological evaluation. In: Pediatric Dental Journal. 1997 ; Vol. 19, No. 1. pp. 130-135.
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