An analysis of causes of apical root resorption in patients not treated orthodontically

Edward Harris, Ouinton C. Robinson, Marjorie Woods

Research output: Contribution to journalArticle

35 Citations (Scopus)

Abstract

With few exceptions, most cases of external apical root resorption have no evident etiology, particularly when root blunting from orthodontic treatment has been ruled out. This study determined the frequency of apical root resorption in the permanent dentition of patients who had not been treated orthodontically. Associations between the occurrence of external apical root resorption and three measures of oral healthnumber of missing teeth, periodontal probing depths, and alveolar crestal bone heights - were also examined. Between 7% and 10% of the 306 patients exhibited obvious apieal resorption. Strong statistical associations were found between the occurrence of external apical root resorption and loss of teeth, increased periodontal probing depths, and reduced crestal bone heights; ie, root resorption was significantly more common in teeth with compromised support. Loss of stability from adjaeent teeth, increased use of fewer remaining teeth, and loss of the root’s anchorage in the bone are significant predictors of external apieal root resorption.

Original languageEnglish (US)
Pages (from-to)417-428
Number of pages12
JournalQuintessence International
Volume24
Issue number6
StatePublished - Jan 1 1993

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Root Resorption
Tooth Loss
Tooth
Bone and Bones
Permanent Dentition
Tooth Root
Orthodontics

All Science Journal Classification (ASJC) codes

  • Medicine(all)

Cite this

An analysis of causes of apical root resorption in patients not treated orthodontically. / Harris, Edward; Robinson, Ouinton C.; Woods, Marjorie.

In: Quintessence International, Vol. 24, No. 6, 01.01.1993, p. 417-428.

Research output: Contribution to journalArticle

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