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PubMedDate not supplied

Transient red discoloration: report of case.

The different evolutions of a red discoloration of the primary maxillary central incisors in the same patient are charted. In the right central incisor the red discoloration disappeared; in the left it faded but was sustained until exfoliation. This case supports the theoretical existence of a transient type of discoloration following trauma. The resorption of posttraumatic intrapulpal bleeding in a primary tooth is discussed as a possible pathogenesis.

Child, Preschool↗
PubMed1992

Physiological root resorption of primary molars.

Physiological root resorption of primary molars was assessed using bitewings and orthopantomograms. Thirty-six per cent of teeth examined demonstrated reduced root resorption of one or more roots. Excepting the lower first primary molar, the present study recorded a relatively high incidence of uneven root resorption during the exfoliative process, particularly evident for the upper second primary molar. Discrepancy in size between the premolar and its predecessor, as well as the position of the developing permanent tooth in relation to primary root structure influences the pattern of root resorption. Therefore, constant monitoring of teeth demonstrating uneven resorption is required to avoid the complications associated with over-retained teeth.

Child↗
PubMed1975

Time of natural exfoliation of deciduous teeth.

Over 6000 naturally exfoliated deciduous teeth were sent in to the Department of Preventive Dentistry, University of Sydney over a 10-year period 1964-1974. Adequate histories for 2,828 teeth from 1,558 children were used to determine average ages of children at time of exfoliation of the teeth. Teeth lost at an earlier age were most frequently returned with similar numbers of left and right teeth. There were no differences in exfoliation times for corresponding teeth from left and right sides of arches. Girls had earlier exfoliation times than boys and lower teeth were generally exfoliated prior to upper teeth.

Adolescent↗
PubMed1980

D E space--a realistic measure of changes in arch morphology: space loss due to unattended caries.

By using only a portion of the dental arch, rather than some geometric construction that conforms to the dental arch, more pertinent information can be gathered regarding the sequelae of some event or insult to the arch. The measurement, D E Space, has been explained and utilized to describe the effectss of unattended dental caries on arch form. Only caries which become severe have a significant effect on the dental arch--a reduction in D E Space, which can be interpreted as relative arch length (depth) and is significant only for the year after its exfoliation. This occurs one year early and is also significant.

Child↗
PubMed1996

Treatment of vital and non-vital primary molar teeth by one-stage formocresol pulpotomy: clinical success and effect upon age at exfoliation.

The clinical success and effect upon the age at which teeth exfoliated was prospectively observed in 175 primary molars that had received formoceresol pulpotomies performed by one operator. The success rate among 142 vital teeth was 99.3% and among 33 non-vital teeth 84.8%. There was no significant effect upon age at exfoliation after either type of pulpal treatment.

Child↗
PubMed1997

Childhood hypophosphatasia. A case report.

Hypophosphatasia is a hereditary disease that can present as premature exfoliation of deciduous dentition in young children. We present a case of a 32-month-old female with a history of skeletal problems who spontaneously exfoliated three mandibular primary teeth. It was the premature exfoliation of her mandibular teeth that led to the diagnosis of childhood hypophosphatasia.

Child, Preschool↗