PubMed Health⌕ Search

SEARCH · PubMed Health

Results for “Root Resorption”

Explore indexed PubMed citations for clinical trials, systematic reviews and public health research. Read source abstracts and follow each citation to its original PubMed record.

Quote a phrase for an exact phrase match. Source license links do not imply unrestricted reuse.

At least 1,747 records · Page 97Linked to original sources
PubMed1998

Susceptibility of Nd:YAG laser-irradiated root surfaces in replanted teeth to external inflammatory resorption.

Nd:YAG laser-induced modification of the root surface may inhibit development of external inflammatory resorption in replanted teeth. This study tested this hypothesis in vivo. The pulp chambers of six mandibular premolars in each of two dogs were accessed, inoculated with plaque, and sealed (Groups 1, 2). Two additional premolars in each dog were endodontically treated without inoculation (Groups 3, 4). After 2 weeks, teeth were hemisected and extracted. Each root had a 2 x 3 mm surface area denuded of cementum on the buccal and lingual surface. In Groups 1 (n = 12 roots) and 3 (n = 4), the denuded surfaces were wiped with 15% EDTA, coated with black ink, and irradiated with Nd:YAG laser (0.75 W, 15 pps, 300 microns tip, 20 s). In Groups 2 (n = 12) and 4 (n = 4), the surfaces were wiped with 15% EDTA, and rinsed with sterile saline for 20 s. Roots were replanted within 5 min. The dogs were perfusion-euthanised 10 weeks after replantation. Block specimens were removed, decalcified, embedded and horizontally sectioned (6 microns) at 180-microns intervals, resulting in 10 to 14 cross-sections of each root. From these, the middle five consecutive sections were stained with hematoxylin and eosin, and observed by light microscopy for occurrence of surface, inflammatory and replacement resorption on the denuded surfaces. No obvious differences were noted between the laser-irradiated and non-irradiated surfaces. Inflammatory resorption was frequent in Groups 1 and 2, and absent in Groups 3 and 4. Replacement resorption was minimal in Groups 1 and 2, and frequent in Groups 3 and 4. Differences between Groups 1 and 2, and between Groups 3 and 4 were not significant, whereas the differences between the two pairs of groups were statistically significant (chi-square and two-way ANOVA, P < 0.006). These results did not support the hypothesis, and questioned the clinical validity of the surface modification in Nd:YAG laser-irradiated dentin. Therefore, the clinical application of Nd:YAG laser to the root surfaces of replanted teeth is not warranted.

Analysis of Variance↗
PubMed1977

[Animal model for the etiopathogenesis of sialadenitis].

A longitudinal study with patient-specific jaw models and simultaneous X-Rays was undertaken to examine the eruption behaviour of the mandibular premolars following physiological and pathological resorption of the roots of primary teeth. 1. The molars of the first dentition fall out earlier after pathological resorption of the roots of primary teeth. In the presence of an occlusal bony bridge the appearance of a new tooth may take years. The eruption of the replacing tooth is delayed or it may be retained. 2. The eruption times of premolars after physiological resorption of primary tooth roots given in the literature and those obtained by the author converge. After pathological resorption of primary tooth roots and rarefying osteitis with interruption of the lamina dura, vertical development occurs significantly sooner (p less than 0,01). 3. The sequence of eruption of the premolars can be altered after pathological resorption of primary tooth roots.

Animals↗
PubMed2004

The role of digital volume tomography in the imaging of impacted teeth.

AIM: Digital volume tomography is presented here as an alternative to routine computerized tomography in the diagnosis and treatment planning of impacted teeth. MATERIAL AND METHODS: A sample of 20 patients with a variety of types of tooth impaction was investigated and five representative cases are described. The potential disadvantages of digital volume tomography--inferior spatial resolution of subtle structures and limited representation of soft tissues--were of no clinical significance in the presented cases of impacted teeth. The method provides 3-dimensional images closely akin to regular computerized tomography imaging, yet the amount of radiation produced is less than one sixth that for regular computer tomography and its cost is considerably less. RESULTS AND CONCLUSION: There is reason to recommend the routine adoption of digital volume tomography imaging for positional diagnosis in most cases of impaction of teeth that are candidates for orthodontic resolution.

Child↗
PubMed1990

[Complete luxation of the upper incisor. Analysis of the mid-term results. Treatment of sequelae].

The study involved 18 children aged 7 to 13 years, who all benefited from early reimplantation and appropriate immobilisation. Radicular treatment appeared to have little influence and adverse results, especially early rhizalysis, were common (50% versus 30% of good results). In the event of failure, dento-facial orthopedic treatment, where indicated, may provide a cosmetically acceptable solution.

Adolescent↗
PubMedDate not supplied

Pyogenic granuloma as a cause of bone loss in a twelve-year-old child: report of case.

The pyogenic granuloma frequently appears between the ages of eleven and forty years. It is a benign soft tissue lesion of inflammatory origin, which may be misdiagnosed as a neoplastic tumor due to its rapid development. Definitive diagnosis can only be made by histopathologic examination. Treatment is by conservative local excision. The present manuscript reports on the diagnosis and treatment of such a lesion, which caused significant maxillary bone loss in a twelve-year-old child.

Abscess↗
PubMed2003

External inflammatory and replacement resorption of luxated, and avulsed replanted permanent incisors: a review and case presentation.

External inflammatory resorption and replacement resorption are complicating factors that may result from traumatic dental injuries when the tooth is luxated or avulsed and replanted. Resorption may, ultimately, result in loss of the tooth. However, with appropriate treatment, the prognosis for these teeth is greatly improved, with the possibility of preventing or arresting resorption. The purpose of this paper is to review these trauma entities, to discuss factors that influence the occurrence of resorption and to describe the most appropriate treatment. A case is presented, illustrating both resorption entities, but with varying outcomes.

Child↗
PubMed1992

[Preliminary research on the prognosis of late reimplants with prior conditioning with a fluoridated solution].

The principal factors that affect the prognosis of a posttraumatic reimplantation are the length of the extra-alveolar persistence and the manner in which the extracted tooth is preserved. Both are fundamental for the maintenance of the fiber vitality of the periodontal ligament. The necrosis of these fibers cause ankylosis. It is observed that the conditioning of the radicular surface with fluoride solutions before the reimplantation is likely to slow down the evolution of radicular resorption. To evaluate the effectiveness of such methodology six cases of traumatic extractions, characterized by a length of extra-alveolar persistency (not longer than 24 hours), and unfavorable conditions of the preserved tooth have been treated by conditioning the radicular surface with the Na-fluoride solution before the reimplantation. Another group of reimplantation cases with the same characteristics have been examined without proceeding first to the radicular conditioning. The results of the study, although preliminary, verified the positive influence of the Na fluoride upon the radicular resorption.

Follow-Up Studies↗