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Azerbaycan Saytlari

 »  Home  »  Endodontic Articles 8
Endodontic Articles 8

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» Incomplete tooth fracture following root-canal treatment
By JofER editor | Published 07/28/2002 | Endodontic Articles 8 | Unrated
C.D. Lynch & F.M. Burke
Department of Restorative Dentistry, National University of Ireland, Cork, Ireland.

Aim.
To demonstrate the need for proper restoration of root-filled teeth.

Key learning points.
  • Failure to provide a root-filled tooth with a restoration incorporating adequate cuspal protection can lead to subsequent tooth fracture.
  • Large intracoronal restorations should be avoided when restoring root-filled teeth, particularly when marginal ridges have been lost.
» Comparison between a conventional technique and two bone regeneration techniques in periradicular surgery
By JofER editor | Published 07/21/2002 | Endodontic Articles 8 | Unrated
S. I. Tobofin, J. A. Arismendi, M. L. Marin, A. L. Mesa & J. A.Valencia
Departamento de Estudios Basicos Integrados, Facultad de Odontologia, Universidad de Antioquia. Medellin, Colombia.

Aim.
The aim was to demonstrate the efficacy of two materials for bone regeneration during periradicular surgery and their effects on the healing of periapical tissues.

Conclusions.
The results when considered within the limitations of this study indicate that:
  1. There was a good clinical and radiographic response at 12 months with the conventional technique, although histological results obtained at the time of the re-entry surgery indicated a less favorable evolution.
  2. The use of a nonbioabsorbable membrane alone as a barrier resulted in bone regeneration inmost of the cases according to clinical, radiographic and histological evaluation.
  3. The simultaneous use of a nonbioabsorbable membrane and a synthetic bioactive resorbable hydroxylapatite graft produced complete regeneration of bone as observed clinically, radiographically and histologically.
» Pulpal anaesthesia for mandibular central incisor teeth: a comparison of infiltration and intraligamentary injections
By JofER editor | Published 07/18/2002 | Endodontic Articles 8 | Unrated
J. G. Meechan & J. I. M. Ledvinka
Department of Oral and Maxillofacial Surgery, Newcastle Dental School, University of Newcastle, Newcastle, UK.

Aim.
This study compared the anaesthetic efficacy of infiltration and intraligamentary injections in the permanent mandibular central incisor.

Conclusions.
A combination of labial and lingual Infiltration provided better pulpal anaesthesia for mandibular central incisors in adults than either technique in isolation. Intraligamentary injections did not provide reliable pulpal anaesthesia for mandibular central incisors in adults. Intraligamentary injections were more uncomfortable than Infiltrations in the mandibular central incisor region.
» Influence of calcium hydroxide intracanal medication on apical seal
By JofER editor | Published 07/15/2002 | Endodontic Articles 8 | Unrated
S. K. Kim & Y. O. Kim
Department of Conservative Dentistry, School of Dentistry, Kyungpook National University, Daegu, Republic of Korea.

Aim.
The aim of this study was to determine the influence of calcium hydroxide intracanal medication and various techniques for its removal on the sealing ability of gutta-percha root fillings with a zinc oxide-eugenol sealer.

Conclusion.
Under the condition of this study, calcium hydroxide medicated canals showed significantly more apical dye-leakage than the non-medicated ones.
» Image processing for enhanced observer agreement in the evaluation of periapical bone changes
By JofER editor | Published 07/12/2002 | Endodontic Articles 8 | Unrated
K. Nicopoulou-Karayianni, U. Bragger, A. Patrikiou, A. Stassinakis and N. P. Lang
Department of Oral and Radiographic Diagnosis, and Department of Oral Surgery, School of Dental Medicine, University of Athens, Greece.
Department for Periodontology and Fixed Prosthodontics, School of Dental Medicine, University of Berne, Freiburg, Str.7, CH-3010 Berne, Switzerland.


Aim.
The aim of the present study was to evaluate the effect of root canal treatment on periapical lesions by conventional and subtracted digital radiographic images of clinical cases.

Conclusions.
It can be concluded that improving feature recognition led to better diagnostic accuracy of periapical bone lesions. Radiographic information can be used more effectively, whilst inter- and intra-examiner variability can be reduced. Clearly digital subtraction radiography observer agreement was highly significantly better during the evaluation of the effect of root canal treatment on periapical lesions.


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