Quantitative analysis of radiological changes in alveolar bone around connected osseo-integrated dental implants and natural abutment teeth

Akihiro Tayashima, Kazunori Yoshiura, Kenji Tokumori, Toshiyuki Kawazu, Shigenobu Kanda

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Objective: To evaluate quantitatively the long-term changes in alveolar bone around tooth-implant connections using a digital subtraction technique. Study design: Eighteen cases where implants were embedded and connected to the mandibular molar teeth or to each other were analyzed. Digital subtraction images were obtained from baseline and follow-up digitized radiographs. These images were quantitatively analyzed by two methods, "area analysis" and "density analysis". Calcification and decalcification around the abutment teeth and implants were quantitatively evaluated. In two cases involving abutment teeth with a considerable loss of supporting periodontal tissues, the treatment process used was thoroughly evaluated to study how alveolar bone regeneration occurs in such patients. Results: No decalcification areas were detected in any of the cases. Calcification around abutment teeth, implants, or both was observed in 11 (92%) of 12 cases. In the remaining 6 cases, in which implants were connected to each other, calcification was observed around the implants in 4 cases (67%). In two cases where long-term quantitative analysis was possible, calcification started 4 years after placement of connected crowns. Conclusion: Connection of osseo-integrated implants to abutment teeth may be an effective treatment for patients suffering from periodontal disease.

Original languageEnglish
Pages (from-to)28-37
Number of pages10
JournalOral Radiology
Volume19
Issue number1
DOIs
Publication statusPublished - Jun 2003

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Dental Implants
Tooth
Bone and Bones
Subtraction Technique
Bone Regeneration
Periodontal Diseases
Crowns
Therapeutics

All Science Journal Classification (ASJC) codes

  • Radiology Nuclear Medicine and imaging

Cite this

Quantitative analysis of radiological changes in alveolar bone around connected osseo-integrated dental implants and natural abutment teeth. / Tayashima, Akihiro; Yoshiura, Kazunori; Tokumori, Kenji; Kawazu, Toshiyuki; Kanda, Shigenobu.

In: Oral Radiology, Vol. 19, No. 1, 06.2003, p. 28-37.

Research output: Contribution to journalArticle

Tayashima, Akihiro ; Yoshiura, Kazunori ; Tokumori, Kenji ; Kawazu, Toshiyuki ; Kanda, Shigenobu. / Quantitative analysis of radiological changes in alveolar bone around connected osseo-integrated dental implants and natural abutment teeth. In: Oral Radiology. 2003 ; Vol. 19, No. 1. pp. 28-37.
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AU - Kanda, Shigenobu

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