<abstract xmlns="http://www.w3.org/1999/xhtml"><p> Overhangs from different restorations are an iatrogenic error with different results, short and long term consequences related to bone changes and periodontal diseases. Amalgam “tattoos”, idiopathic subgingival hypertrophy, marginal periodontitis and bone reductions in the intradental septum are major problems. The aim of the present study is to evaluate the frequency of traumatic restorations in distal teeth and clinical criteria, related to the x-ray findings. Evaluating criteria, for repairing the overhangs or for replacement of the restorations, is also a goal. Three hundred and sixteen - 316 patients from both sexes, 632 dental x-rays with 948 distal teeth and 632 restorations, at least two radiographs for each patient, were analyzed. Overhangs are classified in three groups: small, middle and large. In the criteria bone changes from the overhangs are analyzed separately from the existing or nonexisting bone changes from a generalized periodontal diseases. The frequency of iatrogenic changes in this cohort group is 10.6% from 632 restored teeth. This is a relatively small number compared with the other published studies. These overhangs are on distal teeth in sound teeth arches which makes them difficult for corrections. The evaluated criteria for replacement based on x-ray findings and clinical experience includes: operative and nonoperative corrections, restoration replacement, perio- and endo-therapy and follow up terms for secondary caries. </p></abstract>

Overhangs from different restorations are an iatrogenic error with different results, short and long term consequences related to bone changes and periodontal diseases. Amalgam “tattoos”, idiopathic subgingival hypertrophy, marginal periodontitis and bone reductions in the intradental septum are major problems. The aim of the present study is to evaluate the frequency of traumatic restorations in distal teeth and clinical criteria, related to the x-ray findings. Evaluating criteria, for repairing the overhangs or for replacement of the restorations, is also a goal. Three hundred and sixteen - 316 patients from both sexes, 632 dental x-rays with 948 distal teeth and 632 restorations, at least two radiographs for each patient, were analyzed. Overhangs are classified in three groups: small, middle and large. In the criteria bone changes from the overhangs are analyzed separately from the existing or nonexisting bone changes from a generalized periodontal diseases. The frequency of iatrogenic changes in this cohort group is 10.6% from 632 restored teeth. This is a relatively small number compared with the other published studies. These overhangs are on distal teeth in sound teeth arches which makes them difficult for corrections. The evaluated criteria for replacement based on x-ray findings and clinical experience includes: operative and nonoperative corrections, restoration replacement, perio- and endo-therapy and follow up terms for secondary caries.

Frequency of Iatrogenic Changes Caused from Overhang Restorations

Department of Conservative Dentistry Faculty of Dental Medicine, Medical University - Sofia, Bulgaria

Department of Conservative Dentistry, Faculty of Dental Medicine, 1 Sv. G. Sofiiski St, BG, 1431 Sofia, Bulgary

Acta Medica Bulgarica

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

{"article-title":"Frequency of Iatrogenic Changes Caused from Overhang Restorations"}

Overhangs from different restorations are an iatrogenic error with different results, short and long term consequences related to bone changes and periodontal...

Frequency of Iatrogenic Changes Caused from Overhang Restorations

Published Online: Nov 26, 2015

Page range: 30 - 35

DOI: https://doi.org/10.1515/amb-2015-0015

Keywords
overhangs, secondary caries, iatrogenic changes

© 2015

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Frequency of Iatrogenic Changes Caused from Overhang Restorations

Published Online: Nov 26, 2015

Page range: 30 - 35

DOI: https://doi.org/10.1515/amb-2015-0015

Keywordsoverhangs, secondary caries, iatrogenic changes

© 2015

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Keywords
overhangs, secondary caries, iatrogenic changes