Assessment of the periapical and clinical status of crowned teeth over 25 years

Valderhaug, J; Jokstad, Asbjørn; Ambjørnsen, Eirik; Norheim, Per W.

doi:10.1016/s0300-5712(96)00008-5

Cited by 149 publications

(125 citation statements)

References 37 publications

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“…Increased microleakage may be a problem of endodontically treated teeth restored with conventionally-cemented posts 41,42) ; but uncertainty remains when predicting the clinical effect of microleakage. Valderhaug et al 43) showed that root filled teeth with a high quality endodontic treatment and an optimal morphology of the conventionally-cemented cast post and core have a similar survival rate as crowned teeth with a vital pulp over an observation period of 25 years. The incidence of periapical lesions on radiographs was low for both groups.…”

Section: Discussionmentioning

confidence: 99%

Influence of fatigue testing and cementation mode on the load-bearing capability of bovine incisors restored with crowns and FRC posts

et al. 2011

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The aim of the study was to evaluate the influence of fatigue and cementation mode on the fracture behaviour of endodontically treated bovine incisors restored with fiber-reinforced-composite (FRC) posts and crowns. Forty-eight endodontically treated incisors were restored with FRC posts, composite build-ups, and cast crowns. In 16 teeth, each of the posts were cemented conventionally with KetacCem (3M Espe) or adhesively with Panavia F (Kuraray) or RelyXUniCem (3M Espe). One-half of the specimens in each group were subjected to thermal cycling with 10,000 cycles at 5-55°C and mechanical aging, loading the specimens in 1,200,000 cycles with 50 N. Fracture resistance was determined by loading the specimens until fracture at an angle of 45°. The loading test showed that cementation mode and fatigue testing had an influence on the load bearing capability. Before fatigue testing no statistically significant differences between the different cementation modes could be detected. After fatigue testing, conventionally cemented FRC posts lead to statistically significant higher fracture loads compared to adhesively luted posts. Most specimens fractured in a favourable way, independent from the type of cementation.

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Section: Discussionmentioning

confidence: 99%

Influence of fatigue testing and cementation mode on the load-bearing capability of bovine incisors restored with crowns and FRC posts

et al. 2011

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“…The incidence of pulpal injury due to prosthetic preparation ranged from 2%-57.1% during observational periods of 2-25 years (34)(35)(36)(37)(38)(39)(40)(41)(42)(43), and endodontic complications mainly affected anterior teeth (41,43,44). In particular, one clinical study found that the incidence of pulpal necrosis in maxillary anterior teeth was 54.5% for multi-unit fixed dental prostheses and 19.2% for single crowns (44).…”

Section: Discussionmentioning

confidence: 99%

In vitro analysis of residual tooth structure of maxillary anterior teeth after different prosthetic finish line preparations for full-coverage single crowns

et al. 2013

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To evaluate residual dentin thickness (RDT) after different tooth preparations, 90 sound maxillary anterior teeth were selected and divided into 3 groups according to tooth type (n = 30), namely, maxillary central incisors, maxillary lateral incisors, and maxillary canines. In each group, specimens were randomly divided and prepared for single-crown coverage with shoulder (SHO, n = 10, control), slight chamfer (CHA, n = 10), and knife-edge (KNE, n = 10) finish lines. After tooth preparation, specimens were sectioned and divided into 4 subgroups (buccal, distal, palatal, and mesial) according to measurement area. RDT values were compared by using one-way ANOVA and Tukey's post hoc test (P = 0.05). Significant differences were found between SHO and the other two groups (P < 0.05) but not between CHA and KNE (P > 0.05). SHO was significantly more aggressive than CHA and KNE, which were comparable. Interproximal areas became critical due to thin RDT, which could potentially compromise the structural and biological integrity of teeth. The choice of finish line should be guided by careful clinical evaluation. (J Oral Sci 55, 79-84, 2013)

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“…In a retrospective assessment of the periapical and clinical status of crowned teeth over 25 years, the proportion of teeth that remained vital following the placement of crowns was shown to remain high. 15 Estimations of crowned teeth with a vital pulp and no signs of pulpal pathology were 98% after five years, falling to 83% after 25 years. These results would appear to be promising.…”

Section: Pulp Vitality and Operative Proceduresmentioning

confidence: 99%

Restoration of the root-filled tooth: pre-operative assessment

2005

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This is the first in a series of four papers related to the management of root canal treated teeth. When teeth compromised by extensive restorations become non-vital, suggestions have been given as to how root canal treatment can be carried out with the greatest chance of success. Once root canal treated, either by a previous dentist or by the current dentist, a review of the assessment process that should be carried out prior to placing costly indirect definitive restorations is given. It will be clear that post-retained restorations are mainly reserved for anterior or single-rooted teeth, posterior teeth rarely requiring a post for core retention. The second paper in this series describes the basic tooth preparation that should be carried out prior to placing a post. Depending on the type of post system used, further modifications to tooth preparation may be required and the cementation techniques may also have to be modified. The third paper therefore discusses the various post types, when and how they should be used for optimum results. The final paper addresses reinforcement and restoration of compromised root canals, such as those with immature, open apices, or those that have been over-prepared for previous post-retained restorations.

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Assessment of the periapical and clinical status of crowned teeth over 25 years

Cited by 149 publications

References 37 publications

Influence of fatigue testing and cementation mode on the load-bearing capability of bovine incisors restored with crowns and FRC posts

Influence of fatigue testing and cementation mode on the load-bearing capability of bovine incisors restored with crowns and FRC posts

In vitro analysis of residual tooth structure of maxillary anterior teeth after different prosthetic finish line preparations for full-coverage single crowns

Restoration of the root-filled tooth: pre-operative assessment

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