Ten-year clinical performance of non-precious metal double crowns with friction pins in severely reduced dentitions—a retrospective study

Hinz, Sebastian; Bömicke, Wolfgang; Schweyen, Ramona; Bensel, Tobias

doi:10.1007/s00784-022-04788-0

Cited by 4 publications

(2 citation statements)

References 47 publications

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“…For instance, the observed higher failure rate in TRPDs with more than 3 abutments contradicts the results from the existing literature. Several previous studies have observed lower failure rates when the TRPDs were retained on more than 3 abutment teeth [ 29 – 31 ]. The contradictory results might be explained with the used criteria about the preservation (success) or extraction (failure) of potential abutment teeth [ 32 ].…”

Section: Discussionmentioning

confidence: 99%

Success and complication rates of non-precious alloy telescopic crowns in a general dental practice

Wierichs,

Kramer,

Meyer-Lueckel

et al. 2023

Clin Oral Invest

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Objectives This retrospective, single-center, practice-based cohort study aimed to analyze factors associated with the success of removable partial dentures retained by telescopic crowns (TRPD). Materials and methods TRPD which were placed in a single practice of a practice-based research network were analyzed. Data from 139 patients (age (SD): 66 (11) years; 66 female) with 174 TRPD including 488 non-precious alloy telescopic crowns (TC) between 2004 and 2016 were included. TC without any technical complication were considered as successful, and as survived, if they were still in function at the last check-up. Multilevel Cox proportional hazard models were used to evaluate the association between clinical factors and time until failure. Results Within a mean follow-up period (SD) of 4.2 (3.3) years (min–max: 1 day–12 years), 372 (76%) TC (AFR5years,TC-level: 5.0%) as well as 136 (87%) TRPD (AFR5years,TRPD-level: 5.1%) (“worst-case scenario”) and 150 (86%) TRPD (AFR5years,TRPD-level: 3.4%) (“best-case scenario”) were considered as successful. The main failure types were recementation (n = 39), endodontic treatment (n = 36), and extraction (n = 35). TC in male patients showed 1.6 times higher risk for failure than in female patients (95%CI: 1.1–2.4; p = 0.023). TC on premolars showed 2.2 times higher risk for failure than on incisors (95%CI: 1.1–5.0; p = 0.023) and TC in dentures with ≤ 3TC showed 2.1 times higher risk for failure than TC in dentures with > 3TC (1.3–3.4; p = 0.042). Furthermore, TC on the most distal tooth in an arch showed 2.4 times higher risk for failure than TC on a more mesial tooth (1.5–3.8; p < 0.001). Conclusion For removable partial dentures retained by telescopic crowns, high success rates could be found after up to 12 years. Patient-level and tooth-level factors were significantly associated with failure. Clinical relevance For removable partial dentures retained by telescopic crowns, high success rates could be found after up to 12 years. Patient-level and tooth-level factors were significantly associated with failure.

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Section: Discussionmentioning

confidence: 99%

Success and complication rates of non-precious alloy telescopic crowns in a general dental practice

Wierichs,

Kramer,

Meyer-Lueckel

et al. 2023

Clin Oral Invest

View full text Add to dashboard Cite

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“…In a recent study, 14% of the double crown’s abutment was reported to have fractured during the observation period, and only a small number of them are salvageable [ 33 ]. However, another report showed no abutment loss in 84% of the study population after five years [ 32 ].…”

Section: Reviewmentioning

confidence: 99%

Tooth-Supported Overdentures Revisited

Leong,

Beh,

2024

Cureus

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The goal of prosthodontics is to provide a functional prosthesis to restore aesthetics, functions, and masticatory efficiencies. Tooth-supported overdentures are one of the treatment options for removable dentures. This article aims to discuss the advantages and disadvantages of tooth-supported overdentures and the principles of using various overdenture attachments, including non-attachment overdentures. The common treatment options in preparing the overdenture abutment are either with or without abutment coping with or without attachment systems, which were discussed and illustrated. A range of tooth-supported overdenture systems were addressed, from low to high financial implications and treatment complexities. The clinician can choose a system that best fits the patient's condition and expectations. This allows clinicians to decide and consider tooth-supported overdentures as a treatment option before full edentulism. A well-executed tooth-supported overdenture ensures the preservation of alveolar bone, optimizes patient satisfaction in denture treatment, and eventually improves the patient's adaptation when transitioning to complete dentures.

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Cumulative 10-year performance of endodontically treated teeth with prosthetic restorations of base metal alloy double crowns with friction pins—a retrospective study

Hinz

Bömicke

Bensel³

2023

Clin Oral Invest

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Objectives This 120-month follow-up study aimed to investigate the complication rate of abutment teeth after endodontic pretreatment with base metal alloy double crowns with friction pins. Materials and methods A total of 158 participants (n = 71, 44.9% women) aged 62.5 ± 12.7 years with 182 prostheses on 520 abutment teeth (n = 459, 88.3% vital) were retrospectively analyzed between 2006 and 2022. Of the endodontically treated abutment teeth, 6.9% (n = 36) were additionally treated with post and core reconstructions. Cumulative complication rates were calculated using the Kaplan–Meier estimator and log-rank test. In addition, Cox regression analysis was performed. Results The cumulative complication rate at 120 months for the entire set of abutment teeth was 39.6% (confidence interval [CI]: 33.0–46.2). Endodontically treated abutment teeth (33.8%; CI: 19.6–48.0) were found to have a significantly higher cumulative fracture rate than vital teeth (19.9%; CI: 13.9–25.9, p < 0.001). Endodontically treated teeth restored with post and core reconstructions (30.4%; CI: 13.2–47.6) showed a nonsignificant lower cumulative fracture rate than that of teeth with root fillings only (41.6%; CI: 16.4–66.8, p = 0.463). Conclusions Higher 120-month cumulative fracture rates were observed in endodontically treated teeth. Comparable performance was observed in teeth with post and core reconstructions compared to teeth with root fillings only. Clinical relevance If endodontically treated teeth are used as abutments for double crowns, the risk of complications from these teeth should be considered when planning treatment and communicating with the patient.

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Ten-year clinical performance of non-precious metal double crowns with friction pins in severely reduced dentitions—a retrospective study

Cited by 4 publications

References 47 publications

Success and complication rates of non-precious alloy telescopic crowns in a general dental practice

Success and complication rates of non-precious alloy telescopic crowns in a general dental practice

Tooth-Supported Overdentures Revisited

Cumulative 10-year performance of endodontically treated teeth with prosthetic restorations of base metal alloy double crowns with friction pins—a retrospective study

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