Denture-Related Biomechanical Factors for Fixed Partial Dentures Retained on Short Dental Implants

Pommer, Bernhard; Hingsammer, Lukas; Haas, Robert; Mailath‐Pokorny, Georg; Busenlechner, Dieter; Watzek, Georg; Fürhauser, Rudolf

doi:10.11607/ijp.4238

Cited by 11 publications

(13 citation statements)

References 4 publications

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“…This reduces the falsification of individual CIR and ISA as often various different CIRs and ISAs values are found within the same restoration and solitary validation is considered unrevealing. 43 Results indicate significant higher MBL around implants of the mandible compared to those of the maxilla. According to Simons et al…”

Section: Discussionmentioning

confidence: 92%

“…Beside the clinical CIR, the anatomical CIR can be measured taking the implant shoulder as the boarder without considering adjacent bone levels . In this study, according to Pommer et al the sum of individual CIRs by the number of implants has been calculated in the situations of splinted crowns and used as the overall CIR . The same method was used for ISA.…”

Section: Discussionmentioning

confidence: 99%

“…The same method was used for ISA. This reduces the falsification of individual CIR and ISA as often various different CIRs and ISAs values are found within the same restoration and solitary validation is considered unrevealing …”

Section: Discussionmentioning

confidence: 99%

“…21,39,41 In this study, according to Pommer et al the sum of individual CIRs by the number of implants has been calculated in the situations of splinted crowns and used as the overall CIR. 43 The same method was used for ISA. This reduces the falsification of individual CIR and ISA as often various different CIRs and ISAs values are found within the same restoration and solitary validation is considered unrevealing.…”

Section: Discussionmentioning

confidence: 99%

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The influence of crown‐to‐implant ratio on marginal bone levels around splinted short dental implants: A radiological and clincial short term analysis

Hingsammer

Watzek

Pommer

2017

Clin Implant Dent Rel Res

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Background The amount of marginal bone resorption around dental implants is considered to have a significant impact on implant stability as well as implant survival rates. Purpose The aim of this prospective study was to investigate the influence of prosthetic as well as patient specific factors on marginal bone loss around short dental implants. Materials and methods Seventy‐six implants, which supported splinted crowns were included for investigation. All implants were from the same type and had an intraosseous length of 6.5 mm and a diameter of 4.0 mm. Twenty implants were additionally splinted onto longer ones. Measurements of marginal bone loss were performed at a mean of 12.38 months after prosthetic loading and the mean follow‐up for clinical evaluation was 20.52 months. Results Overall two implant failures were recorded, revealing a survival rate of 97.3%. Marginal bone resorption around 72 short implants measured 0.71 mm (SD: 0.74 mm) and was found to have a strong correlation with calculated Crown‐to‐Implant ratio (r = .71; P < .001). Age, gender, insertion torque, implant surface area, location, position, bone quality, and insertion torque did not influence peri‐implant bone loss after one year of loading. Conclusion Within the limitations of the study, it is suggested that Crown‐to‐Implant ratios should not exceed 1.7 to avoid increased early marginal bone loss.

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Section: Discussionmentioning

confidence: 92%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

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The influence of crown‐to‐implant ratio on marginal bone levels around splinted short dental implants: A radiological and clincial short term analysis

Hingsammer

Watzek

Pommer

2017

Clin Implant Dent Rel Res

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“…The major factor for RPD success is the retention [9,10]. The mechanical properties of RPD retainers knowing, clasps, depend on the materials composition as: titanium, gold, nickel/chromium and cobalt-chromium (CoCr) alloys [11,12].…”

Section: Introductionmentioning

confidence: 99%

Retentive force comparison between esthetic and metal clasps for removable partial denture

Yamamoto

Sato

Silva

et al. 2017

BDS

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Objective: This study aimed to evaluate the retention of acetate resin clasp as when compared to metal clasp. Material and methods: For this purpose, we constructed 10 conventional Co-Cr metal clasps (Ackers) and 20 acetate resin clasps. The acetate resin clasps had the opposition, support and retaining arms made of Co-Cr. Of the 20 esthetic clasps, 10 had the thickness of the retention arm decreased to make it more esthetic. The initial retentive force of the specimens was tested in a universal testing machine through tensile test. After that, the specimens were subjected to 7,000 cycles, each one, in an adapted machine, immersed into artificial saliva, for 36 months of simulated clinical use of a removable partial denture. Data were tabulated for statistical analysis of the retention effectiveness. Results: After cycling, 3-mm-thick and 2-mm-thick acetate resin clasps lost more retention than metal clasps. The material type (p=0.0000) and cycling (p=0.0039) showed a significant effect, but the material/cycling interaction (p=0.1436) did not. Conclusions: Therefore, esthetic clasps presented retention force lower than that of metal clasps. Notwithstanding, the esthetic clasps can be used in clinical cases requiring minimum retention. KeywordsRemovable partial denture; Esthetic clasp; Metal clasp.

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Novel Concepts in Restoring Defective Labial Plate of Bone in Immediate Implant Therapy

2018

Advances in Esthetic Implant Dentistry

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Denture-Related Biomechanical Factors for Fixed Partial Dentures Retained on Short Dental Implants

Cited by 11 publications

References 4 publications

The influence of crown‐to‐implant ratio on marginal bone levels around splinted short dental implants: A radiological and clincial short term analysis

The influence of crown‐to‐implant ratio on marginal bone levels around splinted short dental implants: A radiological and clincial short term analysis

Retentive force comparison between esthetic and metal clasps for removable partial denture

Novel Concepts in Restoring Defective Labial Plate of Bone in Immediate Implant Therapy

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