A six-year retrospective study of Molloplast-B-lined dentures. Part II: Liner serviceability

Schmidt, W.; Smith, Dale E.

doi:10.1016/0022-3913(83)90563-2

Cited by 67 publications

(39 citation statements)

References 5 publications

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“…Although the colonization of the materials by oral fungi presents a problem regarding useful service life, no effects of such colonization on the mucosal condition of the patients were observed. The lack of such a relation has been similarly reported in two published studies 4,7) . This lack of mucosal response to fungal colonization could be explained by the fact that the patients chosen for our study had no acute problems or no indications of denture stomatitis; they were generally healthy at the beginning of the study 22) .…”

Section: Discussionsupporting

confidence: 60%

“…In particular with the chairside polysiloxane soft liners, this has been restated by many authors 1,9,10,20,21) . However, some studies also reported on long-term clinical serviceability of the MLP material 4,5,7,8) . After one year of clinical service, the average score for the adhesion of soft liners to denture base polymer was still 3.9 for the current study.…”

Section: Discussionmentioning

confidence: 99%

“…However, several authors have reported on a long service life of soft liners, sometimes remaining on the denture for its full service life [4][5][6][7][8] . A soft liner's assessment criteria as listed by many authors were, namely, resilience, tear resistance, biocompatibility, lack of odor and taste, adhesive bond strength, color stability, and resistance to abrasion [9][10][11] .…”

Section: Introductionmentioning

confidence: 99%

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A Prospective Study on the Clinical Performance of Polysiloxane Soft Liners: One-year Results

et al. 2008

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Objective: The aim of the present study was to evaluate the clinical performance of four denture soft liners up to 12 months. Materials and methods: Thirty-three edentulous patients who experienced difficulties when using hard denture bases because of changes in denture-supporting tissues were accepted for the study and randomly received Molloplast B, GC Reline Soft, Silagum Comfort, or Mollosil Plus relines. Performance of the materials was evaluated using nine criteria at 3, 6, and 12 months: physical integrity, surface detail, adhesion, color, odor, plaque accumulation, resilience, hygiene, and mucosal condition. A four-point categorized scale (1＝poor, 2＝fair, 3＝good, 4＝excellent) was used. Unscheduled maintenance events and the presence of fungal colonization were also recorded. Results: The percentage of patients available at 3, 6, and 12 months were 91%, 91%, and 66%. Main reasons for dropouts and discontinuation were fractured dentures and patient dissatisfaction. At 6 months, 96% of the performance scores were good or excellent and the largest changes were observed for physical integrity, surface detail, color, and fungal colonization. Fungal colonization was the most commonly observed problem and was the only reason of failure at 12 months. Conclusions: The clinical performance of all soft liners was slightly impaired over the 12-month observation. Except for cases showing extensive fungal colonization, the observed changes in clinical performance did not necessitate remaking of the dentures. Mollosil Plus showed a performance comparable to that of Molloplast B, and the other materials had slightly lower performance especially in terms of fungal colonization.

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Section: Discussionsupporting

confidence: 60%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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A Prospective Study on the Clinical Performance of Polysiloxane Soft Liners: One-year Results

et al. 2008

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“…However, previous clinical studies have shown that neither increased hardness (Makila & Honka, 1979) nor decreased resilience (Schmidt & Smith, 1983), due to disinfection, occurred for silicone basedmaterial submitted to chemical disinfections. Conversely, soft-lining acrylic resin-based materials contain plasticizers in their composition, and the softness and modulus of elasticity for polymers of similar composition will depend upon the concentration of the plasticizer (McCabe, 1976).…”

Section: Discussionmentioning

confidence: 93%

Surface Hardness of Acrylic Resins Exposed to Toothbrushing, Chemical Disinfection and Thermocycling

Lira¹,

Leonardo

Consani³

et al. 2014

DENT

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The aim of this study is to investigate the effect of the toothbrushing, chemical disinfection and thermocycling treatments on the surface hardness of acrylic resins used for denture bases. The Classico (conventional), Onda Cryl (microwaved) and QC-20 (boiled) thermoactivated acrylic resins were used to prepare specimens. Prior to and after cleaning procedures, the specimens were submitted to a hardness test in an indenter (HMV-2000 Shimadzu), employing a load of 50 gf for 10 s. Three-way ANOVA and Tukey's test (α=0.05) were used to analyze the data. Prior to thermocycling, statistical differences were found among treatments for Onda Cryl, with greater hardness values observed for Efferdent and hypochlorite; lower hardness value was obtained after toothbrushing, and intermediate value was found for the control. Differences were found among resins for the control treatment, with higher value for QC-20 resin, lower value for the Classico, and intermediate value for the Onda Cryl. Following thermocycling, differences were observed among treatments for Onda Cryl, with control specimens presenting higher values, lower value for toothbrushing and intermediate values for Efferdent and hypochlorite. Differences were also found for QC-20, with Efferdent and hypochlorite presenting higher values, lower value for control and intermediate value for toothbrushing. Differences were found among resins for the control treatment, with higher value for Onda Cryl resin, lower value for the QC-20, and intermediate value for the Classico. The QC-20 resin showed higher value for control prior to thermocycling and Onda Cryl after thermocycling. Different effects on the surface hardness of acrylic resins used for denture bases were observed when associating thermocycling with toothbrushing or chemical disinfections.

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“…14,15 A six-year retrospective follow-up study on complete dentures with Molloplast B linings showed that common problems were fracture, bleach deterioration, liner separation and yeast deterioration.…”

Section: Discussionmentioning

confidence: 99%

Use of the multi-cup denture for a severely resorbed maxilla: a clinical report

Vasant

Bassi

2012

Br Dent J

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A six-year retrospective study of Molloplast-B-lined dentures. Part II: Liner serviceability

Cited by 67 publications

References 5 publications

A Prospective Study on the Clinical Performance of Polysiloxane Soft Liners: One-year Results

A Prospective Study on the Clinical Performance of Polysiloxane Soft Liners: One-year Results

Surface Hardness of Acrylic Resins Exposed to Toothbrushing, Chemical Disinfection and Thermocycling

Use of the multi-cup denture for a severely resorbed maxilla: a clinical report

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