Tissue response to overdenture therapy

Fenton, Aaron; Hahn, Neil

doi:10.1016/0022-3913(78)90079-3

Cited by 44 publications

(19 citation statements)

References 16 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The effects of gel treatment on the mi croflora of the abutment teeth have been reported ear lier [Keltjens et al, 1987a]. Caries development under overdentures has been documented by several studies [Reitz et al, 1977;Smith, 1978, 1983;Fenton and Hahn, 1978;Davis et al, 1981;Hussey and Linden, 1986;Ettinger and Jakobsen, 1990], The caries rates in the control and fluoride groups of our study were high, resembling the rates previously found in patients not using additional prevention [Toolson and Smith, 1978;Hussey and Linden, 1986]. Nevertheless, caries development under overdentures may differ markedly between patients.…”

Section: Discussionsupporting

confidence: 73%

See 1 more Smart Citation

Caries Control in Overdenture Patients: 18-Month Evaluation on Fluoride and Chlorhexidine Therapies

Keltjens

Schaeken²,

Hoeven³

et al. 1990

Caries Res

View full text Add to dashboard Cite

The aim of this study was to test the clinical effects of preventive regimens using fluoride and chlorhexidine on caries development in abutment teeth in patients with overdentures. 30 patients with immediate overdentures were distributed at random among three experimental groups. In these groups three different gels (placebo, fluoride, and chlorhexidine-fluoride) were tested by daily application. The patients were recalled at 6-month intervals for a period of 18 months. The life table survival ratios at patient level showed that in the chlorhexidine group caries development in the abutments was significantly reduced. In this group no caries developed. On comparison with the control group (placebo), no preventive effects of the gel were noticed for those in the fluoride group.

show abstract

Section: Discussionsupporting

confidence: 73%

“…Caries development in abutments of overdentures can be reduced by fluo ride [Reitz et al, 1977;Fenton and Hahn, 1978;Smith 1978, 1983;Hussey and Linden, 1986]. It is to be expected that additional chemotherapy against cariogenic microorganisms would lead to an even higher reduction of caries.…”

mentioning

confidence: 99%

Caries Control in Overdenture Patients: 18-Month Evaluation on Fluoride and Chlorhexidine Therapies

Keltjens

Schaeken²,

Hoeven³

et al. 1990

Caries Res

View full text Add to dashboard Cite

show abstract

“…[3][4][5][6][7] Overdenture therapy may be indicated because the retained abutments can preserve the alveolar bone. 8 Previous literature signifies that mandibular ridge resorption in those who wear overdentures is one-eighth that in those with conventional complete dentures.…”

Section: Finite Element Stress Analysis Of Overdenture Abutment As a mentioning

confidence: 99%

“…As a result of the minimization of the lateral occlusal forces in the periodontal tissues, tooth mobility may be sustained 3,4 or even decreased. [5][6][7] Because the potential for the accumulation of …”

Section: Introductionmentioning

confidence: 99%

Finite Element Stress Analysis of Overdenture Abutment as a Function of Crown-to-root Ratio

Tanaka

Wakabayashi

Maezawa

et al. 2006

Prosthodont Res. Pract.

View full text Add to dashboard Cite

In partially edentulous patients with considerable loss of tooth structure, it is recommended that a remaining tooth with a C/R ratio greater than approximately 1.5 should be used as an overdenture abutment to minimize lateral occlusal forces. Abstract Purpose:The clinical decision to use abutments for overdentures in cases with loss of tooth structure has not been fully assessed in relation to the periodontal condition. The aim of this study was to investigate the stresses around overdenture abutments with and without crown restoration for various bone heights.Methods: Three-dimensional finite element models of the mandibular right first and second premolars, a periodontal ligament, and one of five alveolar bone models of different heights were constructed. The crown-to-root ratios at the second premolar were 0.86 (Model A), 1.05 (Model B), 1.28 (Model C), 1.56 (Model D), and 1.96 (Model E). The second premolar root was also modeled without crown restoration. A single oblique load of 80 N at a 30-degree angle distal from the vertical axis was directed at the center of the occlusal or root surface of the second premolar. Results:The maximum stresses were observed at the distal cervical regions for all models. These increased as the crown-to-root ratio increased. The highest maximum stress in the cortical bone (35.8 MPa) was observed in Model E with crown restoration. In the regions near the overdenture abutments, the maximum stresses in the bone and the periodontal ligament were 33.9% to 61.7% lower than those observed near the crown restorations. Conclusion:The use of the premolar as an overdenture abutment in cases with loss of tooth structure can effectively sustain the stress in the periodontal tissues, particularly under conditions of reduced bone height.

show abstract

“…Though patients with good oral hy giene have a lower incidence of root caries than those with poor oral hygiene [Fenton and Hahn, 1978], good brushing habits are difficult to impress on over denture patients, who tend to be of advanced years and possess decreased motivation and manual dexter ity [Toolson and Smith, 1978]. Clinicians, therefore, consider that fluoride treatment is an important com plementary treatment.…”

mentioning

confidence: 99%

Fluoride Penetration into Dentine Abutments in vitro

Figures

Ellis²,

Lamb³

1990

Caries Res

View full text Add to dashboard Cite

The diffusion of fluoride ions from various concentrations of sodium fluoride solution into the dentine of decoronated human canine teeth, prepared as for reception of overdentures, was studied in vitro. The decoronated preparations were immersed for 7 days in 2.0, 1.5, 1.0, 0.5 and 0.05% solutions of neutral-pH sodium fluoride and then fluoride penetration into the prepared transverse face of the dentine was assessed by electron microprobe. Only with high concentrations of fluoride (2.0%) was there significant penetration. In peritubular dentine, fluoride penetration could be measured to a depth of 400 μm, but in intertubular dentine penetration did not take place beyond 100 μm. These findings call into question the efficacy of patient-administered caries prophylaxis with low-concentration fluoride treatments in overdenture cases.

show abstract

Tissue response to overdenture therapy

Cited by 44 publications

References 16 publications

Caries Control in Overdenture Patients: 18-Month Evaluation on Fluoride and Chlorhexidine Therapies

Caries Control in Overdenture Patients: 18-Month Evaluation on Fluoride and Chlorhexidine Therapies

Finite Element Stress Analysis of Overdenture Abutment as a Function of Crown-to-root Ratio

Fluoride Penetration into Dentine Abutments in vitro

Contact Info

Product

Resources

About