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At least 1,549 records · Page 86Linked to original sources
PubMed1975

The need for orthodontic treatment: a periodontist's point of view.

Data at hand suggests that occlusal traumatism is not causally related to gingival inflammation. Nor does occlusal traumatism affect the severity of existing inflammation. While an effect of occlusal traumatism on the spread of inflammation has been postulated, most observations seem to question such an interaction. Malposition of teeth has not been proven to be an etiologic factor in inflammatory periodontal disease nor could the degree of periodontal disease severity be consistently associated with improper tooth position. While malposed teeth may make plaque removal more difficult, specific oral hygiene measures should overcome this handicap. Orthodontic appliances may act as local gingival irritants, either directly or as plaque accumulants, and should be designed to minimize such irritations. Finally, orthodontic treatment, by properly aligning tilted or drifted teeth which also exhibit infraosseous lesions, may improve periodontal therapy at such sites.

Dental Occlusion, Traumatic↗
PubMed2000

Coronal ridge augmentation in the absence of bilateral bony plates around a pathologically denuded implant surface.

Guided bone regeneration via an osteopromotive barrier is indicated in different alveolar bone deficiencies and in periimplant bone destruction around pathologically denuded exposed implants. Regeneration of the osseous volume is determined by understanding the biologic behavior response of hard and soft tissues in guided tissue regeneration procedures. Consequently, a meticulous surgical approach is mandatory to preserve wound healing cascades and tissue stability. However, hard tissue augmentation in the nonsupported coronal direction has been unpredictable. A case report is presented in which a severely defected ridge around a pathologically exposed functional implant combined with a destructive extraction site was restored and regenerated. Bovine bone mineral particles (Bio-Oss) served as the graft material and were followed by an expanded polytetrafluoroethylene (e-PTFE) occlusive membrane as a bilateral regenerative tissue guide. Subsequently, 2 additional implants were placed in the augmented hard tissue ridge.

Alveolar Bone Loss↗
PubMedDate not supplied

Observations of interproximal contact relations during clenching.

PURPOSE: Previous studies have shown that molar teeth pulsate at rest and displace linguoapically during clenching at maximal intercuspation. The aim of this study was to investigate interproximal contact during clenching by means of a charge coupled device (CCD) microscope. MATERIALS AND METHODS: Two male subjects aged 28 years with normal dentition and occlusions were selected for in vivo research. Optimum contact tightness was observed at contact points that were defined by some resistance to the insertion of a 50-micron-thick stainless steel strip; however, a 110-micron strip could not be inserted there [corrected]. Spaces between the teeth were detected using a CCD microscope on the buccal side by light bands emitted from the lingual side. During static observation, the chosen distance between the microscope and light guide was maintained using a special device. For dynamic observation, a palatal and lingual plate with a light source was fitted to each subject. Subjects were directed to clench with habitual occlusal force. To compare with in vivo observations, the relation between the width of the light band and the interproximal distance was estimated in vitro using 2 extracted teeth. Light bands were analyzed using software. RESULTS: In the 2 subjects studied, there was a 3- to 21-micron distance between adjacent teeth at rest, which disappeared during clenching. CONCLUSION: The results of the study sample examined indicate that teeth do not make contact with adjacent teeth at rest, but do so during clenching.

Adult↗
PubMed1999

Special considerations, treatment selection criteria, and case reports.

As understanding of the diagnostic and technical prerequisites for maximizing therapeutic results after guided tissue regeneration (GTR) therapy matures, the applications of such treatment have been expanded. This article discusses the use of GTR therapy in the esthetic zone, beneath pontics, and in combination with resective treatment modalities. A hierarchy of appropriate treatment selection is presented.

Alveolar Bone Loss↗
PubMed1998

[Causes of late odontostomatologic consultations in Ivory Coast].

In Africa, particularly in Ivory-Coast, dental patients present late with life threatening complications. The authors designed a questionnaire to be filled by each patient who presented with serious dental pathology whose only remedy was tooth extraction. Causes of late consultation including financial deprivation, fear of dentist, self medication are some of the factors identified by the authors as the most frequent factors. Dental health education and a comprehensive, social policy are advanced as possible ways of prevention.

Adolescent↗
PubMed2001

Papillon Lefevre syndrome: management of a case.

Papillon Lefevre Syndrome is a rare syndrome autosomal recessive in nature, manifesting as keratosis palmoplantaris with periodontitis. A case of Papillon Lefevre Syndrome present in a 12 year old boy is presented. Only the permanent maxillary canines were present in the oral cavity when the patient was first seen, and despite efforts towards preservation, they had to be extracted. (complete dentures were made and the patient was followed up for 26 months.

Alveolar Bone Loss↗
PubMedDate not supplied

Periodontal considerations in removable partial denture treatment: a review of the literature.

PURPOSE: A critical review of the literature on the periodontal considerations in removable partial denture (RPD) treatment is presented. MATERIALS AND METHODS: A MEDLINE search was conducted for studies pertaining to the effects of RPDs on the periodontal tissues during the various phases of prosthetic treatment. The review included both in vivo and in vitro studies. RESULTS: The use of RPDs leads to detrimental qualitative and quantitative changes in plaque. There seems to be a lack of information regarding the effects of RPDs on the status of periodontally compromised abutments. A number of studies, mainly in vitro, have failed to agree on the ideal RPD design. Clinical trials have shown that if basic principles of RPD design are followed (rigid major connectors, simple design, proper base adaptation), periodontal health of the remaining dentition can be maintained. CONCLUSION: Removable partial dentures do not cause any adverse periodontal reactions, provided that preprosthetic periodontal health has been established and maintained with meticulous oral hygiene. Frequent hygiene recalls and prosthetic maintenance are essential tools to achieve a good long-term prognosis. More prospective clinical trials are needed on the effect of RPDs on the condition of periodontally involved abutment teeth.

Dental Abutments↗
PubMed1994

Use of Zircalloy to induce bone regeneration. A 2-year follow-up study.

In a previous study we analyzed the behaviour of Zircalloy 4 particles employed in patients with significant loss of periodontal bone support which threatened the permanence in situ of the tooth. We herein present the results obtained after regular examination over a 2-year period of 6 patients submitted to this treatment. Our results reveal that all patients exhibited excellent gingivo-periodontal health with an increase in clinical insertion of 7 mm +/- 1 and a marked reduction in motility from 3 to 1. None of the cases featured added inflammation or expulsion of the implant material. In one of the cases it was possible to study the histology of the area by punch biopsy with a disposable needle (Sherwood-Medical). Analysis of the sample revealed the presence of bone tissue in intimate contact with implanted metallic particles of Zircalloy 4, producing osseointegration. This osseointegration would lead to filling of the periodontal bone defect. Macrophages loaded with metallic particles were found in the vicinity of particles which were not osseointegrated. These features may correspond to superficial areas related with soft tissue as observed in our study on alveolar filling in rats with the same type of particles.

Adult↗
PubMed2002

Oral health status of Asian and Hispanic women. A pilot study.

Data on the oral health of Asian and Hispanic women are rare in the dental literature. The objective of this study was to investigate the oral health status and needs of women from these two groups. Forty newly registered women from each group were the subjects of the study. Standard forms were used to collect sociodemographic information, medical histories, oral health status, oral hygiene practices and smoking habits. The oral examination recorded the DMFT and periodontal condition. Data were analyzed using SPSS Univariate General Linear Model, odds ratios and relative risks. Chi-Square tests were within the 95% confidence interval, and with @ = .05. The results showed that there was no statistical difference in age, education, oral health care, smoking habits, annual dental visits or DMFT between the two groups.

Adult↗