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PubMedDate not supplied

[The effect of partial tooth loss in periodontal diseases on the muscle activity of the maxillofacial area].

Electromyographic examinations of subjects with partial loss of teeth caused by periodontal disease and resulting in maxillodental deformation revealed dysfunction of the masticatory, temporal, and suprasublingal muscles which augments in relation to loss of antagonistic pairs of teeth and to dentition defect class: the lesser is the number of occlusion contacts with mobile teeth, the more manifest are functional disorders.

Electromyography↗
PubMed1998

Osteoporosis: a possible modifying factor in oral bone loss.

There has been increasing interest in the interrelationship between systemic osteoporosis, oral bone loss, tooth loss, and risk factors for these conditions. Because the severity of alveolar bone loss increases with age, it has long been hypothesized that it may, in part, be related to systemic conditions that also predispose the patient to osteoporosis/osteopenia. The purpose of this paper is to review the risk factors for osteoporosis and periodontitis, as well as the evidence that loss of oral bone mineral may be related to systemic osteopenia. There is also evidence that therapies designed to influence systemic bone mineral density, such as hormone replacement and bisphosphonate therapy, may be associated with less tooth loss and a slower loss of alveolar bone, respectively.

Alendronate↗
PubMed2005

The accuracy of individual self-reported items to determine periodontal disease history.

The objective of this study was to evaluate the validity of self-reported periodontal disease and symptoms to predict periodontal disease history in a German population. We analysed data from 246 patients who answered a self-administered questionnaire on self-perceived periodontal disease and self-reported symptoms of periodontal disease. Actual periodontal status was assessed from panoramic radiographs and periodontal disease was defined as > or = 3 teeth with radiographic alveolar bone loss (ABL) > 5 mm (prevalence 39%). Sensitivity (SN) and specificity (SP) of self-reported items for diagnosis of periodontal disease history were calculated. The diagnostic accuracy of any individual item was generally low. For example, self-perceived periodontal disease had SN of 49% and SP of 67%. All self-reported items had low sensitivity, while self-reported professionally diagnosed bone loss, tooth loss caused by periodontal disease and mobility had SP > 90%. In conclusion, we did not identify a single individual question that can assess periodontal disease from self-reporting with satisfactory validity. Future studies will evaluate whether multivariate prediction rules using information from several self-reported variables are a valid means to ascertain periodontal disease history.

Adult↗
PubMed1994

The interface between orthodontics and restorative dentistry in the management of anterior tooth surface loss.

Anterior tooth surface loss is a significant problem, ideally requiring early recognition, diagnosis and prevention of progression. However, when first noted it is often sufficiently advanced to warrant treatment. Management should be aimed at minimizing further tooth surface loss and frequently benefits from an integration of treatment procedures. The problems, aims of treatment, and relevant treatment modalities are discussed, and two illustrative cases presented.

Acids↗
PubMed2005

Radiographic evaluation of destructive periodontal disease in blue mink in relation to age and blood morphology.

In this study, blood samples and jaws were collected from 2 genotypes of blue mink (n = 289) in order to examine phenotypic expression of specific characteristics of Chediak-Higashi Syndrome (C-HS). Blood samples were subjected to differential counts to assess the proportion of abnormal polymorphonuclear leukocytes characteristic for CH-S (C-HS-leukocytes). Abnormal leukocytes with characteristic signs of C-HS were found in blood smears from all mink included in this study. Four teeth in one half of the mandible (P3, P4, M1, M2) were subjected to quantitative radiographic evaluation of alveolar bone loss and tooth loss. There was a high prevalence of destructive periodontal disease among blue mink included in this study. Mild to moderate periodontal disease (defined by less than 50% alveolar bone loss related to 1 or more teeth) affected 73.7% of young mink (age = 7 mo) and 67.9% of older animals (age > or = 19 mo). Severe periodontal disease (defined by more than 50% bone loss related to one or more teeth) was not detected in mink aged 7 mo, but affected 15.3% of mink aged 19 mo and 39.6% of mink aged 31 mo. The positive relationship between age and periodontal disease was statistically significant (P < 0.01). The prevalence of tooth loss was found to be high among blue mink aged > 19 mo (21.6%) and was also significantly related to age (P < 0.01). A significant positive interaction between alveolar bone loss and tooth loss (P < 0.01), implies that the highly prevalent tooth loss in the mink was related to and possibly caused by destructive periodontal disease. There was no significant difference in the prevalence of periodontal disease between the 2 genotypes and age was found to be the only statistical predictor of poor production results (P < 0.01) in blue mink.

Age Factors↗
PubMed1994

Smoking as a risk factor for gingival problems, periodontal problems and caries.

Lack of uniformity in the classification of oral diseases, and variability of study designs, measurements, methods, and statistical formats, hamper the interpretation, comparison and review of the evidence linking smoking and oral diseases. However, there have been a significant number of controlled studies, allowing definitive conclusions to be drawn. This review of 22 controlled scientific studies from 1983-1992, considers the role of smoking as an aetiological agent in: gingival problems (impaired gingival bleeding, ANUG), periodontal problems (periodontitis, bone loss, tooth loss), and caries.

Dental Caries↗
PubMed1996

Tooth rotation and alveolar bone loss.

Tooth rotation and periodontal breakdown has not been thoroughly studied due to lack of quantitative tools. The purpose of the present study was to examine this correlation, with respect to alveolar bone loss, from direct observation of 17 skulls. A photograph of the mandibular occlusal plane was taken from a fixed reference point, and the midcentral fossa and the extreme mesial and distal points of each tooth were marked on the photograph. A computer program established the arch form of each mandibular from the midtooth landmarks. The angle between individual teeth and the arch (at any given point) was calculated. Bone loss, indicated by the distance of the bone crest from the cementoenamel junction, was measured at six reference points around each tooth with a caliper. A positive correlation, through weak, was found between increased tooth rotation and greater bone loss. Mean bone loss of teeth with rotation of 20 degrees and greater was 4.03 mm, while that of teeth with less than 20 degrees of rotation was 3.49 mm.

Adult↗