The effect of osteoporosis on residual ridge resorption and masticatory performance in denture wearers Aim: To compare masticatory performance, masticatory efficiency and residual ridge resorption (RRR) in osteoporotic and non-osteoporotic edentulous subjects after rehabilitation with complete dentures. Method: Thirty subjects fulfilling the inclusion criteria were enrolled from the patients visiting the Department of Prosthodontics for complete denture fabrication. Two groups consisting of control subjects (group I; N = 15) and osteoporotic subjects (group II; N = 15) were formed. Complete dentures satisfying certain criteria were fabricated for both groups. Masticatory performance and efficiency were measured 6 months after denture insertion. Areal measurements were taken on lateral cephalograms before and 6 months after denture fabrication. The data were then computed to analyse differences between groups I and II using SPSS statistical software version 15.0. Results: Six months after denture fabrication, the masticatory performance and efficiency were significantly higher (p < 0.001) for group I, with a significant decrease in maxillary and mandibular sagittal area seen in both groups. The rate of bone loss was more in group II compared with group I. Conclusion: Greater masticatory function was demonstrated by the non-osteoporotic group, and the rate of RRR was more in the osteoporotic group compared with the normal group. In this pilot study, osteoporosis leads to greater RRR, decreased masticatory performance and efficiency in edentulous subjects 6 months after denture insertion. Screening for osteoporosis is suggested as a routine procedure for all edentulous subjects undergoing rehabilitation. Recall check-ups for osteoporotic patients should be more frequent, and these patients may require more frequent denture remakes.
The results of this study suggested that although masticatory performance and efficiency were not statistically different for single teeth replaced with implants or FPDs, patients perceived higher satisfaction with implant restorations; they also preferred the shorter treatment times for rehabilitation in the FPD group.
Forty percent of the subjects considered oral hygiene unnecessary, 60.8% of the population was relying on simple mouth rinsing for maintaining oral hygiene, 48% had either the habit of smoking and chewing tobacco or both and 81% of the subjects had one dental myth or the other. We concluded that the rural aged is a deprived lot and a targeted program to infuse scientific dental practices in them is necessary.
Prevalence of dental myths, oral hygiene methods and tobacco habits in an ageing North Indian rural population Background and objectives: Though increased emphasis is being given to expanding dental care facilities and awareness in Indian villages, the target population is unfortunately less literate and financially-equipped compared to their urban counterparts. This study attempted to evaluate dental myths, oral hygiene methods and beliefs, and tobacco habits present in a rural ageing population. Material and methods: The study area consisted of a group of 10 villages, situated in the district of Lucknow, Uttar Pradesh, India. The sample comprised 681 people aged 50 years or above. The subjects were questioned about dental myths, tobacco habits and oral hygiene methods and then divided into groups on the basis of age, gender, and educational status. Mean values, standard deviation, chi-square test, t-test and p values were used to obtain inter-group comparisons. Results: Forty percent of the subjects considered oral hygiene unnecessary, with 61% relying on simple mouth rinsing for maintaining oral hygiene, 48% either smoked and chewed tobacco or both and 81% had one or more dental myth.
Conclusion:The results showed that the rural ageing population is deprived and a targeted programme to spread scientific dental practices to them is necessary.
Healthy jawbones ensure better tooth anchorage and the ability to masticate and maintain metabolism. This is achieved by a delicate balance between bone formation and resorption in response to functional demands. An imbalance in the expression of receptor activator of nuclear factor kappa-B (RANK) ligand (RANKL) and osteoprotegerin (OPG) or osteoclastogenesis inhibitory factor (OCIF) is believed to be the underlying mechanism of osteolysis in metastases, multiple myelomas, and cancer therapy-induced bone loss in patients. Considered mainly as bone-specific agents to treat postmenopausal osteoporosis, bisphosphonates, in combination with certain chemotherapeutic agents have proved to be effective in prevention of tumor formation and metastatic osteolysis in bone tissue. Osteonecrosis of the jaws associated with them has, however, been of grave concern to the prosthodontist, as it predisposes patients to a bone-deficient basal seat for dental prostheses. This manuscript reviews available information over the past 13 years on possible mechanisms of bone loss, bisphosphonate-induced osteonecrosis of jaw bones, and prosthodontic concerns.
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