scholarly journals Chronological Age as Factor Influencing the Dental Implant Osseointegration in the Jaw Bone

2018 ◽  
Vol 119 (1) ◽  
pp. 43-51 ◽  
Author(s):  
Jakub Papež ◽  
Taťjana Dostálová ◽  
Karel Chleborád ◽  
Pavel Kříž ◽  
Jakub Strnad
Keyword(s):  
Retrospective Study ◽  
Dental Implant ◽  
Elderly Population ◽  
Point Of View ◽  
University Hospital ◽  
Chronological Age ◽  
Related Factors ◽  
Jaw Bone ◽  
Bone Changes

The objectives of this study were to evaluate osseointegration of dental implant in the jaw bone in the young and elderly population and comparing the results to assess indicators and risk factors as age for the success or failure of dental implants. A retrospective study of 107 implants (Impladent, LASAK, Czech Republic) was prepared. The patients at implants surgery were divided in three groups. The patients were followed-up for a 7-year period. We evaluated osseointegration from long term point of view as a change of marginal bone levels close to dental implant. Marginal bone levels were recorded and analysed with regard to different patient- and implant-related factors. An influence of chronological age on change of marginal bone levels during 6-year retrospective study vas evaluated. The study examined 47 patient charts and 107 implants from the Second Faculty of Medicine, Charles University and University Hospital Motol. We proved that young healthy patients with long bridges or Branemarks have the same progression of marginal bone levels changes. The chronological age hasn’t therefore direct influence on the osseointegration from long term point of view. But we found that the length of dental suprastrucure-prosthetic construction negatively influences marginal bone changes, though these results weren’t statistically significant. More extensive dental implant suprastrucure undergoes smaller osseointegration. On the other hand the length of dental suprastrucure (prosthetic construction) negatively influences dental osseointegration in both groups of patient.

scholarly journals Survival of Dyna Implants: A Retrospective Study with 1 to 6 Years of Follow Up

2022 ◽  
Author(s):  
Hamidreza Barikani ◽  
Mohadeseh Heidari ◽  
Mohammadjavad Kharazifard ◽  
Amirreza Rokn
Keyword(s):  
Retrospective Study ◽  
Dental Implant ◽  
Point Of View ◽  
Implant Survival ◽  
Missing Teeth ◽  
World Class ◽  
Implant System ◽  
Long Term Studies

Objectives: Dental implants are a prominent scientific breakthrough and are frequently applied for replacement of the missing teeth. From the clinicians’ point of view, long-term studies are essential to find out the predictability of dental implant systems. Materials and Methods: In this retrospective study, 1,626 patients who received 4,389 Dyna implants in a private office between 2013-2019 were evaluated. All statistical analyses were performed using SPSS 25 for Windows. P values less than 0.1 were considered significant for regression analysis. Results: Dyna implantts (4389) placed from 2013 to 2019 were evaluated in this study. One-hundred and thirty-three (3.03%) implants failed during the healing period or recall visits. Eighty-nine implants (2.03%) failed immediately and 44 (1%) failed after 3 months. Conclusion: The present study showed that the Dyna dental implant system had high implant survival, and it had all the survival criteria similar to world-class dental implant systems.  

LONG-TERM TREATMENT OF DWARFISM WITH ANDROGENS AND THYROID HORMONE

1959 ◽  
Vol XXXII (IV) ◽  
pp. 563-574 ◽  
Author(s):  
H. Hortling ◽  
K. Wahlfors
Keyword(s):  
Thyroid Hormone ◽  
Bone Age ◽  
Term Treatment ◽  
Point Of View ◽  
Chronological Age ◽  
Long Term Treatment ◽  
Thyroid Medication ◽  
Height Increase ◽  
Delayed Closure

ABSTRACT In 7 cases of dwarfism with markedly delayed closure of the epiphyses, methyltestosterone was administered sublingually in doses of 5–10 (25) mg daily in combination with thyroid hormone in doses of 25–120 mg daily for 2–7 years. At the institution of treatment the patients were 9, 11, 15, 15, 16, 17 and 20 years old and were 95, 125, 119, 124, 120, 135 and 125 cm in height respectively. The bone age was in all cases checked against Greulich & Pyle's radiographic tables (1950). During the first two years of therapy, 5 patients exhibited a more rapid increase of the bone age than was to be expected considering their chronological age. In 5 cases where the therapy was continued over a longer period of time, such a tendency was not demonstrable later, although the dosage of methyltestosterone was often somewhat increased. On the contrary, a retardation of the bone age development occurred, as compared with the chronological age. In none of the present cases have the epiphyses become closed, notwithstanding a considerable height increase in all cases, i. e. 15–29 cm depending on the length of the period of treatment, and the relatively advanced age of the patients at the time of writing when they are still under androgen therapy with or without thyroid medication. Provided that the bone age is continuously checked, it appears that methyltestosterone in small doses can safely be used in the treatment of dwarfism with delayed closure of the epiphyses. This trea[ill]ment proved to be of great importance from the point of view of the choice of a vocation as well as for the future life of the patients.

Incidence of bone fracture in Japanese patients receiving long-term hormone therapy for prostate cancer.

2013 ◽  
Vol 31 (15_suppl) ◽  
pp. e16098-e16098
Author(s):  
Hiroji Uemura ◽  
Hideo Fusayasu ◽  
Shinji Ohtake ◽  
Narihiko Hayashi ◽  
Yumiko Yokomizo ◽  
...  
Keyword(s):  
Prostate Cancer ◽  
Retrospective Study ◽  
Gnrh Agonist ◽  
Hormonal Therapy ◽  
Bone Fracture ◽  
Bone Fractures ◽  
Japanese Patients ◽  
University Hospital ◽  
Long Term Treatment

e16098 Background: For patients with advanced prostate cancer, long-term treatment of androgen deprivation has been conventionally performed. Among the adverse events such as hormonal therapy, bone fracture due to osteoporosis or metastatsis is one of indispensable events. We assessed the frequency of bone fractures in Japanese patients received hormonal therapy. Methods: Between 2000 and 2010, 1,108 Japanese patients were treated with hormonal therapy including GnRH agonist plus anti-androgens or GnRH agonist alone at Yokohama City University Hospital. Of those patients, 48 patients (4.3%) had bone fractures during their treatment. In this retrospective study, we examined the association of bone fracture with the long-term hormonal therapy by investigating the duration of hormonal therapy, fracture sites, and the occurrence of fracture in castration resistant prostate cancer (CRPC) patients. Results: The median age of the patients with fracture was 77 (60-85) years; the median duration from the start of hormonal therapy to fracture was 29.4 (5.4-110.4) months. Eight patients with CRPC had pathological fractures at bone metastases. With respect of fracture sites, 22 patients (46%) had spinal fractures and 10 patients (21%) had fracture of lower legs. Of 8 CRPC patients, 7 patients had spinal fracture after long-term hormonal therapy (median: 38.6 months, range: 15.7-99.1 months). Conclusions: Japanese patients with prostate cancer treated with hormonal therapy have lower risk for bone fracture compared with those in western countries and USA, and interestingly, it is recognized that vertebral body is vulnerable to fracture in Japanese, especially in CRPC patients treated for long-term hormonal therapy. Because bone fracture in patients with prostate cancer endanger their prognosis, the bone management how to prevent bone fracture is very important during hormonal therapy. For the purpose of it, more detailed analysis in this retrospective study should be required.

No Silver Lining: Evaluating the Need for Consistent and Appropriate Functionality Assessments Among the Increasing and Incarcerated Elderly Population

2020 ◽  
Vol 45 (4) ◽  
pp. 484-501
Author(s):  
Brandon C. Dulisse ◽  
Chivon H. Fitch ◽  
Matthew Logan
Keyword(s):  
Elderly Population ◽  
Prison Population ◽  
Chronological Age ◽  
Correctional Facilities ◽  
Vulnerable Group ◽  
Related Factors ◽  
Age Related ◽  
New Challenges ◽  
Silver Lining ◽  
The U.S

Despite a recent decrease in the U.S. prison population, the proportion of offenders who might classify as elderly has increased exponentially during the same period—the likes of which have created new challenges for administrators tasked with the supervision of, and provision of resources to, this demographic. We review the current literature regarding functionality assessments for elderly inmates to highlight the difficulty associated with using existing instruments that are not specifically designed for the prison setting. We further argue that current efforts to identify elderly inmates are lacking, resulting in the potential misclassification of an already vulnerable group. We propose that future functionality assessments within correctional facilities incorporate a number of age-related factors that focus less on chronological age and more on the mental, physical, and social aging processes of incarcerated individuals.

scholarly journals Risk Factors for Tooth Loss in Patients with ≥25 Remaining Teeth Undergoing Mid-Long-Term Maintenance: A Retrospective Study

2021 ◽  
Vol 18 (13) ◽  
pp. 7174
Author(s):  
Hiroo Kawahara ◽  
Miho Inoue ◽  
Kazuo Okura ◽  
Masamitsu Oshima ◽  
Yoshizo Matsuka
Keyword(s):  
Risk Factors ◽  
Retrospective Study ◽  
Tooth Loss ◽  
Economic Status ◽  
Significant Risk ◽  
Related Factors ◽  
Term Survival ◽  
Worldwide Population

Tooth loss represents a diffused pathologic condition affecting the worldwide population. Risk factors have been identified in both general features (smoking, diabetes, economic status) and local tooth-related factors (caries, periodontitis). In this retrospective study, we examined the data of 366 patients with a large number of remaining teeth (≥25) undergoing maintenance therapy in order to identify specific risk factors for tooth loss. The number of remaining teeth, number of non-vital teeth, and number of occlusal units were investigated for their correlation with tooth loss. The mean follow-up of patients was 9.2 years (range 5 to 14). Statistically significant risk factors for tooth loss were identified as number of remaining teeth at baseline (p = 0.05), number of occlusal units (p = 0.03), and number of non-vital teeth in posterior regions (p < 0.001). Multiple logistic regression showed that the number of occlusal units and number of non-vital teeth in the posterior regions were significantly associated with a greater risk of tooth loss (odds ratio 1.88 and 3.17, respectively). These results confirm that not only the number of remaining teeth, but also their vital or non-vital status and the distribution between the anterior and posterior regions influence the long-term survival.

Complete Unilateral Cleft Lip and Palate: Validity of the Five-Year Index and the Goslon Yardstick in Predicting Long-Term Dental Arch Relationships

2006 ◽  
Vol 43 (5) ◽  
pp. 557-562 ◽  
Author(s):  
Michael Mars ◽  
Puneet Batra ◽  
Emma Worrell
Keyword(s):  
Retrospective Study ◽  
Cleft Lip ◽  
Cleft Lip And Palate ◽  
Weighted Kappa ◽  
University Hospital ◽  
Dental Arch ◽  
Kappa Score

Objective: To assess the validity of the 5-year index by subjecting study models at the age of 5 years to both the 5-year index and the Goslon yardstick, and then relating these results to the Goslon ratings at 10 years. Design: Retrospective study. Setting: Sahlgrenska University Hospital, Gothenburg, Sweden. Patients: Study models of 94 patients with unilateral cleft lip and palate (UCLP) were evaluated at the ages of 5 and 10 years. The dental arch relationships were judged and categorized by using the Goslon yardstick for the 10-year models and both the Goslon yardstick and the 5-year index for the 5-year models. Results: When used for 5- and 10-year models, the Goslon yardstick showed a kappa score of 0.539 (weighted kappa = 0.579) with a moderate strength of agreement. However, 5-year index scores at 5 years compared with the Goslon scores at 10 years showed a kappa score of only 0.043 (weighted kappa = 0.090), showing poor strength of agreement. Goslon scores at 10 years showed improvement in 14 cases when graded by the same Goslon yardstick at 5 years, whereas there was improvement in 23 cases when the 5-year models were graded by the 5-year index (actual improvement in scores in UCLP cases is highly unlikely). Conclusions: Although use of the Goslon yardstick at 5 years has demonstrated some inherent flaws in its use at that age, these drawbacks are fewer than those when the 5-year index is used at 5 years of age.

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