Evaluation of Survival Rates of Dental Implants and the Risk Factors: A Retrospective Follow-Up Study.

Introduction The current research sets out to assess implant early survival rates and identify relevant parameters. Methods The research spanned the years 2021 and 2022 and included all individuals who had dental implants. Various criteria, such as age, sex, maxilla/mandible, implant location, immediate implant, implant diameter, implant length, and others, were used to determine the implant survival rate in the research. A multiple logistic regression model was used to show the risk variables for early survival rates of implants, and components with p < 0.05 were further included after the Chi-square test was employed to filter them. Results The current research included 128 patients who had a single implant procedure, including 70 males and 58 females. The early survival rate was 91.40%, and 117 implants were retained after implantation. Risk variables that were shown to be associated with early survival rates were patients aged 30-60 years (OR: 2.542), immediate implant placement (OR: 3.742), and implant length less than 10 mm (OR: 3.972). Conclusions Age, tooth location, implant length, and immediate implantation were risk variables that contributed to our subjects' above 91% early survival rate of implants.

Comparison of the effect of zirconia and titanium abutments on peri-implant hard and soft tissues.

AIM: The primary objective of this research was to assess and compare the impact of customized zirconia (Zr) and titanium (Ti) abutments, placed on early loaded dental implants, on both hard tissue (as measured crestal bone level) and soft tissue (as assessed by sulcular bleeding index [SBI], probing depth [PD], and Pink Esthetic Score [PES]), through clinical and radiographic evaluation. SETTINGS AND DESIGN: This research involved a sample of 15 patients who had partially dentulous mandibular arch. Within this group, a total of 30 implants were surgically placed. Specifically, each patient received two implants in the posterior region of the mandible, and the bone density in this area was classified as D2 type. In each patient, one implant was loaded with Zr abutment and the other was loaded with Ti abutment. The bone quality in the area of implant placement was Type D2. Two groups were created for this research. Each group consisted of 15 early loaded dental implants with customized Zr abutments and customized Ti abutments respectively. MATERIALS AND METHODS: Hard- and soft-tissue changes were evaluated in both the groups. Evaluation of crestal bone loss (CBL) with cone beam computed tomography and SBI, PD and PESs were evaluated by various indices at 2, 4, and 6 months postloading. STATISTICAL ANALYSIS USED: After obtaining the readings, data were subjected to statistical analysis and comparison of quantitative data was done, paired t-test was used. RESULTS: The mean CBL in the Ti abutment is higher; the difference between the two groups was not statistically significant. SBI and PD for Zr were higher, but there was no statistically significant difference between the two groups. Zr had a higher PES than Ti abutment and the difference between the two groups was statistically significant. In the literature till date, the PES of Zr abutments were proven better for provisional restorations in implant prosthesis, but very few literatures support the same for the final implant restorations. CONCLUSION: The study did not reveal a clear advantage of either Ti or Zr abutments over the other. Nevertheless, Zr abutments tended to produce a more favorable color response in the peri-implant mucosa and led to superior esthetic outcomes as measured by the PES.

Evaluation of awareness and knowledge about denture cleansers among dental professionals.

Denture cleansers have been widely used in prosthodontics for cleaning and maintaining dentures. However, little is known about dentist's knowledge, awareness and experience of denture cleansers. Denture wearers would benefit greatly from a dental professional's guidance regarding use of dental cleansers. Basic objective of this study is to investigate awareness and knowledge about denture cleansers among dental professionals. A quota sampling technique was adopted with a sample size of 200 respondents. A well-structured questionnaire was used for collection of cross-sectional data. Statistical analyses were adopted to draw logical and scientific inferences. The χ (2) test was used to test the independence of various attributes. Highest number of respondents (55.5 %) used tablet form of denture cleanser. 47.5 % reported that they had little knowledge about adverse effects of denture cleansers. A significant percentage (36 %) reported that no knowledge is imparted about denture cleansers in their curriculum. Eighty seven percent of respondents felt the need to enhance their knowledge. It is inferred from the present study that it is very important to raise dentist's awareness and knowledge about denture cleansers by teaching them in more depth and further in continuing education and training, so as to enable them to impart adequate guidance to their patients.