Effect of the lack of primary stability in the survival of dental implants

Yea

Journal of Periodontology

et al. 2019

Background The purpose of this study was to compare the survival rates of implants placed following 1‐stage or 2‐stage maxillary sinus floor augmentation by the lateral window technique (SFALW) performed on residual bone of <4 mm. Methods This study was conducted based on dental records and radiographs obtained from patients who received SFALW from March 2006 to June 2014, being followed up between March 2006 and December 2017. They were divided into 1‐stage and 2‐stage groups according to the SFALW performed. Statistical analysis was performed to evaluate whether a significant difference existed between 1‐stage and 2‐stage SFALW in terms of survival rates. Multivariable logistic regression analysis was used to examine the influence of multiple variables on implant failure. Results A total of 395 implants (156 implants in the 1‐stage group, 239 implants in the 2‐stage group) in 167 patients fulfilled the inclusion criteria. Among them, 13 implants (five implants in the 1‐stage group, eight implants in the 2‐stage group) failed. No significant difference was found in the 10‐year cumulative survival rate of implants between the 1‐stage group and the 2‐stage group (96.8% and 92.5%, respectively, P = 0.656). Multivariable logistic regression analysis demonstrated that implant failure was significantly influenced by implant length and functional time following prosthetic loading. Conclusions The 10‐year cumulative survival rates showed no statistically significant difference between implants following 1‐stage and 2‐stage maxillary SFALW performed on residual bone height of <4 mm.

Section: Discussionsupporting

confidence: 85%

A retrospective study of implants placed following 1‐stage or 2‐stage maxillary sinus floor augmentation by the lateral window technique performed on residual bone of <4 mm: Results up to 10 years of follow‐up

Yea

Journal of Periodontology

et al. 2019

“…In 2005, Park and Wang presented their accepted classifications and treatments of various reversible complications commonly encountered during routine implant-related procedures [12]. Several studies were conducted based on Park and Wang's classification to evaluate these complications; it was concluded that careful clinical and radiographic examination of each case, accurate planning of procedures, the use of proper surgical techniques and appropriate instruments, and the correct management of healing and osseointegration all combine to prevent such events [53][54][55][56][57]. In our study, 22.22% of participants expressed poor knowledge regarding these complications, which may be explained by the unfamiliarity of this type of reversible complication classification among the participants.…”

Section: Discussionmentioning

confidence: 99%

Knowledge, awareness, and perception of dental students, interns, and freshly graduated dentists regarding dental implant complications in Saudi Arabia: a web-based anonymous survey

Saad

Salem

2021

BMC Oral Health

Background It is necessary for dental students and freshly graduated dentists to apply their education and practice to different clinical and preclinical procedures. The implant success rate and durability are high. Therefore, this study was designed to assess the level of knowledge, awareness and perception of dental students, interns and freshly graduated students regarding dental implant complications in Saudi Arabia. Methods A cross-sectional study design using a web-based method was conducted at different dental institutions in Saudi Arabia from December 2019 to March 2020. Data were collected from all (n = 288) undergraduate students, interns and freshly graduated dentists using a pretested standardized self-administered web-based questionnaire that was prepared and circulated using a template provided by Google Forms (Google, Inc., USA). Descriptive statistics and chi-square tests were performed to analyse the data using SPSS (version 20). Results A total of 288 participants completed the questionnaire, with a response rate of 83.4%. Of the total participants, 37.5% showed a good level of knowledge regarding dental implant procedures, and 38.9% showed the same level of knowledge regarding implant complications. The most important cause of complications associated with dental implants was case selection, which accounted for 54.17%. Most participants (58.33%) chose massive bone loss related to implant failure as the most common late dental complication, while 26.39% chose postoperative infection as the most common early dental complication. In addition, 30.56% of the participants selected screw loosening as the most frequent mechanical complication. However, lack of implant primary stability was the most common hard-tissue implant complication. Based on aesthetic and reversible complications, restorations that were too buccal or too palatal and prosthetic-related, respectively, were the least common dental implant complications. Conclusions The level of knowledge among participants regarding dental implant complications differed among the institutions participating in this study. This difference reflects a significant variation that necessitates reviewing and standardizing dental implant curricula among these institutions.

“…The first prerequisite for the success of dental implantation is represented by achieving sufficient primary stability. This is defined as the absence of mobility of the implant after insertion and is dependent upon mechanical engagement of the fixture with the surrounding bone [ 9 , 10 , 11 ]. During bone healing, insufficient primary stability can cause excessive micromotion (>50–100 µm) at the bone–implant interface.…”

Section: Introductionmentioning

confidence: 99%

Stability of Dental Implants and Thickness of Cortical Bone: Clinical Research and Future Perspectives. A Systematic Review

et al. 2021

Dental surgery implantation has become increasingly important among procedures that aim to rehabilitate edentulous patients to restore esthetics and the mastication ability. The optimal stability of dental implants is correlated primarily to the quality and quantity of bone. This systematic literature review describes clinical research focusing on the correlation between cortical bone thickness and primary/secondary stability of dental fixtures. To predict successful outcome of prosthetic treatment, quantification of bone density at the osteotomy site is, in general, taken into account, with little attention being paid to assessment of the thickness of cortical bone. Nevertheless, local variations in bone structure (including cortical thickness) could explain differences in clinical practice with regard to implantation success, marginal bone resorption or anchorage loss. Current knowledge is preliminarily detailed, while tentatively identifying which inconclusive or unexplored aspects merit further investigation.