The aim of this study is to assess the increase of temperature following laser irradiation with 810 nm, 980 nm, and 1064 nm diode laser wavelengths, of an implant under conditions that more closely replicate those of the human body. A 4 × 14 mm machined surface implant was placed in a porcine rib to replicate the conductivity of heat given by the bone. A peri-implant vertical defect was made that was 2 mm wide and 2 mm deep to simulate bone resorption. Two thermocouples were positioned crestally and apically on the implant surface. The tip of the laser was kept 3 mm away from the surface and continuously moved in an up-and-down and side-to-side fashion, inside the defect for 60 seconds. Initial temperatures and the time needed to reach an increase of 10°C were recorded. The experiment was repeated at room temperature and in a 37°C water bath with the following settings: 0.6 W, 0.8 W, 1 W continuous and repeated in pulsed. A critical increase of temperature of more than 10°C is reached with all lasers at 0.8 W and 1 W in continuous mode at room temperature. Only the 1064 nm diode laser reached the critical increase at 0.8 W in pulsed mode. No critical increase of temperature was registered with other settings and when the bone block was placed in a 37°C water bath. The results of this study suggest that use of these diode lasers does not cause a harmful increase in temperature when used under conditions similar to those of the human body.
The use of 14% doxycycline gel in implant surface decontamination was efficacious in this in-vitro study. Adjunctive use of locally delivered 14% doxycycline gel might be a viable option in the management of peri-implantitis and peri-implant mucositis considering its efficacy in reducing bacterial colonization.
Antibiotics belonging to the category of tetracyclines have been widely used in periodontal therapy due to their specifi c characteristics that makes them eff ective both against the microorganisms responsible of the periodontal disease and against the enzymatic products responsible of the periodontal breakdown. A search of the recent literature (January 2009-December 2014) was conducted in order to make a review of the use of tetracyclines for local use in periodontal therapy. From this review we can infer that the use of local tetracyclines brings signifi cant advantages in periodontal therapy. However, to date, it is not possible to establish guidelines on the use of these agents given the heterogeneity in the protocols used in the various studies and the lack of a consensus accepted by the scientifi c community. The local locally delivered tetracyclines is eff ective in the treatment of periodontal disease when used in addition to the mechanical therapy and is particularly eff ective in cases of localized acute lesions or individual sites unresponsive to the causal therapy.
Background: The lateral maxillary sinus augmentation (MSA) procedure has good predictability in terms of the success of bone regeneration with a low incidence of postoperative infections, estimated between 2% and 5.6%. Although the use of antibiotics is an established and standardized prophylactic measure for MSA procedures, the addition of corticosteroids still varies among clinician preference and clinical judgment.Purpose: The aim of this systematic review was to identify whether the administration of corticosteroids during the MSA surgical procedure affects postoperative symptoms including swelling, pain, and infection rate. Materials and methods:A literature search through PubMed, EMBASE, Ovid MEDLINE, and Web of Science indices, according to PICO criteria, was conducted to identify whether MSA peri-operative use of corticosteroids reduces the incidence of complications and patient morbidity. A single arm meta-analysis was performed due to the lack of randomized controlled trials (RCTs) comparing groups treated with or without peri-operative corticosteroids. The intracluster correlation co-efficient (ICC) and design effect were calculated to adjust for the clustering design. Results:In the 37 studies included, a total of 1599 patients (378 Cort, 1221 No-Cort) were analyzed. Before and after taking account of clustering, there was statistically significant effect of corticosteroids on swelling, pain, wound dehiscence, trismus, and hematoma. The complication rates postoperatively were comparable between the two study groups, however slight differences existed in the incidence of active suppuration (1.7% [95% CI 0.7-3.9] Cort vs. 3.2% [2.2-4.5] No-Cort), wound dehiscence (3.9% [1.3-11.2] Cort vs. 2.1% [1.0-4.1] No-Cort) and trismus (2.7% [0.8-8.4] Cort vs. 1.4% [0.8-2.5] No-Cort).Conclusions: Although the event rate of the 1-to-2-week postoperative complications did not differ between the two groups, the lack of conclusive data and research
Background The lateral maxillary sinus augmentation (MSA) procedure has good predictability in terms of the success of bone regeneration with a low incidence of postoperative infections, estimated between 2% and 5.6%. Although the use of antibiotics is an established and standardized prophylactic measure for MSA procedures, the addition of corticosteroids still varies among clinician preference and clinical judgment. Purpose The aim of this systematic review was to identify whether the administration of corticosteroids during the MSA surgical procedure affects postoperative symptoms including swelling, pain, and infection rate. Materials and methods A literature search through PubMed, EMBASE, Ovid MEDLINE, and Web of Science indices, according to PICO criteria, was conducted to identify whether MSA peri‐operative use of corticosteroids reduces the incidence of complications and patient morbidity. A single arm meta‐analysis was performed due to the lack of randomized controlled trials (RCTs) comparing groups treated with or without peri‐operative corticosteroids. The intracluster correlation co‐efficient (ICC) and design effect were calculated to adjust for the clustering design. Results In the 37 studies included, a total of 1599 patients (378 Cort, 1221 No‐Cort) were analyzed. Before and after taking account of clustering, there was statistically significant effect of corticosteroids on swelling, pain, wound dehiscence, trismus, and hematoma. The complication rates postoperatively were comparable between the two study groups, however slight differences existed in the incidence of active suppuration (1.7% [95% CI 0.7–3.9] Cort vs. 3.2% [2.2–4.5] No‐Cort), wound dehiscence (3.9% [1.3–11.2] Cort vs. 2.1% [1.0–4.1] No‐Cort) and trismus (2.7% [0.8–8.4] Cort vs. 1.4% [0.8–2.5] No‐Cort). Conclusions Although the event rate of the 1‐to‐2‐week postoperative complications did not differ between the two groups, the lack of conclusive data and research comparing peri‐operative corticosteroid use makes it impossible to draw definitive conclusions and more evidence and studies designed for this specific purpose are needed.
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