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This randomized split-mouth preliminary clinical trial aimed to evaluate periodontal parameters and gingival blood flowmetry, comparing sites that received subepithelial connective tissue graft from the palate after deepithelialization (DE) or obtained with parallel incision (PI). Periodontal parameters were evaluated at baseline and 6 months postoperative. Gingival blood flows were analyzed by laser Doppler flowmetry (LDF) at baseline and 2, 7, and 14 days postoperative. Statistical and LDF analyses were performed with R version 3.5.1 and MATLAB software, and clinical parameters through ANOVA and Wilcoxon signed-rank tests. LDF showed superior decrease in power spectral density (PSD) for DE after 2 days. After 7 days, PSD returned to initial values only for PI, and DE had not returned to the initial values by day 14. Despite major initial revascularization challenges for DE sites, both grafts promoted satisfactory root coverage in the treatment of multiple gingival recessions.This study aimed to evaluate facial peri-implant tissue dimensions for implants connected to either convex or concave final abutments. Patients (n = 28) were randomly allocated to receive a single implant with an abutment of either convex (Group CX) or concave (Group CV) emergence shape. Twelve months after implant placement, CBCT scans were taken and reference points were identified first visible bone-to-implant contact, implant shoulder (IS), bone crest (BC), and marginal mucosal level (MML). Mucosal thickness was evaluated at the level of IS (MT1), above the level of BC (MT2), and at the mid-distance of BC-MML (MT3). The mean total vertical peri-implant mucosa height was 3.26 ± 0.77 mm for Group CX and 3.70 ± 0.99 mm for Group CV (P = .23). The mean vertical peri-implant mucosa height below the bone crest was 0.62 ± 0.57 mm for Group CX and 1.26 ± 0.95 mm for Group CV (P = .04). Group CV had greater mean MT2 (4.09 ± 0.72 mm vs 3.36 ± 0.81 mm; P = .02) and MT3 (2.81 ± 0.66 mm vs 2.03 ± 0.60 mm; P = .005) compared to Group CX. Abutment macrodesign may have an effect on vertical and horizontal peri-implant tissue dimensions.The efficacy of the socket preservation procedure using deproteinized bovine bone mineral, bioabsorbable collagen membrane, and collagen sponge on molar extraction sites with severe periodontitis was assessed at 6 postoperative months, before implant placement. Results revealed excellent soft tissue healing without loss of keratinized tissue and no statistically significant differences in socket marginal bone changes in 20 molar extraction sockets. High levels of primary implant stability were recorded. Socket preservation using a minimally invasive surgical technique provides good soft and hard tissue healing as well as anticipated stability of implant placement at sites of extracted molars with severe periodontitis.This study aimed to rehabilitate shortened maxillary dental arch with splinted crowns by connecting ultra-short implants with longer ones. In the posterior maxilla of 11 patients, one 10-mm (n = 11) and one or two ultra-short 4-mm (n = 17) dental implants were inserted. The insertion torque was lower than 20 Ncm in 55% of the 10-mm implants and in 94% of the 4-mm implants (P &gt; .05). Median (range) implant stability quotients at the time of insertion and after 6 months were 61 (14 to 72) and 68 (51 to 79), respectively, for 4-mm implants, and 66 (52 to 78) and 78 (60 to 83), respectively, for 10-mm implants (P .05). Splinted crowns combining 4- and 10-mm implants may contribute to a better force distribution in the treatment with ultra-short implant-supported prosthesis in the posterior maxilla.The aim of the present case series was to evaluate the outcomes of the modified coronally advanced tunnel technique (MCAT) using the width of keratinized tissue (KTW) as an indicator to apply the connective tissue graft (CTG) specifically. Seven patients requiring treatment for the presence of multiple gingival RT1 recession defects in the maxilla were enrolled in the study. A total of 36 recessions were treated with MCAT, and the CTG was applied in 16 sites presenting less then 2 mm of KTW at baseline. The mean root coverage from baseline to 1 year postsurgery was 90% for the sites treated with MCAT alone and 93.7% for those treated with MCAT+CTG. The increase of KTW was higher in the sites treated with CTG than in the sites treated without it. Within the limitations of the present case series, it can be concluded that the proposed surgical technique is extremely effective in gaining root coverage and reducing the amount of connective tissue harvested from the donor site.This study aimed to assess how frequently the maxilla anatomy allows for lingualized immediate implants in the central incisor region with a screw channel that has an ideal distance of 1.5 mm from the incisal margin. The effect of abutments with angle correction on case selection will also be verified. A retrospective cross-sectional study of 181 CBCT scans was carried out. Using an implant-planning software, implant placement was simulated in the lingual aspect of the socket. The location of the prospective screw channel was registered as incisal, lingual, or facial. The angle between the actual screw channel and the position of the ideal one was calculated. The effect of angle correction on allowing an ideal screw channel configuration was computed. Out of 161 eligible cases, 144 presented favorable anatomy for an immediate implant. The screw channel had an incisal position in 40 cases (28%), a lingual position in 60 cases (42%), and a facial position in 44 cases (30%). The screw channel could be placed at the planned distance from the incisal edge in 35 cases (24%). The position was unfavorable in the remaining 109 cases. In 103 of these cases, an abutment with an angled screw channel could make the conditions feasible. Within the simulated conditions, a majority of maxillary central incisors present favorable ridge anatomy for lingualized immediate implant placement. Achieving a proper location of the screw channel requires abutments with angle correction in a majority of cases.Immediate implant placement in molar sites has the potential to improve the patient experience by reducing the number of appointments and the overall treatment time. However, primary closure remains a technical challenge. The present prospective case series evaluated the soft tissue contours and the radiographic bone levels of 17 patients who received immediate implants in molar sites and a digitally customized CAD/CAM sealing socket abutment. At the 2-year follow-up, the mean buccal tissue contours at the most coronal portion were reduced horizontally by an average of 1 mm at 1, 2, 3, and 4 mm below the gingival margin. A mean 0.53-mm apical migration of the gingival margin was seen, and the mean interproximal bone level at the 2-year follow-up was 0.89 mm. The use of CAD/CAM-generated customized healing abutments in immediate molar sites yielded minimal hard and soft tissue changes at the 2-year follow-up.This randomized controlled clinical trial with a 1-year follow-up evaluated gingival thickness changes around teeth after use of dermal allograft and xenograft matrix. A total of 116 teeth (19 patients) were separated into two groups. One group received xenogeneic collagen matrix (n = 48), while the other received allogeneic acellular dermal matrix (n = 68) via a coronally advanced flap (CAF). Gingival thickness (GT), keratinized gingival width (KGW), pocket depth (PD), and clinical attachment loss (CAL) were measured on the day of surgery (baseline) and at 3 weeks, 2 months, 6 months, and 1 year postoperative. The two groups were compared using repeated-measures ANOVA (P .05). The GT increased in all cases treated with allogeneic and xenogeneic enriched collagen matrix. Both soft tissue substitutes were equally effective in acheiving optimal GT.A postextraction socket is always open to different treatment possibilities. A straightforward clinical classification may help evaluate which surgical approach is best suited for the case being treated. Four different classes are defined on the basis of the local anatomy of the site, available bone volume, and soft tissue level. For every clinical situation, either immediate placement, early placement, alveolar ridge preservation, or staged approach can be selected as a treatment modality according to the classifications listed.This study evaluated the accuracy of implant placement with surgical-template guidance both in vitro and in vivo. Virtual surgical planning was performed based on the data from CBCT scans and an intraoral scanner. Surgical templates were designed according to the planned implants and manufactured with stereolithography. In vitro, 60 implants were placed in 15 resin models. In vivo, 74 implants were placed in 54 patients. The implants were scanned with CBCT postoperatively. Implant accuracy was evaluated by measuring the following parameters central deviation at the apex and shoulder, horizontal deviation at the apex and shoulder, vertical deviation at the apex and shoulder, and angular deviation. There were statistically significant in vitro and in vivo deviations for all parameters, and the implant deviations in vivo were significantly greater than those in vitro. When using a mucosa-supported template, horizontal deviations at the apex were significantly greater than when a teeth-supported template was used. Within the limitation of the study design, inaccuracy existed in implant placement guided with a surgical template. More studies are needed to investigate the value of the procedure in future.One of the chronic problems with traditional cement or screw retention of crowns to implants is the development of biologic and technical complications, including soft tissue complications, bone loss, screw loosening, loss of retention, and veneering material fractures. The purpose of this case series report is to document preliminary results, specifically crown retention, using a friction-fit connection of crown to abutment. A sample composed of patients who had one or more implants restored between July 1, 2019, and October 30, 2019, were enrolled in this retrospective case-control series. [https://www.selleckchem.com/products/gsk503.html buy GSK503] Each patient had their crown connected to the implant abutment using a friction-fit system. Patients were seen for routine follow-up for documentation of crown retention, and 24 crowns were followed. After 6 months of follow-up, 100% of the crowns retained retention and did not become loose under normal masticatory function. The use of a friction-fit connection provided excellent retention of the crown to the abutment over the 6-month follow-up period.The present clinical and histologic case reports describe the periodontal plastic approaches used for the correction of gingival deformities following free gingival grafting (FGG) procedures. Five patients with poor esthetic and functional outcomes following soft tissue grafting voluntarily requested corrective treatment due to differences in color, texture, thickness, and mucogingival junction (MGJ) alignment between grafted and adjacent tissue, or because of food retention apical to the grafted site. Plastic surgical approaches included eliminating the thick borders the graft, aligning the MGJ, and reducing the excessive apicocoronal dimension of the graft. Histologic images confirmed the morphologic differences between the graft and adjacent alveolar mucosa. After intervention, all treated sites achieved a satisfactory esthetic appearance and function, with a soft tissue anatomy indistinguishable from those of adjacent sites. All patients agreed that their goals for the treatment were completely fulfilled.