Radiologic comparative analysis between saline and platelet‐rich fibrin filling after hydraulic transcrestal sinus lifting without adjunctive bone graft: A randomized controlled trial

Abstract

Objectives To evaluate implant survival rate, any complications, and changes in residual alveolar bone height (RABH) using saline or platelet‐rich fibrin (PRF) filling after hydraulic transcrestal sinus lifting. Methods Dental implants were placed after hydraulic transcrestal sinus lifting and the filling of saline (20 patients) or PRF (20 patients). Outcome measurements were implant survival, any complications, and RABH changes. Cone‐beam computed tomography (CBCT) scans were taken and compared preoperatively (T0), immediately postoperatively (T1), at 3 months (T2), 6 months (T3), and 12 months postoperatively (T4), respectively. Results In a total of 40 patients, 45 implants with a mean length of 10.4 ± 0.8 mm were placed in posterior maxilla of a mean RABH of 6.8 ± 1.1 mm. The increase in RABH peaked at T1, and continuous drooping of the sinus membrane was observed but stabilized at T3. Meanwhile, the gradual increase in the radiopacities was found below the lifted sinus membrane. The PRF filling induced the radiographic intrasinus bone gain of 2.6 ± 1.1 mm, which was significantly more than 1.7 ± 1.0 mm of saline filling at T4 (p < .05). All the implants were in function with no significant complications over the one‐year follow‐up period. Conclusions In this randomized case–control study, the feasibility of hydraulic transcrestal sinus lifting without bone graft was confirmed and PRF might be a better filler to support the elevated sinus membrane. However, adjunctive bone grafting should still be indicated for cases requiring more than 2–3 mm of intrasinus bone gain.

Bone Regeneration Assessment of Polycaprolactone Membrane on Critical-Size Defects in Rat Calvaria

“…Current implant systems are increasingly using methods for reconstruction of the alveolar process to allow optimal positioning of implants for esthetic and functional purposes [1][2][3][4][5][6].…”

Sinus Lift Associated with Leucocyte-Platelet-Rich Fibrin (Second Generation) for Bone Gain: A Systematic Review

“…Within the 15 studies selected for inclusion in this review, five were controlled clinical trials [ 18 , 19 , 20 , 21 ], six were randomized clinical trials [ 22 , 23 , 24 , 25 , 26 , 27 , 28 ], two retrospective clinical trials [ 13 , 29 ], one clinical-histologic study [ 28 ], and one case report [ 30 ]. These articles were published between January 2006 and August 2020.…”

Coating of a Sand-Blasted and Acid-Etched Implant Surface with a pH-Buffering Agent after Vacuum-UV Photofunctionalization

“…Implant fixtures of commercially pure titanium (grade IV) were prepared as SA, SA + VUV (TS III SA, Osstem, Seoul, Korea), and SA + VUV + BS (TS III SOI, Osstem) for use in this study. As shown in Figure 1a,b, the surface roughness of the implant fixtures were measured to be 2.5 ± 0.5 µm of R a value [15], and VUV treatment for photofunctionalization was achieved by exposing an implant fixture to low-pressure mercury-arc lamps emitting UV-C and VUV in UV ozone cleaner for 1 h. Coating the implant surface with a pH-buffering agent, comprising both of positively and negatively charged ionic groups, with 7.31 of pKa value at 37 • C [15,16], was supplemented for better superhydrophilicity (Figure 1c).…”

“…In our previous study, a novel SA surface coated with a pH-buffering agent after vacuum-UV (VUV) treatment was introduced [15,16]. This surface was closely associated with greater affinity for proteins, cells, and platelets, which promoted rapid and stable blood clotting, thrombogenesis, and osseointegration.…”