Efeito da reposição de vitamina D nas condições clínicas e radiográficas de reabilitações bucais com implantes osseointegrados

Abstract

Objectives: D Vitamin (DV) plays an important role in the development and maintenance of bone tissue. At normal serum levels, has a positive effect on bone density and volume, contact surface area between the implant and bone, trabecular number and trabecular thickness average: enhancing osseointegration in animals. In face of this evidences has been established the objective of this study; check if the insufficient serum levels of VD influence the clinical and radiographic evolution of periimplant patients with implant supported prostheses. Methods and materials: 74 patiens with implant supported prostheses of the Dental Clinical Institute of UNIOESTE were examined. The participants received the following evaluations: 1º-periimplant clinical exams (recordings of depth and bleeding on probing (PS and mBI); width of keratinized mucosa (lmq); periimplant plaque scores (mPII); 2º-measurement in the radiographic image from implant platform to mesial and distal bone crests; and quantify the number of trabecular pixels to evaluate bone density; and 3º of DV serum levels. Patients with serum levels under 30ng/ml are receiving DV suplementation of 50000 IU per week during 8 weeks. Then, new clinical and radiographic evaluation in the control and DV groups were done. Clinical and radiographic intergroups results were compared in the baseline period; and also the intergroups and intra groups results of the baseline and PT periods. Results: The score results of PS, mBI, lmq, mPII and bone density did not showed significant statistical difference among the groups. However there were differences on the probing depth (p=0.0247) and in bone-implant crest (p<0.0001) measurements among the groups. The average dosage DV group was 24.95 ± 0.96, corresponding to 42.42% of patients, while 57.57% of the sample had a mean value of DV dosage 40.99 ± 1.23, demonstrating statistical difference (p = 0.0034). Conclusion: The results of this study show that serum levels of DV do not seem to influence the clinical and radiographic aspects of periimplant health.