Does the serum level of vitamin D affect marginal bone loss around dental implants?

Influence of Serum Vitamin D Levels on Survival Rate and Marginal Bone Loss in Dental Implants: A Systematic Review

“…The four articles selected consisted of one retrospective study of three cohorts [ 29 ], two randomized clinical trials [ 31 , 32 ], and one prospective study of three cohorts [ 33 ]. All were published between 2017 and 2021.…”

“…The RCTs were assessed with the Cochrane bias assessment tool scale. The risk of bias of one of the RCTs was medium [ 32 ], while for the other it was high [ 31 ]. High risk of bias was due to the allocation, concealment, and randomization domain, which was not carried out at all in Garg et al [ 31 ].…”

“…High risk of bias was due to the allocation, concealment, and randomization domain, which was not carried out at all in Garg et al [ 31 ]. At the same time, neither study [ 31 , 32 ] specified whether or not operators and participants were blinded, creating the risk of bias medium ( Table 4 ).…”

“…The studies included a total of 1129 patients, whose age ranged from 20 to 57.3 ± 14.4 years [ 29 , 31 , 32 , 33 ] and comprised 529 women and 568 men, although in one article the sex of the participants was not stated [ 31 ].…”

“…A total of 1984 dental implants were placed in the 1129 patients with follow-up periods ranging from 3 months to 20 years [ 29 , 31 , 32 , 33 ].…”