The main aim of the present study is to investigate implant success rate after 5 years of function of immediate (Test group; within 7 days of implant placement) versus delayed (Control group; 8 weeks after implant placement) loading of two-pieces zirconia implant, placed in pristine bone without bone regeneration. Implant success rate will be defined according to Buser's criteria. Secondary endpoints: Marginal bone level (MBL) evaluation by means of standardized radiographs; Clinical evaluation of biological (e.g. Plaque Index, PI; Probing Pocket Depth, PPD, Bleeding on Probing, BOP; suppuration upon probing/palpation) and prosthetic/technical complications; Clinical evaluation of soft tissue width, keratinized tissue, marginal and interproximal soft tissue recession; Patient reported outcome measures (PROMs) by questionnaire administration:
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
SINGLE
Enrollment
220
(Test group; within 7 days of implant placement) versus delayed (Control group; 8 weeks after implant placement)
San Paolo Hospital
Milan, Italy
RECRUITINGImplant success rate according to Buser's criteria
presence of subjective complaints related to the area of treatment; recurrent infections in the peri-implant region accompanied by suppuration; mobility of the implant fixture
Time frame: 5 years
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