Edentulous Alveolar Ridge Clinical Trial
Official title:
Crestal Versus Lateral Sinus Lift: One-year Results From a Within-patient Randomised Controlled Trial
The aim of this randomised controlled trial (RCT) of split-mouth design was to compare patient preference and effectiveness of two different techniques for lifting the maxillary sinus: the crestal approach versus the lateral window approach.
Each patient having bilateral edentulism in posterior maxillae was randomised to receive one
partial fixed prosthesis supported by one to three implants placed either with a crestal or
with lateral window sinus lift procedure.
Eligibility criteria for participants
Only healed implant sites were considered (at least 3 months after tooth extraction). The
vertical bone height at the implant sites to be included had to be between 2 to 6 mm and bone
thickness at least 6 mm as measured on cone-bean computed tomography (CBCT) scans.
Patients were not admitted in the study if any of the following exclusion criteria was
present:
general contraindications to implant surgery subjected to irradiation in the head and neck
area immunosuppressed or immunocompromised treated or under treatment with intravenous
amino-bisphosphonates poor oral hygiene and motivation untreated periodontal disease
uncontrolled diabetes pregnant or lactating substance abusers psychiatric problems
unrealistic expectations lack of opposite occluding dentition/prosthesis in the area intended
for implant placement acute or chronic infection/inflammation in the area intended for sinus
augmentation/implant placement referred only for implant placement who cannot be
rehabilitated and followed at the treatment centre unable to attend a 5-year post-loading
follow-up. Smokers were included and patients were categorised into three groups according to
what declare: i) non-smokers; ìì) moderate smokers, if smoking up to 10 cigarettes/day; iii)
heavy smokers if smoking more than 10 cigarettes/day.
Patients were recruited and treated in one private practice in Tirana, Albania by two
operators: Marco Tallarico who performed all surgical interventions and Erta Xhanari who
performed all prosthetic and maintenance procedures.
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