About this trial
Background: Dental implant therapy in the posterior maxilla may be difficult owing to limited bone height after dental extraction with sinus pneumatization. Several approaches for sinus floor elevation have been documented, and hence trans crestal sinus lifting with albumin platelet rich plasma.
Aim of the study: To compare between erythropoietin and albumin platelet rich fibrin transcrestal sinus lifting versus albumin platelet rich fibrin transcrestal sinus lifting using piezoelectric device in patients with atrophic maxilla.
Methods: This study will be carried out as a randomized
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Residual bone height not less than 5 mm measured from crestal bone to sinus floor.
Both genders.
Good oral hygiene
No previous surgery or radiation treatment on the maxillary sinus
Disqualifiers
Recent radiation therapy in maxilla.
Uncontrolled systemic diseases such as diabetes mellitus.
Heavy smoker (those who smoke ≥ 25 cigarettes a day).
Alcohol abuse.
Trial design
Parallel
Treatments tested in this trial
Erythropoietin and albumin PRF gel + implant placement
Other interventionThis group will be treated by transcrestal sinus lifting with erythropoietin and albumin PRF gel with simultaneous implant placement.
Albumin PRF gel +implant placement
Other interventionThis group (the Control group) will be treated with transcrestal sinus lifting using albumin PRF gel, with simultaneous implant placement.
Treatment groups
Trial outcomes
Primary outcomes
Change in pain scores
pain will be assessed through a 10 point visual analogue scale (VAS). (0-1=none, 2-4=mild, 5-7=moderate, 8-10=severe).
Change in edema
Edema will be assessed as follows: 1. None (no swelling) 2. Mild (intraoral swelling confined to the surgical field) 3. Moderate (extra oral swelling in the surgical zone) 4. Severe (extraoral swelling spreading beyond the surgical zone)
Change in implant stability
implant stability will be assessed using ostell device
Secondary outcomes
Change in bone gain
amount of sinus bone gain (SBG) which equals implant protrusion length (IPL) added to Peri-implant sinus bone level (PSBL) which is the distance between the apex of the implant and sinus bone level
Change in bone density
it will be assessed using CBCT
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