# Dental Implant Clinical Guide (Alfa Gate): Selection, Compatibility & Clinical Use
This clinical guide helps dentists select the appropriate Alfa Gate implant system based on surgical scenario, bone condition, prosthetic plan, and platform compatibility.
This page is designed to provide structured clinical logic for:
Immediate placement
Soft bone (D3–D4)
Full arch restorations
Platform selection
Prosthetic compatibility
Primary goal: achieve apical stability while preserving crestal bone.
Clinical considerations:
intact socket walls preferred
atraumatic extraction required
stability obtained beyond apex
Recommended strategy:
tapered implant geometry
controlled drilling protocol
gap management when needed
Primary goal: predictable osseointegration and prosthetic alignment.
Clinical considerations:
ridge width and height adequate
standard drilling sequence possible
Recommended strategy:
platform selected based on restoration type
emergence profile planning
Primary goal: maximize primary stability.
Common indication:
posterior maxilla
Recommended strategy:
under-preparation according to density
bone condensation where appropriate
avoid excessive torque that risks necrosis
Primary goal: prosthetic passivity and long-term stability.
Clinical considerations:
implant positioning based on MUA correction
platform consistency for multi-unit workflow
Recommended strategy:
screw-retained restoration planning
maintenance protocol from day one
Understanding implant platform is essential to avoid prosthetic mismatch.
2.5 mm hex
11° conical connection
2.23 mm hex
22° conical connection
Used in:
M+ NP
SCA Ø3.5
2.65 mm hex
22° conical connection
Used in:
M+ RP
SCA Ø4.3 / Ø5.0
2.0 mm internal hex
not compatible with several narrow systems
Due to geometric differences, Alfa Gate narrow connections should not be matched with:
Straumann Bone Level NC
Dentium NR
AlphaBio Narrow
MIS Narrow
Zimmer Internal Hex note:
Zimmer internal hex is 2.42 mm and differs from Alfa Gate geometry.
Before selecting any prosthetic component, confirm:
Implant system
Platform (NP / RP / RC / S-Line)
Workflow (digital / analog)
Restoration type
Impression type (open / closed tray)
BioActive SCI implants use CALCIUM PHOSPHATE surface coating by ALFA GATE HOLDING GmbH.
This electrochemical process applies a thin, resorbable calcium phosphate layer to the implant surface.
Clinical purpose:
support early biological response
enhance bone interaction during healing phase
| Scenario | Primary Goal | Strategy |
|---|---|---|
| Immediate placement | Stability | Apical anchorage |
| Soft bone | Stability | Under-preparation |
| Healed ridge | Predictability | Standard protocol |
| Full arch | Prosthetic stability | MUA workflow |
Before implant placement:
assess bone density
define restoration plan
select platform
confirm prosthetic compatibility
determine loading strategy
Implant selection depends on surgical judgment, patient anatomy, and prosthetic planning.
This guide provides structured decision support and does not replace clinician expertise.
# 8. Clinical FAQ (Fast Answers)
Q1) Are Alfa Gate implants compatible across platforms?
No. Components must match the implant platform exactly (NP / RP / RC / S-Line). Do not assume interchangeability.
Q2) What is the difference between NP and RP?
NP and RP differ by internal connection geometry and are used with different implant diameters / component families. Always match platform before ordering.
Q3) What is BioActive SCI?
BioActive SCI refers to Alfa Gate implants using a bioactive calcium phosphate coating approach .
Q4) What’s the biggest reason for ordering the wrong prosthetic part?
Not confirming platform + workflow (digital/analog) + impression type (open/closed tray) before selecting the part.
Q5) Does this guide replace clinical judgment?
No. It provides structured decision support; the clinician determines the final protocol based on anatomy, stability, and risk factors.