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The original graftless full-arch solution on four implants
The All-on-4® treatment concept is a cost-efficient, graftless solution that provides patients with a fixed full-arch prosthesis on the day of surgery.*,1,2
Nobel Biocare offers an extensive implant range for graftless treatment – from standard to challenging cases.
![All on 4 treatment concept](/sites/g/files/wdvifx201/files/styles/optimized/public/ao4-25--hotspots.png.webp?itok=ezDOePYs)
Full-arch rehabilitation with only four implants
Two straight anterior implants and two posterior implants tilting up to 45° and avoiding the anatomical structures.
Provide your patients with provisional teeth in a day*,1,2
Immediate Function for patients meeting criteria for immediate loading of implants.
One surgery
Graftless procedure for shorter treatment time and reduced costs, compared to conventional full arch treatments.5
Supporting bone and soft tissue health
Studies show stable marginal bone levels and healthy soft tissue both for tilted and axial implants.6,7
Implant choices
Nobel Biocare offers the widest range of implants available for graftless treatment of edentulous and soon-to-be edentulous patients.
95% of patients are satisfied with their new teeth8
Over 250,000 patients treated9
Excellent mean implant survival of 98% with a mean follow-up to 7.5 years9
“The high implant and prosthetic survival rates of the All-on-4® treatment concept make it a safe and predictable surgical protocol from both the clinician's and the patient's point of view. Clinicians should adopt this treatment concept in their daily practice to avoid demanding and time-consuming additional surgeries.“
![All-on-4® Center of Excellence](/sites/g/files/wdvifx201/files/styles/hero_mobile_x1_320_x_375/public/ao4-coe-w-logo2-2880x1300-hero.jpeg.webp?itok=Ezbo1M2y)
All-on-4® Centers of Excellence
This program will help patients find highly experienced doctors in their area who are utilizing the All-on-4® treatment concept.
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Rehabilitation of a young patient with a severely degraded dentition
Clinician: Dr. Ana Ferro
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All-on-4® treatment concept
Clinician: Dr. Enrico Agliardi
Learn from the experts
Watch this online course "The All-on-4® treatment concept" at your convenience. Created to help you implement this concept in your practice, this introductory course is designed for surgeons, restorative dentists, general practitioners and their teams.
Get started with the All-on-4® treatment concept
Is the All-on-4® treatment concept right for your practice? This e-book is intended to assist experienced clinicians make an assessment, with real life cases and expert tips.
Find a course in full-arch rehabilitation
Learn how to provide solutions for treating edentulous and soon-to-be edentulous patients with efficient, graftless options for the maxilla and mandible.
Questions about the All-on-4® treatment concept?
If you would like additional information, more details, or have specific questions about the All-on-4® treatment concept, click the link.
![Science First issue about the All-on-4 treatment concept](/sites/g/files/wdvifx201/files/styles/hero_mobile_x1_320_x_375/public/Hero%20banner%2001.jpg.webp?itok=xjOCOh51)
A new issue of the Science First journal is out.
Transforming lives with the All-on-4® treatment concept
References
See Instructions For Use for full prescribing information, including indications, contraindications, warnings and precautions.
*If patient criteria are met and adequate stability achieved – all our implants can be loaded with a fixed provisional restoration on the day of surgery.
- Weinstein R, Agliardi E, Fabbro MD, et al. Immediate rehabilitation of the extremely atrophic mandible with fixed full-prosthesis supported by four implants. Clin Implant Dent Relat Res 2012;14(3):434-441.
Read on PubMed - Agliardi E, Clericò M, Ciancio P, Massironi D. Immediate loading of full-arch fixed prostheses supported by axial and tilted implants for the treatment of edentulous atrophic mandibles. Quintessence Int 2010;41(4):285-293.
Read on PubMed - Babbush CA. Posttreatment quantification of patient experiences with full-arch implant treatment using a modification of the OHIP-14 questionnaire. J Oral Implantol 2012;38(3):251-260.
Read on PubMed - Maló P, de Araújo Nobre M, Lopes A, et al. The All-on-4 treatment concept for the rehabilitation of the completely edentulous mandible: A longitudinal study with 10 to 18 years of follow-up. Clin Implant Dent Relat Res 2019; doi: 10.1111/cid.127692019
Read on PubMed - Patzelt SB, Bahat O, Reynolds MA, Strub JR. The All-on-Four treatment concept: a systematic review. Clin Implant Dent Relat Res 2014;16(6):836-855.
Read on PubMed - Agliardi EL, Pozzi A, Stappert CF, et al. Immediate fixed rehabilitation of the edentulous maxilla: a prospective clinical and radiological study after 3 years of loading. Clin Implant Dent Relat Res 2014;16(2):292-302.
Read on PubMed - Balshi TJ, Wolfinger GJ, Slauch RW, Balshi SF. A retrospective analysis of 800 Brånemark System implants following the All-on-Four™ protocol. J Prosthodont 2014;23(2):83-88.
Read on PubMed - Babbush CA, Kanawati A, Kotsakis GA, Hinrichs JE. Patient-related and financial outcomes analysis of conventional full-arch rehabilitation versus the All-on-4 concept: a cohort study. Implant Dent 2014;23(2):218-224.
Read on PubMed - Nobel Biocare. Data on File.