Sinus lift surgery, also known as sinus augmentation, is an important procedure for patients who want dental implants but do not have enough bone in the upper jaw. This oral surgery intervention provides a safe solution for improving both oral health and aesthetic appearance.
In this article, you’ll discover what sinus lift surgery involves and the key recommendations for an effective recovery with minimal risk of complications.
Summary:
- Sinus lift surgery elevates the sinus membrane and adds bone to allow the placement of dental implants in the upper jaw.
- There are two types of procedures, internal and external, chosen based on the amount of bone needed and the patient’s anatomical characteristics.
- Recovery depends on following medical recommendations, maintaining proper hygiene, and avoiding risk factors to reduce complications.
What does a sinus lift procedure mean?
Sinus lift surgery is a procedure designed to elevate the sinus membrane and add bone in the upper maxillary sinus area. It is performed when the upper jaw does not have enough bone height to support the placement of a dental implant.
The maxillary sinus is an air-filled cavity located beside the nose and beneath the eye area. Its interior is lined with a thin membrane, which is gently lifted during the procedure to create space for the added bone.
This technique becomes necessary especially when:
- there is insufficient bone due to bone resorption after tooth extractions or periodontal disease
- the anatomy of the maxillary sinus does not allow direct implant placement because the cavity is too close to the dental arch
Through this intervention, the jaw gains the necessary support for dental implants, enabling both functional and aesthetic restoration of the teeth.
➢ Bone grafting is often associated with sinus lift surgery and represents an important step in ensuring the long-term stability of dental implants.
Types of sinus lift – external and internal
There are two main types of procedures: internal sinus lift and external sinus lift. The choice between them depends on the amount of bone required and the patient’s anatomical characteristics.
Internal sinus lift
The internal sinus lift is a minimally invasive procedure. Access to the sinus is made through the site where the dental implant will be placed. A small opening is created in the maxillary bone, and the sinus membrane is gently lifted to create space for the bone graft.
This method is recommended when only a small increase in bone volume is needed. Its main advantage is a shorter recovery time.
External sinus lift
The external sinus lift is performed through a lateral approach. An incision is made in the gum above the upper molars or premolars to create a small bony window into the sinus. The sinus membrane is carefully elevated, and the space created is filled with bone graft material.
This procedure is recommended when a significant increase in bone volume is needed. Although it is more invasive and requires a longer recovery period, it allows for the addition of a larger amount of bone.
What does a sinus lift procedure involve and how long does it take?
ChatGPT said:
Sinus lift surgery is a dental surgical procedure performed under local anesthesia, designed to prepare the upper jaw area for the placement of dental implants.
The procedure begins by creating access to the maxillary sinus using one of the available techniques (internal or external). The sinus membrane is then carefully elevated, and the resulting space is filled with bone graft material. This graft may be taken from the patient (autologous bone), sourced from a donor, or made from synthetic materials.
Duration of the procedure
The time required for a sinus lift varies depending on the case’s complexity:
- internal sinus lift – approximately 30–45 minutes
- external sinus lift – between 60 and 90 minutes
- in more complex cases or when the procedure is performed on both sides, the duration may be longer
After the procedure
At the end of the surgery, the area is sutured and the patient receives detailed instructions for the recovery period. Following these recommendations is essential for optimal healing and for reducing the risk of complications.
Recovery after bone grafting and sinus lift
Recovery after bone grafting and sinus lift is an essential step in ensuring the success of the procedure. Healing depends largely on following the instructions provided by the dentist.
Dietary recommendations
Diet plays an important role in the healing process. Soft foods such as soups, purées, cooked vegetables, or soft fruits are recommended. Hydration is essential: drink 6–8 glasses of water in the first 24 hours, taking small sips. Avoid using a straw, as the suction can disturb the blood clot that has formed.
Oral hygiene
Proper oral hygiene supports faster recovery. Brushing can be resumed on the second day after the procedure, using a soft-bristled toothbrush. Movements should be gentle to avoid disturbing the sutures.
Like any surgical procedure, sinus lift surgery can be associated with certain complications. It’s important to know what to expect and to distinguish normal reactions from those that require medical attention. For example, light bleeding or slightly pink saliva are normal in the first few days after the procedure.
However, you should contact your dentist if you experience:
• fluid leakage through the nose or mouth
• significant swelling of the cheek or under the eye
• persistent nasal congestion
• the presence of bone graft particles in the nasal cavity
Other possible complications include perforation of the sinus membrane, infection, sinusitis, or graft failure. In some rare cases, the graft material may shift, and an additional procedure may be required.
Therefore, following postoperative recommendations is essential to reduce these risks. Avoid smoking, maintain thorough oral hygiene, and attend all scheduled follow-up appointments to ensure safe and effective healing.
In conclusion, sinus lift surgery is a safe and commonly used procedure to prepare the necessary foundation for dental implants. With proper planning, correct surgical execution, and adherence to postoperative instructions, this intervention can provide the stable support needed for long-lasting, functional dental restoration.
Disclaimer: This material is for informational purposes only and does not replace professional consultation. For personalized recommendations, please consult your dentist.
References:
https://www.cuh.nhs.uk/patient-information/sinus-lift-procedures/
https://www.legacydentaltx.com/blog/2022/11/9/what-is-a-sinus-lift-and-when-do-you-need-one/
https://www.bupa.co.uk/dental/dental-care/treatments/dental-implants/supporting-treatments/sinus-lifts
https://www.colgate.com/en-us/oral-health/implants/sinus-lift


