{"id":885,"date":"2026-07-15T15:21:19","date_gmt":"2026-07-15T13:21:19","guid":{"rendered":"http:\/\/ortoimplant.hr\/?p=885"},"modified":"2026-07-17T09:33:12","modified_gmt":"2026-07-17T07:33:12","slug":"bone-graft-vs-graftless-implants-do-you-really-need-a-sinus-lift","status":"publish","type":"post","link":"https:\/\/ortoimplant.hr\/en\/bone-graft-vs-graftless-implants-do-you-really-need-a-sinus-lift\/","title":{"rendered":"Bone Graft vs Graftless Implants: Do You Really Need a Sinus Lift?"},"content":{"rendered":"<p>If you have been told that implants in your upper back teeth are impossible without a sinus lift, that advice may be correct. It may also be only one of several routes. A sinus lift is a well established, predictable procedure, but it is not the only way to replace missing teeth when the bone is thin. For many patients there are graftless options that skip the graft altogether. Which path suits you depends on how much bone you have, how many teeth are missing, and what you want from the final result.<\/p>\n<h2>Why the upper back jaw so often runs short of bone<\/h2>\n<p>The maxillary sinus is an air space that sits directly above your upper molars and premolars. When a back tooth is lost, two things happen at once. The ridge that held the root begins to shrink, and the sinus tends to expand downward into the space the root used to occupy. Over a few years this can leave only a few millimetres of bone between the top of the ridge and the sinus floor. That thin band is usually too shallow to anchor a standard implant, which is where grafting enters the conversation.<\/p>\n<h2>What a sinus lift actually involves<\/h2>\n<p>A sinus lift, or sinus floor elevation, adds height to that shallow band. The surgeon lifts the thin membrane lining the sinus and places bone graft material underneath it, creating a new floor for the implant to sit in. The graft then needs time to mature into your own bone, commonly four to nine months, before or alongside implant placement.<\/p>\n<p>It works well, and long term survival of implants placed with sinus augmentation is high. The trade off is a second surgical step, added healing time, and a specific complication to plan around: the sinus membrane can tear during the lift. A meta analysis of lateral window procedures reported perforation in roughly one in three cases on average, with individual studies ranging from about 16 to 56 per cent. The reassuring part is that a perforation, when it is repaired properly during surgery, does not appear to reduce implant survival. Survival was 97.1 per cent where the membrane had been perforated and repaired, against 97.7 per cent where it stayed intact, a difference that was not statistically meaningful.<sup>3<\/sup> So the graft is safe in experienced hands. The real questions are whether you need the extra step, the extra months, and the extra healing at all.<\/p>\n<h2>The graftless alternatives<\/h2>\n<p>Graftless implantology aims to reach solid bone that already exists, rather than building new bone first. There are a few distinct strategies, and they suit different situations.<\/p>\n<ul>\n<li><b>Short implants.<\/b> Instead of lifting the sinus to fit a long implant, a shorter implant is placed in the bone that is present. In a meta analysis of randomised trials, short implants at posterior sites showed survival comparable to standard implants placed with sinus augmentation, with slightly less marginal bone loss and surgical time cut by around 30 per cent.<sup>1<\/sup> For a single missing molar with modest bone loss, this is often the simplest answer.<\/li>\n<li><b>Tilted implants and All-on-4 or All-on-6.<\/b> When a whole arch is being restored, implants can be angled to pass in front of the sinus and engage denser bone, avoiding the graft entirely. A retrospective study of the All-on-4 concept reported 100 per cent implant survival over 3.5 years, though the tilted posterior implants did show somewhat greater marginal bone loss than the upright ones, which is worth monitoring over time.<sup>4<\/sup><\/li>\n<li><b>Zygomatic and pterygoid implants.<\/b> For a severely resorbed upper jaw with almost no usable ridge, these longer implants anchor into the cheekbone or the pterygoid region well beyond the sinus. A meta analysis of zygomatic implants across 1,895 fixtures found a 99.31 per cent survival rate, with sinusitis reported in about 4.7 per cent of patients.<sup>2<\/sup> These are demanding techniques that belong in experienced hands, and they can carry teeth in cases once considered inoperable.<\/li>\n<\/ul>\n<h2>So do you really need a sinus lift?<\/h2>\n<p>Sometimes, yes. If you are missing one or two back teeth, have a fair amount of bone, and want the most conventional restoration, a sinus lift can be the cleanest choice. Grafting also rebuilds the ridge itself, which has value in certain aesthetic and structural situations that angled or short implants do not address.<\/p>\n<p>In other cases a graftless route reaches the same endpoint, fixed teeth, with fewer surgical stages and a shorter timeline. The decision turns on measurable factors: residual bone height and width, bone density, how many teeth are involved, the position of the sinus, and your general health and preferences. This is a genuine clinical judgement, not a marketing choice, and it should be made from a three dimensional scan rather than a flat X-ray.<\/p>\n<h2>How we approach it at Ortoimplant<\/h2>\n<p>At Ortoimplant DENTAL SPA in Zagreb we plan every posterior maxillary case from a CBCT scan and guided planning, so the bone is measured before any technique is chosen. Our team, led by dr. Zdenko Trampu\u0161 with three decades in implantology, works across the full range: sinus augmentation when it is the right call, and the graftless options, short, tilted, zygomatic and pterygoid implants, when they let us avoid a graft without compromising the result. Full arch cases can often be restored with fixed teeth in 24 hours, and anxious patients or longer procedures can be managed under analgosedation.<\/p>\n<h2>Frequently asked questions<\/h2>\n<div class=\"faq\">\n<div class=\"qa\" data-nacrt=\"1\">\n<h3>Why do I need a sinus lift?<\/h3>\n<p>Above the roots of the upper back teeth sits the maxillary sinus. When you lose a tooth, the bone in that spot disappears over time and the floor of the sinus drops towards the ridge, leaving too little height for a standard implant to be securely supported. A sinus lift solves exactly that shortage of height: the membrane on the sinus floor is lifted and a bone substitute is placed beneath it, which over time becomes your own bone.<\/p>\n<\/div>\n<div class=\"qa\" data-nacrt=\"1\">\n<h3>Can I have an implant without a bone graft?<\/h3>\n<p>For some patients, yes. If you want fewer stages, a shorter treatment, or grafting is risky for you for some reason, there are approaches that bypass the sinus lift: short implants, pterygoid implants and, in pronounced atrophy, zygomatic implants. The idea behind all of them is the same: instead of building new bone where there is none, the implant is anchored in the bone that has stayed solid.<\/p>\n<\/div>\n<div class=\"qa\" data-nacrt=\"1\">\n<h3>How successful is a sinus lift?<\/h3>\n<p>For moderate and localised bone shortage it is a predictable procedure with very good long-term results. The extensive systematic review by Pjetursson and colleagues reported implant survival of up to 98.3 percent after three years, with rough implant surfaces and the lateral window covered by a membrane. The most common complications, such as perforation of the membrane or temporary swelling, are rare in experienced hands and usually easy to resolve.<\/p>\n<\/div>\n<div class=\"qa\" data-nacrt=\"1\">\n<h3>How long do you wait after a sinus lift before the implant?<\/h3>\n<p>Grafting is followed by a healing period before the bone can carry load. How long that takes depends on the extent of the bone shortage and on whether the graft was placed through the implant site alone or through a lateral window in the bone, so the timeline is set individually after the CBCT scan.<\/p>\n<\/div>\n<div class=\"qa\" data-nacrt=\"1\">\n<h3>How much does a sinus lift cost?<\/h3>\n<p>The price depends on the extent of the procedure and the approach, because with a moderate shortage of bone the work is done through the implant site, and with a larger one through a lateral window in the bone. The exact figure for your case can only be given after an examination and a CBCT scan. The first examination is free.<\/p>\n<\/div>\n<\/div>\n<div class=\"sources\">\n<h2>Sources and references<\/h2>\n<ol>\n<li>Toledano M, Fern\u00e1ndez-Romero E, Vallecillo C, Toledano R, Osorio MT, Vallecillo-Rivas M. Short versus standard implants at sinus augmented sites: a systematic review and meta-analysis. <i>Clinical Oral Investigations<\/i>. 2022;26(11):6681-6698. doi:10.1007\/s00784-022-04628-1. Available at: <a href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC9643210\/\">https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC9643210\/<\/a><\/li>\n<li>Guti\u00e9rrez Mu\u00f1oz D, Obrador Aldover C, Zubizarreta-Macho \u00c1, et al. Survival Rate and Prosthetic and Sinus Complications of Zygomatic Dental Implants for the Rehabilitation of the Atrophic Edentulous Maxilla: A Systematic Review and Meta-Analysis. <i>Biology (Basel)<\/i>. 2021;10(7):601. doi:10.3390\/biology10070601. Available at: <a href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC8301194\/\">https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC8301194\/<\/a><\/li>\n<li>Schiavo-Di Flaviano V, Egido-Moreno S, Gonz\u00e1lez-Navarro B, Velasco-Ortega E, L\u00f3pez-L\u00f3pez J, Monsalve-Guil L. Influence of Schneiderian Membrane Perforation on Implant Survival Rate: Systematic Review and Meta-Analysis. <i>Journal of Clinical Medicine<\/i>. 2024;13(13):3751. doi:10.3390\/jcm13133751. Available at: <a href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC11242322\/\">https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC11242322\/<\/a><\/li>\n<li>Szab\u00f3 \u00c1L, Nagy \u00c1L, L\u00e1szl\u00f3fy C, et al. Distally Tilted Implants According to the All-on-Four\u00ae Treatment Concept for the Rehabilitation of Complete Edentulism: A 3.5-Year Retrospective Radiographic Study of Clinical Outcomes and Marginal Bone Level Changes. <i>Dentistry Journal (Basel)<\/i>. 2022;10(5):82. doi:10.3390\/dj10050082. Available at: <a href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC9140184\/\">https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC9140184\/<\/a><\/li>\n<\/ol>\n<div class=\"disc\">The figures cited are averages from peer reviewed literature and are not a guarantee of outcome for an individual patient. This text is general information and does not replace a clinical examination.<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>If you have been told that implants in your upper back teeth are impossible without a sinus lift, that advice may be correct. It may also be only one of several routes. A sinus lift is a well established, predictable procedure, but it is not the only way to replace missing teeth when the bone is thin. For many patients there are graftless options that skip the graft altogether. Which path suits you depends on how much bone you have, how many teeth are missing, and what you want from the final result.<\/p>\n","protected":false},"author":2,"featured_media":1180,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[36],"tags":[],"class_list":["post-885","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-implants-without-bone-en"],"acf":[],"_links":{"self":[{"href":"https:\/\/ortoimplant.hr\/en\/wp-json\/wp\/v2\/posts\/885","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ortoimplant.hr\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ortoimplant.hr\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ortoimplant.hr\/en\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/ortoimplant.hr\/en\/wp-json\/wp\/v2\/comments?post=885"}],"version-history":[{"count":2,"href":"https:\/\/ortoimplant.hr\/en\/wp-json\/wp\/v2\/posts\/885\/revisions"}],"predecessor-version":[{"id":1384,"href":"https:\/\/ortoimplant.hr\/en\/wp-json\/wp\/v2\/posts\/885\/revisions\/1384"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ortoimplant.hr\/en\/wp-json\/wp\/v2\/media\/1180"}],"wp:attachment":[{"href":"https:\/\/ortoimplant.hr\/en\/wp-json\/wp\/v2\/media?parent=885"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ortoimplant.hr\/en\/wp-json\/wp\/v2\/categories?post=885"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ortoimplant.hr\/en\/wp-json\/wp\/v2\/tags?post=885"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}