{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,2]],"date-time":"2026-07-02T02:50:30Z","timestamp":1782960630176,"version":"3.54.5"},"reference-count":40,"publisher":"Springer Science and Business Media LLC","issue":"1","license":[{"start":{"date-parts":[[2025,6,21]],"date-time":"2025-06-21T00:00:00Z","timestamp":1750464000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"},{"start":{"date-parts":[[2025,6,21]],"date-time":"2025-06-21T00:00:00Z","timestamp":1750464000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"}],"funder":[{"DOI":"10.13039\/501100009367","name":"Mansoura University","doi-asserted-by":"crossref","id":[{"id":"10.13039\/501100009367","id-type":"DOI","asserted-by":"crossref"}]}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["BMC Oral Health"],"abstract":"<jats:title>Abstract<\/jats:title>\n          <jats:sec>\n            <jats:title>Background<\/jats:title>\n            <jats:p>Implant placement in the posterior maxilla is challenging, so modifications of the surgical techniques were introduced to overcome these challenges. The undersized drilling technique uses a final drill smaller than the diameter of the implant. The single drilling technique is a simplified method where the osteotomy is made using a single drill without sequential widening. This study was directed to evaluate the peri-implant bone behavior of the undersized drilling technique versus the single drilling technique of immediately loaded dental implants inserted in the posterior maxilla.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Patients and methods<\/jats:title>\n            <jats:p>32 patients were selected for prosthetic replacement of a missing maxillary posterior single tooth by an immediately loaded dental implant and divided randomly into two equal groups. In Group I: 16 patients received 16 implants using the undersized drilling technique, while in Group II: 16 patients received 16 implants using the single drilling technique. Insertion torque, implant stability, modified sulcus bleeding index (mBI), peri-implant probing depth, bone density, and marginal bone height were evaluated for both groups. Statistical analysis was made for clinical and radiographic data.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Results<\/jats:title>\n            <jats:p>32 implants were inserted in the posterior maxilla. During a 12-month follow-up, every dental implant was successful with no complications. Both techniques showed high insertion torque (\u2265\u200935 Ncm) and primary stability (&gt;\u200970 ISQ) with no significant difference between the two groups (<jats:italic>P<\/jats:italic>\u2009&gt;\u20090.05). Also, there were no significant differences between the study groups regarding peri-implant soft tissue health, bone density, and marginal bone loss (<jats:italic>P<\/jats:italic>\u2009&gt;\u20090.05).<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Conclusion<\/jats:title>\n            <jats:p>Both techniques revealed comparable, promising clinical and radiographic outcomes over a 12-month post-loading follow-up period when the immediate loading protocol was used in the posterior maxilla, where bone density is poor, but preparing the implant bed using the single drilling technique offers several merits for both the patient and clinician. In addition to avoiding excessive heat generation, mechanical damage, and high frictional forces during drilling procedures, surgical operations, and surgical site exposure take less time.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Trial registration<\/jats:title>\n            <jats:p>Clinical-Trials.gov PRS (<jats:ext-link xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" xlink:href=\"https:\/\/register.clinicaltrials.gov\" ext-link-type=\"uri\">https:\/\/register.clinicaltrials.gov<\/jats:ext-link>) had this study registered under the identifier number. NCT06770231 on 01\/01\/2025.<\/jats:p>\n          <\/jats:sec>","DOI":"10.1186\/s12903-025-06360-0","type":"journal-article","created":{"date-parts":[[2025,6,21]],"date-time":"2025-06-21T12:08:39Z","timestamp":1750507719000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Peri-implant bone behavior after single drilling technique versus undersized drilling technique of immediately loaded implant in posterior maxilla: a one-year prospective study"],"prefix":"10.1186","volume":"25","author":[{"given":"Mohamed Ahmed Galal","family":"Sadek","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mohamed Zaghlool","family":"Amer","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nesma","family":"El-Gohary","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Heba Abo-Elfetouh","family":"Elsheikh","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2025,6,21]]},"reference":[{"issue":"11","key":"6360_CR1","doi-asserted-by":"publisher","first-page":"1428","DOI":"10.1111\/clr.14329","volume":"35","author":"AN Zuercher","year":"2024","unstructured":"Zuercher AN, Balmer M, Br\u00fcgger LV, Thoma DS, Jung RE, Bienz SP. 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Int J Implant Dent. 2020;6(1):20. https:\/\/doi.org\/10.1186\/s40729-020-00217-7.","DOI":"10.1186\/s40729-020-00217-7"}],"container-title":["BMC Oral Health"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1186\/s12903-025-06360-0.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/article\/10.1186\/s12903-025-06360-0\/fulltext.html","content-type":"text\/html","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1186\/s12903-025-06360-0.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,8,12]],"date-time":"2025-08-12T15:01:38Z","timestamp":1755010898000},"score":1,"resource":{"primary":{"URL":"https:\/\/bmcoralhealth.biomedcentral.com\/articles\/10.1186\/s12903-025-06360-0"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2025,6,21]]},"references-count":40,"journal-issue":{"issue":"1","published-online":{"date-parts":[[2025,12]]}},"alternative-id":["6360"],"URL":"https:\/\/doi.org\/10.1186\/s12903-025-06360-0","relation":{},"ISSN":["1472-6831"],"issn-type":[{"value":"1472-6831","type":"electronic"}],"subject":[],"published":{"date-parts":[[2025,6,21]]},"assertion":[{"value":"18 April 2025","order":1,"name":"received","label":"Received","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"4 June 2025","order":2,"name":"accepted","label":"Accepted","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"21 June 2025","order":3,"name":"first_online","label":"First Online","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"31 July 2025","order":4,"name":"change_date","label":"Change Date","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"Update","order":5,"name":"change_type","label":"Change Type","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"The truncated text and figure in PDF was corrected.","order":6,"name":"change_details","label":"Change Details","group":{"name":"ArticleHistory","label":"Article History"}},{"order":1,"name":"Ethics","group":{"name":"EthicsHeading","label":"Declarations"}},{"value":"Under protocol number A03012024OS, the current study was authorized by the Institutional Review Board (IRB) of the Faculty of Dentistry, Mansoura University, Mansoura, Egypt, following the seventh revision of the Helsinki Declaration in 2013. On 01\/01\/2025, Clinical-Trials.gov PRS () had this study registered under the identifier number. NCT06770231.","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Ethical approval"}},{"value":"Not applicable.","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Consent for publication"}},{"value":"Each participant signed a written informed consent form for participation in this study.","order":4,"name":"Ethics","group":{"name":"EthicsHeading","label":"Informed consent"}},{"value":"The authors declare no conflict of interests.","order":5,"name":"Ethics","group":{"name":"EthicsHeading","label":"Competing interests"}}],"article-number":"956"}}