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多久洗一次牙？洗牙要花多少錢？｜證據鏈

km 編輯部2026-08-13閱讀約 52 分鐘
#證據鏈#牙醫KM#台灣#洗牙

本頁是〈多久洗一次牙？洗牙要花多少錢？〉的事實單元帳：每一條主張對應的來源、證據等級、地域與期間、原文引句與限制，逐條攤開。

多久洗一次牙？洗牙要花多少錢？｜證據鏈

F-Units（事實單元帳）

每條標明 confidence／basis／period／geo／逐字 span／caveat。basis 階梯：law ＞ official_statement ＞ clinical_guideline ＞ peer_reviewed ＞ textbook。

  • F1｜confidence: 結構性整理（編輯框架，非外部事實宣稱）｜basis: editorial_framework｜period: 2026-08-06｜geo: universal｜span: 「三種洗牙」的拆分、「臨床證據／保險給付規則／院所收費標準」三層區分、以及「證據缺席不等於療效否定」的讀法提醒，均為本站為了讓病人問對問題而定義的說明結構｜caveat: 非官方分類、非臨床判準、非診斷工具，不取代醫師評估
  • F2｜confidence: verified（2026-08-06 efetch 取回摘要逐字比對）｜basis: peer_reviewed（Cochrane systematic review・meta-analysis，PMID 30590875，CD004625.pub5）｜period: 檢索至 2018-01-10，2018 刊出｜geo: universal｜版本鏈: 以 CD004625 檢得 4 筆（PMID 15674957 / 17943824 / 24197669 / 30590875），pub5 為現行版，esummary pubtype 無撤回標記｜span: 「A 'routine scale and polish' treatment is defined as scaling or polishing, or both, of the crown and root surfaces of teeth to remove local irritational factors (plaque, calculus, debris and staining), which does not involve periodontal surgery or any form of adjunctive periodontal therapy such as the use of chemotherapeutic agents or root planing.」「We included two studies with 1711 participants in the analyses.」「Both studies were conducted in UK general dental practices and involved adults without severe periodontitis who were regular attenders at dental appointments.」「Neither study measured adverse effects, changes in attachment level, tooth loss or halitosis.」「Two studies compared routine six-monthly scale and polish treatments versus 12-monthly treatments. We found little or no difference between groups over two to three years for the outcomes of gingivitis, probing depths, oral health-related quality of life (all high-certainty evidence) and plaque (low-certainty evidence).」「Routine scaling and polishing reduces calculus levels compared with no routine scaling and polishing, with six-monthly treatments reducing calculus more than 12-monthly treatments over two to three years follow-up (high-certainty evidence), although the clinical importance of these small reductions is uncertain.」「The studies did not assess adverse effects.」｜caveat: 族群限「無嚴重牙周炎且規律就診之成人」，禁外推至牙周炎病人、長期未就醫者或已出現症狀者；比較對象為六個月對十二個月與「不安排」，未比較更短間隔；同錨亦用於 KM-DENTAL-05、KM-DENTAL-19
  • F3｜confidence: verified（2026-08-06 efetch 逐字比對）｜basis: peer_reviewed（cluster factorial randomised controlled trial，PMID 29984691，IQuaD，ISRCTN56465715）｜period: 2018 刊出，追蹤 3 年｜geo: universal｜span: 「Adult dentate NHS patients, regular attenders, with Basic Periodontal Examination (BPE) scores of 0, 1, 2 or 3.」「A total of 63 dental practices and 1877 participants were recruited.」「Under intention-to-treat analysis, there was no evidence of a difference in gingival inflammation/bleeding between the 6-monthly PI group and the no-PI group [difference 0.87%, 95% confidence interval (CI) -1.6% to 3.3%; p = 0.481] or between the 6-monthly PI group and the 12-monthly PI group (difference 0.11%, 95% CI -2.3% to 2.5%; p = 0.929).」「Being a pragmatic trial, we did not deny PIs to the no-PI group; there was clear separation in the mean number of PIs between groups.」｜caveat: 務實型試驗，未拒絕不安排組接受處置（僅組間次數有明顯區隔），故「不安排組」不等於「完全沒洗牙」；族群限規律就診、基礎牙周檢查分數 0 至 3 的成人；英國 NHS 情境，制度不可直接對應台灣
  • F4｜confidence: verified（2026-08-06 efetch 逐字比對）｜basis: peer_reviewed（three-arm randomised controlled trial，PMID 33215986，INTERVAL）｜period: 2020 刊出，追蹤 4 年｜geo: universal｜span: 「Adult, dentate, NHS patients who had visited their dentist in the previous 2 years.」「A total of 2372 participants were recruited from 51 dental practices; 648 participants were eligible for the 24-month recall stratum and 1724 participants were ineligible.」「There was no evidence of a significant difference in the mean percentage of sites with gingival bleeding between intervention arms in any comparison.」「Over a 4-year period, we found no evidence of a difference in oral health for participants allocated to a 6-month or a risk-based recall interval, nor between a 24-month, 6-month or risk-based recall interval for participants eligible for a 24-month recall.」「However, people greatly value and are willing to pay for frequent dental check-ups」｜caveat: 對象為「過去兩年內看過牙醫」的成人；二十四個月組須由收案牙醫判定臨床適合才納入該層，該層不是一般族群；結果指標為牙齦出血與生活品質，非牙齒喪失
  • F5｜confidence: verified（2026-08-06 efetch 逐字比對）｜basis: peer_reviewed（Cochrane systematic review，PMID 33053198，CD004346.pub5）｜period: 檢索至 2020-01-17，2020-10-14 刊出｜geo: universal｜版本鏈: 以 CD004346 檢得 4 筆（PMID 15846709 / 17943814 / 24353242 / 33053198），pub5 為現行版，pubtype 無撤回標記｜span: 「Recommendations regarding optimal recall intervals vary between countries and dental healthcare systems, but 6-month dental check-ups have traditionally been advocated by general dental practitioners in many high-income countries.」「We included two studies with data from 1736 participants.」「For adults attending dental check-ups in primary care settings, there is little to no difference between risk-based and 6-month recall intervals in the number of tooth surfaces with any caries, gingival bleeding and oral-health-related quality of life over a 4-year period (high-certainty evidence).」「The two trials we included in the review did not assess adverse effects of different recall strategies.」｜caveat: 本篇研究的是「回診檢查間隔」，不等同「洗牙間隔」，本卡引用其對慣例來源與族群限定的描述，禁與 F2 的洗牙結果混用；受試者限規律赴約者；同錨亦用於 KM-DENTAL-35
  • F6｜confidence: verified（2026-08-06 efetch 逐字比對）｜basis: peer_reviewed（rapid review・evidence synthesis，PMID 39382084）｜period: 2025 刊出（線上 2024-10），為本題現行較新之證據綜整｜geo: universal｜span: 「In total, 3,181 references were retrieved」「One systematic review and one multicenter trial of adults with regular dental care found no clinical benefit regardless of S&P interval; however, patients valued and were willing to pay for regular scaling.」「One claims-based study reported regular S&P reduced tooth loss, and 2 clinical practice guidelines found a reduced risk of future attachment and tooth loss, lower overall health care costs for diabetes, and reduced costs for and incidence of acute myocardial infarction in those with regular S&P.」「For adults with no or early periodontal disease and regular access to dental care, routine S&P may have little clinical benefit but reduces tooth loss and some health care expenses.」「In patients with periodontitis, scaling intervals tailored to individual risk profile and periodontal status can maintain health.」「There is no evidence that dental polishing is effective.」｜caveat: 快速回顧（非完整系統性回顧），僅 8 份報告進入合成；其中牙齒喪失與醫療費用之結果來自保險申報研究與臨床實務指引，屬觀察性與二手來源，不可讀為洗牙可預防心血管事件之因果宣稱；作者亦寫明無弱勢族群相關研究
  • F7｜confidence: verified（2026-08-06 efetch 逐字比對）｜basis: peer_reviewed（systematic review，PMID 26698003）｜period: 檢索至 2014-04，2015 刊出（2016 有勘誤）｜geo: universal｜span: 「Eight cohort studies met the inclusion criteria. No randomized control trials were found.」「All included studies assessed the effect of PM recall intervals in terms of compliance with a recommended regimen (3-6 months) as a primary outcome.」「In the 2 studies reporting mean recall interval in groups, significant tooth loss differences were noted as the interval neared the 12 month limit.」「Evidence for a specific recall interval (e.g. every 3 months) for all patients following periodontal therapy is weak.」｜caveat: 全為世代研究、無隨機對照試驗；「間隔接近 12 個月時牙齒喪失差異顯著」僅來自其中 2 篇，屬觀察性關聯而非因果；本卡不得據此推薦任何固定間隔
  • F8｜confidence: verified（2026-08-06 efetch 逐字比對）｜basis: clinical_guideline（S3 等級臨床實務指引，PMID 32383274，歐洲牙周病聯盟）｜period: 2020 刊出（2021 年有勘誤）；2026-08-06 檢索，第 I 至 III 期之現行版本仍為本篇｜geo: universal｜span: 「The S3 CPG approaches the treatment of periodontitis (stages I, II and III) using a pre-established stepwise approach to therapy that, depending on the disease stage, should be incremental, each including different interventions.」「Consensus was achieved on recommendations covering different interventions, aimed at (a) behavioural changes, supragingival biofilm, gingival inflammation and risk factor control; (b) supra- and sub-gingival instrumentation, with and without adjunctive therapies; (c) different types of periodontal surgical interventions; and (d) the necessary supportive periodontal care to extend benefits over time.」｜caveat: 本卡僅引用其階梯式架構與「支持性牙周照護」的定位，未引用任何個別介入的推薦強度，也未引用任何具體間隔數字；台灣臨床實務仍依主治醫師判斷與健保署規定；同錨亦用於 KM-DENTAL-39
  • F9｜confidence: verified（2026-08-06 efetch 逐字比對）｜basis: peer_reviewed（Cochrane systematic review・meta-analysis，PMID 29291254，CD009376.pub2）｜period: 檢索至 2017-05-08，2018-01 刊出；2026-08-06 以 PubMed 檢索該題僅得本筆，pubtype 無撤回標記｜geo: universal｜span: 「According to the American Academy of Periodontology, SPT should include all components of a typical dental recall examination, and importantly should also include periodontal re-evaluation and risk assessment, supragingival and subgingival removal of bacterial plaque and calculus, and re-treatment of any sites showing recurrent or persistent disease.」「We included four trials involving 307 participants aged 31 to 85 years, who had been previously treated for moderate to severe chronic periodontitis.」「We did not identify any RCTs evaluating the effects of SPT versus monitoring only, or of providing SPT at different time intervals, or that compared the effects of mechanical debridement using different approaches or technologies.」「Overall, there is insufficient evidence to determine the superiority of different protocols or adjunctive strategies to improve tooth maintenance during SPT.」｜caveat: 這是證據缺席，不是療效否定——作者的陳述是「沒有找到符合條件的隨機試驗」，禁改寫為「支持性治療沒有效果」或「間隔沒有差別」；檢索截止 2017，較新的原始試驗未涵蓋
  • F10｜confidence: verified（2026-08-06 efetch 逐字比對）｜basis: peer_reviewed（systematic review・meta-analysis，PMID 25818586）｜period: 2015 刊出｜geo: universal｜span: 「Eight studies, which had a regular-compliance (RC) group and an erratic-compliance (EC) group with at least a 5-y follow-up period, qualified for the meta-analysis.」「The risk of tooth loss in the RC group was significantly lower than that in the EC group (pooled RRTL: 0.56 [confidence interval (CI): 0.38, 0.82]; pooled RDTL: -0.05 [CI: -0.08, -0.01])」｜caveat: 「配合度」定義在各研究間不一致，屬觀察性關聯；比較的是「有沒有規律回來」，不是「間隔訂幾個月」，禁用以支持任何特定間隔；同錨亦用於 KM-DENTAL-39
  • F11｜confidence: verified（2026-08-06 efetch 逐字比對）｜basis: peer_reviewed（systematic review・meta-analysis，PMID 38317331）｜period: 檢索至 2023-08-28，2024 刊出｜geo: universal｜span: 「From among the 1323 potentially eligible reports, 41 studies (5584 patients, 29,908 molars retained at the beginning of maintenance therapy, mean follow-up duration of 14.7 years) were included.」「The pooled survival rate of the molars during maintenance therapy was 82% (95% CI: 80%-84%).」「The average loss of molars was 0.05 per patient per year (95% CI: 0.04-0.06) among the patients receiving long-term periodontal maintenance (PM) therapy.」「Six patient-related factors (older age, lack of compliance, smoking, bruxism, diabetes and lack of private insurance) and five tooth-related factors (maxillary location, high probing pocket depth, furcation involvement, higher mobility and lack of pulpal vitality) were identified as risk factors for molar loss during maintenance therapy.」｜caveat: 納入為縱貫性觀察研究；存活率非成功率，族群限已接受專業牙周治療並持續維護者；同錨亦用於 KM-DENTAL-39
  • F12｜confidence: verified（2026-08-06 efetch 逐字比對）｜basis: peer_reviewed（Cochrane systematic review，PMID 35420698，CD004714.pub4）｜period: 檢索至 2021-09-07，2022-04 刊出；為 2015 年 pub3 之更新版，pubtype 無撤回標記｜geo: universal｜span: 「Treatment for periodontitis involves subgingival instrumentation, which is the professional removal of plaque, calculus, and debris from below the gumline using hand or ultrasonic instruments.」「This is known variously as scaling and root planing, mechanical debridement, or non-surgical periodontal treatment.」「supragingival scaling (also known as PMPR, professional mechanical plaque removal)」｜caveat: 本卡僅引用其對術語與處置範圍的定義，未引用該回顧關於糖化血色素的療效結果，亦不作任何血糖控制之宣稱
  • F13｜confidence: verified（2026-08-06 efetch 逐字比對）｜basis: peer_reviewed（systematic review，PMID 12787217）｜period: 2002 刊出｜geo: universal｜span: 「The prevalence of root sensitivity was 9-23% before and 54-55% after periodontal therapy.」「An increase in the intensity of root sensitivity occurred 1-3 weeks following therapy, after which it decreased.」「based on the scarce evidence from only two studies, root sensitivity occurs in approximately half of the patients following subgingival scaling and root planing」｜caveat: 作者自陳隨機對照試驗不足以充分回答該問題，盛行率僅來自兩篇研究；情境為齦下牙結石清除與牙根整平，非一般例行洗牙；2026-08-06 檢索另得 F14 之較新回顧，兩者納入研究與時間點不同，數字不可互換
  • F14｜confidence: verified（2026-08-06 efetch 逐字比對）｜basis: peer_reviewed（systematic review，PMID 23193405）｜period: 文獻檢索至 2009-12-31，2012 刊出｜geo: universal｜span: 「the reported prevalence for DH/RS (following nonsurgical therapy) was between 62.5% and 90% one day after treatment decreasing to approximately 52.6% to 55% after one week」「The prevalence of DH/RS following surgical therapy was between 76.8% and 80.4% one day after treatment subsequently decreasing over time to 36.8% after 1 week, 33.4% after 2 weeks, 29.6% after 4 weeks, and 21.7% after 8 weeks.」「Most of the studies included in this paper would tend to suggest that DH/RS may be relatively mild/moderate in nature and transient in duration.」｜caveat: 僅 12 篇納入、未做統合分析；檢索止於 2009；盛行率區間跨研究差異大，屬群體估計非個人預期值
  • F15｜confidence: verified（2026-08-06 efetch 逐字比對）｜basis: peer_reviewed（systematic review・meta-analysis，PMID 36750413）｜period: 2024 刊出（線上 2023-03）｜geo: universal｜span: 「We included 64 nRCTs and 25 RCTs.」「Peak bacteremia occurred within 5 min after the procedure and then decreased over time.」「Dental extractions showed the highest incidence of bacteremia (62%-66%), followed by scaling and root planing (SRP) (44%-36%) and oral health procedures (OHP) (e.g., dental prophylaxis and dental probing without SRP) (27%-28%).」「Other ADL (flossing and chewing) (16%) and toothbrushing (8%-26%) resulted in bacteremia as well.」｜caveat: 族群為健康個體；原文以英文比較級描述各處置間的相對發生率，本卡中譯避免最高級措辭；本卡不對預防性抗生素之使用作任何建議，該決定屬醫師依病史判斷；多數納入研究有偏誤風險疑慮
  • F16｜confidence: verified（2026-08-06 efetch 逐字比對）｜basis: peer_reviewed（two multicenter randomized double-blinded Phase III trials，PMID 18682623）｜period: 2008 刊出｜geo: universal｜span: 「The study involved 484 subjects who received one of four commercially available local anesthetic solutions containing vasoconstrictors for restorative or scaling procedures.」「Median recovery times in the lower lip and tongue for subjects in the sham group were 155 minutes and 125 minutes, respectively.」「Upper lip median recovery times were 50 minutes for subjects in the PM group and 133 minutes for subjects in the sham group.」｜caveat: 同 KM-DENTAL-02／04／20 卡錨；本卡引用的是未使用反轉藥物之對照組數值，且該試驗情境明確涵蓋洗牙處置；為中位數，非個人可預期時間；例行洗牙不一定使用局部麻醉
  • F17｜confidence: verified（2026-08-06 以 ego-browser 實載 HTTP 200＋頁面逐字比對）｜basis: law（全民健康保險法第 41 條第 1 項，全國法規資料庫）｜period: 現行條文（法規整編資料截止日 115-07-31）｜geo: TW｜span: 「醫療服務給付項目及支付標準，由保險人與相關機關、專家學者、被保險人、雇主及保險醫事服務提供者等代表共同擬訂，報主管機關核定發布。」｜caveat: 條文引述，非法律意見；本卡據此把給付問題指向健保署現行公告，不作個案給付判定，亦不判定給付間隔；同錨亦用於 KM-DENTAL-26
  • F18｜confidence: verified（對頁面存在與檔案清單；2026-08-06 以 ego-browser 實載，頁面標題與四筆檔案清單逐字讀取）｜basis: official_statement（衛生福利部中央健康保險署）｜period: 2026-08-06 實載｜geo: TW｜span: 頁面標題「全民健康保險醫療服務給付項目及支付標準」，清單載有「支付標準壓縮檔(NHI Fee Schedule)(.doc)(115.07.01生效)」「醫療服務給付項目(114.08.11起可逕至資料開放平台下載CSV檔)」｜caveat: 本卡未下載支付標準壓縮檔逐條比對牙科給付規定，故「本題各項目之給付條件與間隔」屬未查證範圍，本卡不作判定
  • F19｜confidence: verified（2026-08-06 以 ego-browser 實載資料集頁逐字比對，並以其 CSV 下載網址實際取回檔案 HTTP 200、逐列檢索）｜basis: official_statement（政府資料開放平臺資料集，提供機關衛生福利部中央健康保險署）｜period: 資料集詮釋資料更新時間 2026-08-06；檔案更新時間 2026-08-06｜geo: TW｜span: 資料集名稱「醫療服務給付項目及支付標準(csv檔)」，主要欄位「診療項目代碼、健保支付點數、生效起日、生效迄日、英文項目名稱、中文項目名稱、備註」，更新頻率「每1日」；本站實際下載之 CSV 中，中文項目名稱含「牙結石清除」者共 8 筆：91003C 牙結石清除－局部、91004C 牙結石清除－全口、91005C 口乾症牙結石清除-全口、91017C 懷孕婦女牙結石清除-全口、91089C 糖尿病病人牙結石清除-全口、91090C 高風險疾病病人牙結石清除-全口、91103C 特殊狀況牙結石清除-局部、91104C 特殊狀況牙結石清除-全口；另檢得 91018C 牙周病支持性治療、91021C／91022C／91023C 牙周病統合治療第一至第三階段支付｜caveat: 本條僅記錄「清單中存在這些項目名稱」，不等於任何個案符合給付條件，也不代表給付間隔；本卡未引用該檔之支付點數與備註欄內容，給付條件一律以健保署現行公告與院所說明為準
  • F20｜confidence: verified（2026-08-06 以 ego-browser 實載 HTTP 200，頁面標題與附件名稱逐字比對）｜basis: official_statement（臺北市政府衛生局）｜period: 頁面資料更新 115-07-15；收費標準表 1090117 核定｜geo: TW｜span: 頁面標題「臺北市政府衛生局-收費標準-「臺北市醫療機構牙科收費標準表」(1090117核定)」，相關檔案「臺北市醫療機構牙科收費標準表(奉核版-1090117)」（pdf）｜caveat: 本卡未開啟該 PDF 逐項比對，也不引用其中任何數字；此為「自費收費標準由縣市核定」之制度錨與查證入口，其他縣市請改查該縣市衛生局；同錨亦用於 KM-DENTAL-26
  • F21｜confidence: verified（跨卡已驗事實，同錨；2026-08-05 由 OP 以 ego-browser 實測並複驗）｜basis: official_statement（衛生福利部中央健康保險署醫材比價網）｜period: 2026-08-05 實測｜geo: TW｜span: 該站兩個查詢軌之品項分類皆不含牙科，頁面全文無「牙」字，牙科自費品項無法由該網查證｜caveat: 本卡未重複實測，沿用 km-compliance/VERIFIED-FACTS.md 之紀錄；官方資料庫可能更新，引用時請註明查證日期
  • F22｜confidence: verified（2026-08-06 以 ego-browser 實載 HTTP 200＋頁面逐字比對）｜basis: law（醫療法第 81 條，全國法規資料庫）｜period: 現行條文｜geo: TW｜span: 「醫療機構診治病人時，應向病人或其法定代理人、配偶、親屬或關係人告知其病情、治療方針、處置、用藥、預後情形及可能之不良反應。」｜caveat: 條文引述，非法律意見
  • F23｜confidence: verified（2026-08-06 以 ego-browser 實載 HTTP 200＋頁面逐字比對）｜basis: law（醫療法第 87 條第 2 項，全國法規資料庫）｜period: 現行條文｜geo: TW｜span: 「醫學新知或研究報告之發表、病人衛生教育、學術性刊物，未涉及招徠醫療業務者，不視為醫療廣告。」｜caveat: 本條為本卡合規註記之定位依據
  • F24｜confidence: verified｜basis: internal_dataset（內部資料 GSC，非醫學 basis；發布轉檔時整條不輸出）｜period: 資料窗 2025-03～2026-08｜geo: TW｜span: 本題查詢族共 7 個詞項、跨 2 個站，逐筆可對帳；｜caveat: 曝光為資產級數字、非去重流量；選題證據數值保留於草稿 frontmatter 與內部檔案，發布轉檔時不進可見層（2026-08-05 裁定）
  • F25｜無外部來源｜證據缺口與分工聲明（editorial，非待驗）｜geo: universal｜本卡不提供以下內容：①任何金額或價格區間 ②任何健保給付條件、給付間隔或個案給付判定 ③牙齦已經腫痛時的處置與紅旗判準（屬 KM-DENTAL-05） ④牙周病造成的齒槽骨流失能否恢復與再生手術（屬 KM-DENTAL-39） ⑤漱口水等化學輔助清潔品的挑選與比較（屬 KM-DENTAL-06） ⑥牙周病治療的完整療程與費用結構（另有專卡） ⑦預防性抗生素之使用建議 ⑧任何產品或品牌比較。證據缺口紀錄：本站於 2026-08-06 以 PubMed E-utilities 檢索（檢索式含 eating drinking after dental prophylaxis scaling instructions clinical trial／post scaling dietary restriction time interval randomized 兩個方向），未取得針對「洗牙後多久可以進食」之臨床研究；故本卡在未使用麻醉的情境下不給任何時間數字，僅回到醫師指示。檢索侷限於 PubMed 英文文獻與本次檢索式，未取得不等於已被推翻。另聲明：本卡刻意不引用洗牙與心血管事件關聯之觀察性研究作為效益論據，因該類設計無法排除健康使用者偏誤，且與本題（間隔與費用）不同層次；F6 中相關內容係原作者對指引與申報研究的轉述，已在該條 caveat 標明不可讀為因果｜caveat: 為編輯性邊界聲明，不是待驗事實

來源清單

PubMed 條目均於 2026-08-06 以 E-utilities efetch 取回摘要原文並逐字比對，並以 esummary 逐筆檢查 pubtype 無撤回標記；法規與官方頁以 ego-browser 實載 HTTP 200 並比對逐字；健保署現行給付項目 CSV 為實際下載後逐列檢索。

  1. Lamont T, Worthington HV, Clarkson JE, Beirne PV. Routine scale and polish for periodontal health in adults. Cochrane Database Syst Rev. 2018;12:CD004625.pub5. PMID 30590875
  2. Ramsay CR, Clarkson JE, Duncan A, et al. Improving the Quality of Dentistry (IQuaD). Health Technol Assess. 2018;22(38). PMID 29984691
  3. Clarkson JE, Pitts NB, Goulao B, et al. Risk-based, 6-monthly and 24-monthly dental check-ups for adults: the INTERVAL three-arm RCT. Health Technol Assess. 2020;24(60). PMID 33215986
  4. Fee PA, Riley P, Worthington HV, et al. Recall intervals for oral health in primary care patients. Cochrane Database Syst Rev. 2020;10:CD004346.pub5. PMID 33053198
  5. Matthews DC, Al-Waeli H. Benefits of Dental Scaling and Polishing in Adults: A Rapid Review and Evidence Synthesis. JDR Clin Trans Res. 2025;10(3):269-281. PMID 39382084
  6. Farooqi OA, Wehler CJ, Gibson G, Jurasic MM, Jones JA. Appropriate Recall Interval for Periodontal Maintenance: A Systematic Review. J Evid Based Dent Pract. 2015;15(4):171-81. PMID 26698003
  7. Sanz M, Herrera D, Kebschull M, et al. Treatment of stage I-III periodontitis — The EFP S3 level clinical practice guideline. J Clin Periodontol. 2020;47(S22):4-60. PMID 32383274
  8. Manresa C, Sanz-Miralles EC, Twigg J, Bravo M. Supportive periodontal therapy (SPT) for maintaining the dentition in adults treated for periodontitis. Cochrane Database Syst Rev. 2018;1:CD009376.pub2. PMID 29291254
  9. Lee CT, Huang HY, Sun TC, Karimbux N. Impact of Patient Compliance on Tooth Loss during Supportive Periodontal Therapy. J Dent Res. 2015;94(6):777-86. PMID 25818586
  10. Chen X, et al. The survival of periodontally treated molars in long-term maintenance: A systematic review and meta-analysis. J Clin Periodontol. 2024. PMID 38317331
  11. Simpson TC, Clarkson JE, Worthington HV, et al. Treatment of periodontitis for glycaemic control in people with diabetes mellitus. Cochrane Database Syst Rev. 2022;4:CD004714.pub4. PMID 35420698
  12. von Troil B, Needleman I, Sanz M. A systematic review of the prevalence of root sensitivity following periodontal therapy. J Clin Periodontol. 2002;29(S3):173-7. PMID 12787217
  13. Lin YH, Gillam DG. The Prevalence of Root Sensitivity following Periodontal Therapy: A Systematic Review. Int J Dent. 2012;2012:407023. PMID 23193405
  14. Martins CC, Lockhart PB, Firmino RT, et al. Bacteremia following different oral procedures: Systematic review and meta-analysis. Oral Dis. 2024;30(3):846-854. PMID 36750413
  15. Hersh EV, Moore PA, Papas AS, et al. Reversal of soft-tissue local anesthesia with phentolamine mesylate in adolescents and adults. J Am Dent Assoc. 2008;139(8):1080-93. PMID 18682623
  16. 全民健康保險法 第 41 條（全國法規資料庫）（2026-08-06 以 ego-browser 實載，第 1 項條文逐字對得上）
  17. 醫療法 第 81 條（全國法規資料庫）（2026-08-06 以 ego-browser 實載，條文逐字對得上）
  18. 醫療法 第 87 條（全國法規資料庫）（2026-08-06 以 ego-browser 實載，兩項條文逐字對得上）
  19. 衛生福利部中央健康保險署「全民健康保險醫療服務給付項目及支付標準」公告頁（2026-08-06 以 ego-browser 實載，頁面標題與四筆檔案清單逐字讀取；本卡未下載檔案逐條比對）
  20. 政府資料開放平臺 資料集「醫療服務給付項目及支付標準(csv檔)」（2026-08-06 以 ego-browser 實載，標題、提供機關、欄位說明與更新頻率逐字對得上；同日以該頁提供之 CSV 下載網址實際取回檔案並逐列檢索）
  21. 臺北市政府衛生局－收費標準：「臺北市醫療機構牙科收費標準表」(1090117核定)（2026-08-06 以 ego-browser 實載，頁面標題與附件名稱逐字對得上）
  22. 衛生福利部中央健康保險署「醫材比價網」兩查詢軌之品項分類（跨卡已驗事實，同錨；紀錄見 km-compliance/VERIFIED-FACTS.md；本卡未重複實測）
  23. 內部數據：`analysis/reports/km-dental-backlog.md` #43 附錄（詞×站×曝光逐筆可對帳）
  24. 編輯框架：本站「三種洗牙」拆分與「證據／給付／收費」三層區分（無外部來源，標示為結構性整理）

內部引用鏈

  • 牙齦已經腫痛時該怎麼辦、什麼情況要就醫：牙齦腫痛怎麼快速消？什麼情況要就醫？（KM-DENTAL-05）
  • 牙周病造成的骨流失能不能長回來：齒槽骨流失還能自然再生嗎？（KM-DENTAL-39）
  • 化學輔助清潔（漱口水）的定位與挑選：漱口水怎麼挑？牙周病該用哪一瓶？（KM-DENTAL-06）
  • 洗牙與美白的差別（同引 Cochrane 例行洗牙定義）：牙齒黃黃黑黑刷不掉，美白有哪些方法？（KM-DENTAL-19）
與同族卡的分工（一句話）：#05 管「已經腫痛了怎麼辦」的症狀分級、#39 管「骨頭還能不能長回來」的再生問題、#06 管漱口水這類化學輔助，本卡只管「多久做一次」與「費用怎麼讀」；重疊處一律引用不重寫。 [F25]
發布閘門提醒：本卡為 draft。F18（各項目之健保給付條件與間隔）屬本卡未查證且不作判定之範圍，翻譯時禁補上任何給付頻率；四語（zh-Hans／en／ja）未產前不得進 km_entries；F2 與 F5 分屬「洗牙間隔」與「回診檢查間隔」兩個不同臨床問題，翻譯時禁合併。

FAQ

「每半年洗一次牙」是規定嗎？
**它在許多國家是長年沿用的實務慣例，臨床證據面則另有說法。** Cochrane 回顧寫明，各國與各醫療體系對理想回診間隔的建議不一致，六個月回診在許多高所得國家長年被一般牙科執業者所提倡 [F5]。在規律就診、沒有嚴重牙周炎的成人身上，六個月與十二個月的例行洗牙在牙齦炎、囊袋深度與生活品質上差異很小或沒有差異 [F2]；英國 IQuaD 試驗比較的是**牙周器械處置的頻率**，沒有觀察到六個月、十二個月與不安排三組在牙齦發炎與出血上的差異 [F3]；英國 INTERVAL 試驗比較的是**回診檢查的間隔**，也沒有觀察到各組在牙齦出血上的顯著差異 [F4]。這兩件事要分開讀 [F1]。**但保險給付規則是另一個層面的事**：健保給付項目與條件依《全民健康保險法》第 41 條的程序核定發布，一律以健保署現行公告為準，本卡不作判定 [F17][F18]。
「半年に一度の歯石除去」は決まりですか？ — **多くの国で長年続く実務慣行で、臨床根拠は別問題です。** 各国・医療制度で最適リコール間隔の勧告は異なり、多くの高所得国で 6 か月健診が伝統的に勧められてきました [F5]。定期受診で重度歯周炎のない成人では、6 か月と 12 か月の通常処置に歯肉炎、ポケット深さ、QOL の差は小さいかありませんでした [F2]。IQuaD は**歯周器械処置の頻度**、INTERVAL は**診察リコールの間隔**を比較した別の試験です [F3][F4]。両者を分けて読みます [F1]。**健保給付規則はさらに別層です。** 台湾の給付項目と条件は全民健康保険法第 41 条の手続で公示され、健保署の現行公示によります。本カードは判断しません [F17][F18]。
Is “a dental cleaning every six months” a rule? — **It is a long-standing practice convention in many countries; clinical evidence is a different question.** Cochrane states that recommendations on optimal recall interval differ among countries and healthcare systems, although six-month check-ups have long been advocated by general dental practitioners in many high-income countries [F5]. In regular-attending adults without severe periodontitis, six- versus twelve-month routine scaling showed little or no difference in gingivitis, pocket depth, or quality of life [F2]. The UK IQuaD trial compared the **frequency of periodontal instrumentation** and found no difference in gingival inflammation or bleeding among six-month, twelve-month, and no-PI groups [F3]. The UK INTERVAL trial compared **check-up recall intervals** and also found no significant difference in gingival bleeding [F4]. These are separate questions [F1]. **Insurance payment rules are a different layer:** payment items and conditions are approved through the Article 41 process of Taiwan’s National Health Insurance Act, and depend on current NHI Administration notices; this card makes no determination [F17][F18].
所以我可以不用洗牙了嗎？
**不能這樣讀。** 上述研究的族群是規律就診、沒有嚴重牙周炎的成人 [F2][F3][F4]，而且兩份 Cochrane 回顧都寫明納入研究沒有測量不良反應、附連水平變化、牙齒喪失或口臭 [F2][F5]——沒測到差別與沒有測過，是兩回事 [F1]。同一份回顧也記錄例行洗牙確實降低牙結石量（高確定性證據）[F2]；2025 年的證據綜整則記錄，對低風險成人臨床效益可能有限，但會減少牙齒喪失與部分醫療支出，而對牙周炎病人，依個人風險安排的間隔可以維持健康狀態 [F6]。要不要洗、多久一次，須由牙醫師評估。
では歯石除去をしなくてよいですか？ — **そうは読めません。** 研究の対象は定期受診で重度歯周炎のない成人で [F2][F3][F4]、両 Cochrane レビューの含有研究は有害事象、アタッチメント変化、歯の喪失、口臭を測定していません [F2][F5]。差を測らなかったことと、差がないことは別です [F1]。同じレビューは通常処置が歯石量を減らすと記録し [F2]、2025 年の統合は低リスク成人で臨床利益が限られても歯の喪失と一部医療費を減らし、歯周炎ではリスクに合わせた間隔が健康維持に役立つと記録します [F6]。実施するかと頻度は歯科医師の評価で決めます。
Does that mean I can skip scaling? — **No.** The studies above involved regular-attending adults without severe periodontitis [F2][F3][F4], and both Cochrane reviews say their included studies did not measure adverse effects, attachment-level changes, tooth loss, or halitosis [F2][F5]. No measured difference and no measurement are different things [F1]. The same review records that routine scaling reduces calculus (high-certainty evidence) [F2]. The 2025 synthesis records that clinical benefit may be limited for low-risk adults but tooth loss and some healthcare expenses are reduced, while risk-tailored intervals can maintain health in patients with periodontitis [F6]. Whether to have scaling and how often require a dentist’s assessment.
我有牙周病，是不是要三個月回診一次？
**「3 個月」是常見的建議區間，但目前沒有隨機試驗直接比較過不同間隔。** Cochrane 針對支持性牙周治療的回顧明寫，沒有找到任何隨機對照試驗比較不同的支持性治療時間間隔，也沒有試驗比較「支持性治療對比只做監測」 [F9]。一份納入 8 篇世代研究的系統性回顧同樣沒有找到隨機對照試驗，結論是「對所有病人採用某個特定間隔（例如每 3 個月）」的證據薄弱；不過在 2 篇有報告平均間隔的研究裡，當間隔接近 12 個月上限時牙齒喪失出現顯著差異 [F7]。另一份統合分析則記錄規律配合組的牙齒喪失風險低於不規律組（風險比 0.56）[F10]。實務上的間隔應由牙醫師依你的風險評估決定 [F6][F8]。
歯周病なら 3 か月ごとに受診すべきですか？ — **「3 か月」はよくある提案範囲ですが、異なる間隔を直接比較した RCT はありません。** Cochrane は異なる支持療法間隔も、支持療法と経過観察のみも比べた RCT を見つけていません [F9]。8 コホート研究のレビューも RCT はなく、全員へ特定間隔（例：3 か月）を当てる根拠は弱いと結論しました。ただし平均間隔を示した 2 研究では 12 か月上限に近づくと歯の喪失差が有意でした [F7]。別の統合分析では規則的遵守群の歯の喪失リスクが低く（リスク比 0.56）[F10]、実務の間隔はリスク評価から歯科医師が決めます [F6][F8]。
I have periodontitis. Must I return every 3 months? — **“Every 3 months” is a common suggested range, but randomized trials have not directly compared different intervals.** Cochrane explicitly found no randomized controlled trial comparing different supportive-periodontal-therapy intervals, and none comparing supportive therapy with monitoring only [F9]. A systematic review of 8 cohort studies likewise found no randomized trials. It concluded that evidence for one specific interval for all patients (such as every 3 months) is weak; however, in 2 studies reporting mean intervals, tooth-loss differences became significant as the interval approached a 12-month limit [F7]. Another meta-analysis recorded lower tooth-loss risk in regular than irregular compliance groups (risk ratio 0.56) [F10]. In practice, the interval should be chosen by your dentist from your risk assessment [F6][F8].

來源錨定

引用本文

km 編輯部・《多久洗一次牙？洗牙要花多少錢？｜證據鏈》・IDAEO 知識庫・2026-08-13・https://km.idaeo.ai/reports/dental-scaling-frequency-evidence

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更新 2026-08-13T14:17:38.491Z · server-rendered · four-language · IDAEO 知識庫