{"id":"F2022L00260","name":"Statement of Principles concerning periodontitis (Reasonable Hypothesis) (No. 27 of 2022)","slug":"statement-of-principles-concerning-periodontitis-reasonable-hypothesis-no-27-of-2022","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":441249,"registerId":"F2022L00260-fast-fetch-1775956612820","compilationNumber":null,"startDate":"2026-04-12","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"Statement of Principles concerning periodontitis (Reasonable Hypothesis) (No. 27 of 2022)","content":"---\nmeta-content-style-type: text/css\nmeta-content-type: application/xhtml+xml; charset=utf-8\nmeta-generator: Aspose.Words for .NET 20.2\n---\n\n?xml version=\"1.0\" encoding=\"utf-8\" standalone=\"no\"?>\n\n![RMA-Red](image.001.jpeg)\n\n \n\nStatement of Principles\n\nconcerning\n\nPERIODONTITIS  (Reasonable Hypothesis)\n\n(No. 27 of 2022)\n\nThe Repatriation Medical Authority determines the following Statement of Principles under subsection 196B(2) of the Veterans' Entitlements Act 1986.\n\n \n\nDated 4 March 2022\n\n \n\n \n\n \n\n \n\n \n\n| The Common Seal of the  Repatriation Medical Authority  was affixed to this instrument  at the direction of:<br> |\n| --- |\n| <br> <br>Professor Terence Campbell AM<br>Chairperson<br> |\n\n\n \n\n   \n\n\nContents\n\n1 Name\n\n2 Commencement\n\n3 Authority\n\n4 Repeal\n\n5 Application\n\n6 Definitions\n\n7 Kind of injury, disease or death to which this Statement of Principles relates\n\n8 Basis for determining the factors\n\n9 Factors that must exist\n\n10 Relationship to service\n\n11 Factors referring to an injury or disease covered by another Statement of Principles\n\nSchedule 1 - Dictionary\n\n1 Definitions\n\n \n\n\n\n\n1               Name\n\nThis is the Statement of Principles concerning periodontitis (Reasonable Hypothesis) (No. 27 of 2022).\n\n2               Commencement\n\n              This instrument commences on 4 April 2022.\n\n3               Authority\n\nThis instrument is made under subsection 196B(2) of the Veterans' Entitlements Act 1986.\n\n4               Repeal\n\nThe Statement of Principles concerning periodontitis No. 47 of 2013 (Federal Register of Legislation No. F2013L01128) made under subsection 196B(2) of the VEA is repealed.\n\n5               Application\n\nThis instrument applies to a claim to which section 120A of the VEA or section 338 of the Military Rehabilitation and Compensation Act 2004 applies.\n\n6               Definitions\n\nThe terms defined in the Schedule 1 - Dictionary have the meaning given when used in this instrument.\n\n7               Kind of injury, disease or death to which this Statement of Principles relates\n\n(1)          This Statement of Principles is about periodontitis and death from periodontitis.\n\nMeaning of periodontitis\n\n(2)          For the purposes of this Statement of Principles, periodontitis:\n\n(a)          means inflammation of the tissues that support the teeth, with periodontal pocketing and destruction of the periodontal ligament or alveolar bone, leading to progressive attachment loss and tooth loss at diseased sites; and\n\n(b)          includes:\n\n(i)            aggressive periodontitis;\n\n(ii)         chronic periodontitis;\n\n(iii)       necrotising ulcerative periodontitis;\n\n(iv)        peri-implantitis; and\n\n(v)          periodontitis as a manifestation of acquired systemic disease; and\n\n(c)          excludes:\n\n(i)            abscess of the periodontium;\n\n(ii)         acute necrotising ulcerative gingivitis;\n\n(iii)       chronic apical periodontitis;\n\n(iv)        maxillary and mandibular osteonecrosis;\n\n(v)          other combined periodontic-endodontic lesions; and\n\n(vi)        pericoronitis.\n\n(3)          While periodontitis attracts ICD‑10‑AM code K05.3, in applying this Statement of Principles the meaning of periodontitis is that given in subsection (2).\n\n(4)          For subsection (3), a reference to an ICD-10-AM code is a reference to the code assigned to a particular kind of injury or disease in The International Statistical Classification of Diseases and Related Health Problems, Tenth Revision, Australian Modification (ICD-10-AM), Tenth Edition, effective date of 1 July 2017, copyrighted by the Independent Hospital Pricing Authority, ISBN 978-1-76007-296-4.\n\nDeath from periodontitis\n\n(5)          For the purposes of this Statement of Principles, periodontitis, in relation to a person, includes death from a terminal event or condition that was contributed to by the person's periodontitis.\n\nNote: terminal event is defined in the Schedule 1 - Dictionary.\n\n8               Basis for determining the factors\n\nThe Repatriation Medical Authority is of the view that there is sound medical‑scientific evidence that indicates that periodontitis and death from periodontitis can be related to relevant service rendered by veterans, members of Peacekeeping Forces, or members of the Forces under the VEA, or members under the MRCA.\n\nNote: MRCA, relevant service and VEA are defined in the Schedule 1 - Dictionary.\n\n9               Factors that must exist\n\nAt least one of the following factors must as a minimum exist before it can be said that a reasonable hypothesis has been raised connecting periodontitis or death from periodontitis with the circumstances of a person's relevant service:\n\n(1)          having gingivitis involving the affected region of the periodontium for a continuous period of at least the 6 months before the clinical onset of periodontitis;\n\n(2)          having a foreign body in contact with the affected region of the periodontium, on more days than not for a continuous period of at least 6 months before the clinical onset of periodontitis, and where the foreign body has been removed before the clinical onset of periodontitis, then that onset occurred within 4 weeks of removal;\n\nNote: Examples of a foreign body in contact with the periodontium include an osseointegrated implant or dental prosthesis, a removable dental prosthesis and an orthodontic appliance such as a separator or elastic band.\n\n(3)          having an oral piercing adjacent to the affected region of the periodontium for a continuous period of at least the 6 months before the clinical onset of periodontitis;\n\nNote: oral piercing is defined in the Schedule 1 - Dictionary.\n\n(4)          having trauma to the affected region of the periodontium within the 6 months before the clinical onset of periodontitis;\n\nNote: trauma to the affected region of the periodontium is defined in the Schedule 1 - Dictionary.\n\n(5)          having surgery to the affected region of the periodontium within the 6 months before the clinical onset of periodontitis;\n\n(6)          having neutropenia or agranulocytosis at the time of the clinical onset of periodontitis;\n\nNote: Causes of neutropenia or agranulocytosis include having an autoimmune disease or infection such as human immunodeficiency virus infection, and taking drugs such as clozapine, sulfasalazine, ticlopidine, methimazole, carbimazole and propylthiouracil.\n\n(7)          having leukaemia at the time of the clinical onset of periodontitis;\n\n(8)          having infection with human immunodeficiency virus at the time of the clinical onset of periodontitis;\n\n(9)          having diabetes mellitus at the time of the clinical onset of periodontitis;\n\n(10)      being obese for a continuous period of at least the 3 years before the clinical onset of periodontitis;\n\nNote: being obese is defined in the Schedule 1 - Dictionary.\n\n(11)      having chronic renal failure at the time of the clinical onset of periodontitis;\n\nNote: chronic renal failure is defined in the Schedule 1 - Dictionary.\n\n(12)      having an autoimmune disease from the specified list of autoimmune diseases at the time of the clinical onset of periodontitis;\n\nNote: specified list of autoimmune diseases is defined in the Schedule 1 - Dictionary.\n\n(13)      having smoked tobacco products:\n\n(a)           in an amount of at least 2.5 pack-years before the clinical onset of periodontitis; and\n\n(b)          if smoking has ceased before the clinical onset of periodontitis, then that onset occurred within 10 years of cessation;\n\nNote: one pack-year is defined in the Schedule 1 - Dictionary.\n\n(14)      having severe malnutrition at the time of the clinical onset of periodontitis;\n\n(15)      having severe vitamin C deficiency or vitamin D deficiency at the time of the clinical onset of periodontitis;\n\nNote: severe vitamin C deficiency and vitamin D deficiency are defined in the Schedule 1 - Dictionary.\n\n(16)      consuming an average of at least 200 grams of alcohol per week for a continuous period of at least the 2 years before the clinical onset of periodontitis;\n\nNote: Alcohol consumption is calculated utilising the Australian Standard of 10 grams of alcohol per standard alcoholic drink.\n\n(17)      having gingivitis involving the affected region of the periodontium for a continuous period of at least the 6 months before the clinical worsening of periodontitis;\n\n(18)      having a foreign body in contact with the affected region of the periodontium, on more days than not for a continuous period of at least 6 months before the clinical worsening of periodontitis, and where the foreign body has been removed before the clinical worsening of periodontitis, then that worsening occurred within 4 weeks of removal;\n\nNote: Examples of a foreign body in contact with the periodontium include an osseointegrated implant or dental prosthesis, a removable dental prosthesis and an orthodontic appliance such as a separator or elastic band.\n\n(19)      having an oral piercing adjacent to the affected region of the periodontium for a continuous period of at least the 6 months before the clinical worsening of periodontitis;\n\nNote: oral piercing is defined in the Schedule 1 - Dictionary.\n\n(20)      having trauma to the affected region of the periodontium within the 6 months before the clinical worsening of periodontitis;\n\nNote: trauma to the affected region of the periodontium is defined in the Schedule 1 - Dictionary.\n\n(21)      having surgery to the affected region of the periodontium within the 6 months before the clinical worsening of periodontitis;\n\n(22)      having neutropenia or agranulocytosis at the time of the clinical worsening of periodontitis;\n\nNote: Causes of neutropenia or agranulocytosis include having an autoimmune disease or infection such as human immunodeficiency virus infection, and taking drugs such as clozapine, sulfasalazine, ticlopidine, methimazole, carbimazole and propylthiouracil.\n\n(23)      having leukaemia at the time of the clinical worsening of periodontitis;\n\n(24)      having infection with human immunodeficiency virus at the time of the clinical worsening of periodontitis;\n\n(25)      having diabetes mellitus at the time of the clinical worsening of periodontitis;\n\n(26)      being obese for a continuous period of at least the 3 years before the clinical worsening of periodontitis;\n\nNote: being obese is defined in the Schedule 1 - Dictionary.\n\n(27)      having chronic renal failure at the time of the clinical worsening of periodontitis;\n\nNote: chronic renal failure is defined in the Schedule 1 - Dictionary.\n\n(28)      having an autoimmune disease from the specified list of autoimmune diseases at the time of the clinical worsening of periodontitis;\n\nNote: specified list of autoimmune diseases is defined in the Schedule 1 - Dictionary.\n\n(29)      having smoked tobacco products:\n\n(a)           in an amount of at least 2.5 pack-years before the clinical worsening of periodontitis; and\n\n(b)          if smoking has ceased before the clinical worsening of periodontitis, then that worsening occurred within 10 years of cessation;\n\nNote: one pack-year is defined in the Schedule 1 - Dictionary.\n\n(30)      having severe malnutrition at the time of the clinical worsening of periodontitis;\n\n(31)      having severe vitamin C deficiency or vitamin D deficiency at the time of the clinical worsening of periodontitis;\n\nNote: severe vitamin C deficiency and vitamin D deficiency are defined in the Schedule 1 - Dictionary.\n\n(32)      consuming an average of at least 200 grams of alcohol per week for a continuous period of at least the 2 years before the clinical worsening of periodontitis;\n\nNote: Alcohol consumption is calculated utilising the Australian Standard of 10 grams of alcohol per standard alcoholic drink.\n\n(33)      having osteoporosis at the time of the clinical worsening of periodontitis;\n\n(34)      inability to obtain appropriate clinical management for periodontitis.\n\n10           Relationship to service\n\n(1)          The existence in a person of any factor referred to in section 9, must be related to the relevant service rendered by the person.\n\n(2)          The factors set out in subsections 9(17) to 9(34) apply only to material contribution to, or aggravation of, periodontitis where the person's periodontitis was suffered or contracted before or during (but did not arise out of) the person's relevant service.\n\n11           Factors referring to an injury or disease covered by another Statement of Principles\n\nIn this Statement of Principles:\n\n(1)          if a factor referred to in section 9 applies in relation to a person; and\n\n(2)          that factor refers to an injury or disease in respect of which a Statement of Principles has been determined under subsection 196B(2) of the VEA;\n\nthen the factors in that Statement of Principles apply in accordance with the terms of that Statement of Principles as in force from time to time.\n\n \n\n \n\nSchedule 1 - Dictionary  \n\nNote:               See Section 6\n\n1               Definitions\n\nIn this instrument:\n\n                               being obese means having a Body Mass Index (BMI) of 30 or greater.\n\nNote: BMI is also defined in the Schedule 1 - Dictionary.\n\n                               BMI means W/H2 where:\n\n(a)          W is the person's weight in kilograms; and\n\n(b)          H is the person's height in metres.\n\n                               chronic renal failure means:\n\n(a)          having a glomerular filtration rate of less than 15 mL/min/1.73 m2 for a period of at least 3 months; or\n\n(b)          a need for renal replacement therapy (dialysis or transplantation) for treatment of complications of decreased glomerular filtration rate which would otherwise increase the risk of morbidity and mortality; or\n\n(c)          undergoing chronic dialysis.\n\n                                MRCA means the Military Rehabilitation and Compensation Act 2004.\n\n                               one pack-year means the amount of tobacco consumed in smoking 20 cigarettes per day for a period of 1 year, or an equivalent amount of tobacco products.\n\nNote 1: An equivalent amount of tobacco products is 7,300 grams of smoking tobacco by weight, either in cigarettes, pipe tobacco or cigars, or a combination of same. For pipe tobacco, cigars or combinations of multiple tobacco types, 1 gram of tobacco is considered to be equal to one cigarette.\n\nNote 2: Pack-years are calculated by dividing the number of cigarettes smoked per day by 20 and multiplying this number by the number of years the person has smoked. For example, smoking 10 cigarettes per day for 10 years is equal to 5 pack-years, and smoking 40 cigarettes per day for 10 years is equal to 20 pack-years.\n\n                               oral piercing means insertion of an ornament into an opening made in the skin or mucosa of the tongue, lip or cheek.\n\n                               periodontitis—see subsection 7(2).\n\n                               relevant service means:\n\n(a)          operational service under the VEA;\n\n(b)          peacekeeping service under the VEA;\n\n(c)          hazardous service under the VEA;\n\n(d)          British nuclear test defence service under the VEA;\n\n(e)          warlike service under the MRCA; or\n\n(f)           non-warlike service under the MRCA.\n\nNote: MRCA and VEA are also defined in the Schedule 1 - Dictionary.\n\n                               severe vitamin C deficiency means symptoms of scurvy or a serum ascorbic acid level of less than 2.5 milligrams per litre.\n\n                               specified list of autoimmune diseases means:\n\n(a)          ankylosing spondylitis;\n\n(b)          inflammatory bowel disease;\n\n(c)          rheumatoid arthritis; or\n\n(d)          systemic lupus erythematosus.\n\n                               terminal event means the proximate or ultimate cause of death and includes the following:\n\n(a)           pneumonia;\n\n(b)           respiratory failure;\n\n(c)           cardiac arrest;\n\n(d)           circulatory failure; or\n\n(e)           cessation of brain function.\n\n                               trauma to the affected region of the periodontium means a blunt or penetrating injury resulting in:\n\n(a)          fracture, luxation, loss or extraction of a tooth; or\n\n(b)          disruption or fracture of the periodontium.\n\nNote: Examples of luxation injuries include concussion, subluxation, extrusive luxation, lateral luxation and intrusive luxation of the tooth.\n\n                               VEA means the Veterans' Entitlements Act 1986.\n\n                               vitamin D deficiency means a serum 25-hydroxyvitamin D level of less than 50 nanomoles per litre.\n\n \n\n \n","sortOrder":0}],"analysis":{"flash_summary":{"complexity_score":6,"scope_assessment":{"changed":true,"description":"This instrument expressly repeals the earlier Statement of Principles (No. 47 of 2013) (s.4) and replaces it with specified definitions and thresholds. The current text explicitly includes peri‑implantitis and foreign bodies in contact with the periodontium, sets numeric clinical thresholds (BMI, pack‑years, alcohol grams, vitamin levels) and adds inability to obtain appropriate clinical management as a factor (s.7, s.9, Schedule 1). Those incorporations indicate the replacement refines and clarifies scope and evidentiary thresholds compared with the prior instrument."},"complexity_factors":["Multiple medical thresholds and objective measures to be established (BMI ≥30, 2.5 pack‑years, 200 g alcohol/week, vitamin D and C lab cutoffs) (Schedule 1)","Temporal requirements and distinct rules for onset vs worsening (6 months, 3 years, 4 weeks, 10 years) (s.9, s.10)","Inclusion and exclusion lists and detailed clinical definitions (periodontitis inclusions/exclusions, terminal events) (s.7, Schedule 1)","Cross‑reference to other Statements of Principles and interaction with separate disease instruments (s.11)","Application to both disease and death via contribution to a terminal event — causation chain complexity (s.7(5))","Legal standard ‘reasonable hypothesis’ requires synthesis of clinical and service‑relation evidence for claimants (s.9–10)","Administrative transition: repeal of prior Statement and commencement timing (s.2, s.4)"],"plain_english_summary":"This instrument sets the medical criteria the Repatriation Medical Authority uses to decide when periodontitis (and death from it) can be reasonably linked to a person’s relevant military service for claims under the VEA and MRCA (ss.5–8). It defines periodontitis, lists specific clinical triggers and timeframes (e.g. prior gingivitis, implants or oral trauma, systemic disease, smoking, obesity, alcohol use, vitamin deficiencies, inability to obtain care) that claimants and clinicians must document to raise the reasonable hypothesis used by claim decision‑makers (ss.7–11)."},"flash_summary_failed":{"failed":true,"reason":"A positive credit balance is required for all requests, including BYOK, so fallback providers remain available. Add credits at https://vercel.com/d?to=%2F%5Bteam%5D%2F%7E%2Fai%3Fmodal%3Dtop-up to continue.","source":"analysis-cron"},"kimi_summary":{"content_quality":"ok","complexity_score":4,"scope_assessment":{"changed":false,"description":"This is a standard replacement Statement of Principles updating medical evidence for a specific condition. It maintains the established scope of determining service-relatedness for periodontitis under the veterans' compensation scheme, consistent with the original 2013 instrument and the broader framework of Repatriation Medical Authority determinations."},"complexity_factors":["34 distinct factors with specific temporal requirements (e.g., 'continuous period of at least 6 months', 'within 4 weeks of removal', 'within 10 years of cessation')","16 defined terms in Schedule 1, including mathematical formulas (BMI calculation) and clinical thresholds (glomerular filtration rates, serum vitamin levels)","Nested conditional logic: factor applicability depends on whether condition is 'clinical onset' vs 'clinical worsening', and whether foreign bodies were removed","Cross-references to other Statements of Principles for conditions like diabetes and autoimmune diseases (section 11)","Dual legislative framework application (VEA and MRCA with different service definitions)","Specific quantitative thresholds: 2.5 pack-years smoking, 200g alcohol/week, BMI ≥30, GFR <15 mL/min/1.73m²"],"plain_english_summary":"This Statement of Principles updates the medical criteria used to decide whether Australian veterans, peacekeepers and current/former defence members can get compensation or care for periodontitis (and related deaths). It replaces the 2013 version and lists 34 risk factors; having at least one service‑connected factor can create a “reasonable hypothesis” that the gum disease is service‑related, triggering entitlements."}},"importantCases":[],"_links":{"self":"/api/acts/statement-of-principles-concerning-periodontitis-reasonable-hypothesis-no-27-of-2022","history":"/api/acts/statement-of-principles-concerning-periodontitis-reasonable-hypothesis-no-27-of-2022/history","analysis":"/api/acts/statement-of-principles-concerning-periodontitis-reasonable-hypothesis-no-27-of-2022/analysis","conflicts":"/api/acts/statement-of-principles-concerning-periodontitis-reasonable-hypothesis-no-27-of-2022/conflicts","importantCases":"/api/acts/statement-of-principles-concerning-periodontitis-reasonable-hypothesis-no-27-of-2022/important-cases","documents":"/api/acts/statement-of-principles-concerning-periodontitis-reasonable-hypothesis-no-27-of-2022/documents"}}