Periodontal disease and oral health-related quality of life

Oral Health: Anesthetic Management, Social Determinants, Role of Nutrition and Impact on Quality of Life

Volumn , Issue , 2015, Pages 1-32

  Goh, Victor ^a,b   Nihalani, Dipti ^a,c   Leung, W Keung ^a  

^a UNIVERSITY OF HONG KONG   (Hong Kong)

^b UNIVERSITI KEBANGSAAN MALAYSIA   (Malaysia)

^c Zircon Dental Center   (Qatar)

Author keywords

Periodontitis; Quality of life

Indexed keywords

EID: 84957064154     PISSN: None     EISSN: None     Source Type: Book    
DOI: None     Document Type: Chapter

References (126)

1. Aarabi, G., John, M. T., Schierz, O., Heydecke, G. & Reissmann, D. R. (2015) The course of prosthodontic patients' oral health-related quality of life over a period of 2 years. Journal of Dentistry 43, 261-268.
2. Acharya, S., Bhat, P. V. & Acharya, S. (2009) Factors affecting oral health-related quality of life among pregnant women. International Journal of Dental Hygiene 7, 102- 107.
3. Adulyanon, S., Vourapukjaru, J. & Sheiham, A. (1996) Oral impacts affecting daily performance in a low dental disease Thai population. Community Dentistry and Oral Epidemiology 24, 385-389.
4. Al-Harthi, L. S., Cullinan, M. P., Leichter, J. W. & Thomson, W. M. (2013) The impact of periodontitis on oral health-related quality of life: a review of the evidence from observational studies. Australian Dental Journal 58, 274-277; quiz 384.
5. Al-Omiri, M. K., Karasneh, J. A., Lynch, E., Lamey, P. J. & Clifford, T. J. (2009) Impacts of missing upper anterior teeth on daily living. International Dental Journal 59, 127-132.
6. Allen, F. & Locker, D. (2002) A modified short version of the oral health impact profile for assessing health-related quality of life in edentulous adults. International Journal of Prosthodontics 15, 446-450.
7. Allen, P. F., McMillan, A. S. & Locker, D. (2001) An assessment of sensitivity to change of the Oral Health Impact Profile in a clinical trial. Community Dentistry and Oral Epidemiology 29, 175-182.
8. Antunes, J. L., Pegoretti, T., de Andrade, F. P., Junqueira, S. R., Frazao, P. & Narvai, P. C. (2003) Ethnic disparities in the prevalence of dental caries and restorative dental treatment in Brazilian children. International Dental Journal 53, 7-12.
9. Armitage, G. C. (1999) Development of a classification system for periodontal diseases and conditions. Annals of Periodontology 4, 1-6.
10. Armitage, G. C. (2004) Periodontal diagnoses and classification of periodontal diseases. Periodontology 2000 34, 9-21.
11. Aslund, M., Pjetursson, B. E. & Lang, N. P. (2008) Measuring oral health-related quality-of-life using OHQoL-GE in periodontal patients presenting at the University of Berne, Switzerland. Oral Health and Preventive Dentistry 6, 191-197.
12. Atchison, K. A. & Dolan, T. A. (1990) Development of the Geriatric Oral Health Assessment Index. Journal of Dental Education 54, 680-687.
13. Baba, K., Igarashi, Y., Nishiyama, A., John, M. T., Akagawa, Y., Ikebe, K., Ishigami, T., Kobayashi, H. & Yamashita, S. (2008) Patterns of missing occlusal units and oral health-related quality of life in SDA patients. Journal of Oral Rehabilitation 35, 621- 628.
14. Bagramian, R. A., Garcia-Godoy, F. & Volpe, A. R. (2009) The global increase in dental caries. A pending public health crisis. AmeriCan. J.ournal of Dentistry 22, 3-8.
15. Batista, M., Lawrence, H. & Rosario de Sousa, M. (2014) Impact of tooth loss related to number and position on oral health quality of life among adults. Health and Quality of Life Outcomes 12, 165.
16. Bekes, K. & Hirsch, C. (2013) What is known about the influence of dentine hypersensitivity on oral health-related quality of life? Clinical Oral Investigations 17 Suppl 1, S45-51.
17. Bekes, K., John, M. T., Schaller, H. G. & Hirsch, C. (2009) Oral health-related quality of life in patients seeking care for dentin hypersensitivity. Journal of Ora Rehabilitation 36, 45-51.
18. Bernabe, E., de Oliveira, C. M., Sheiham, A. & Tsakos, G. (2009) Comparison of the generic and condition-specific forms of the Oral Impacts on Daily Performances (OIDP) Index. Journal of Public Health Dentistry 69, 176-181.
19. Boiko, O. V., Baker, S. R., Gibson, B. J., Locker, D., Sufi, F., Barlow, A. P. & Robinson, P. G. (2010) Construction and validation of the quality of life measure for dentine hypersensitivity (DHEQ). Journal of Clinical Periodontology 37, 973-980.
20. Bornstein, M. M., Kislig, K., Hoti, B. B., Seemann, R. & Lussi, A. (2009) Prevalence of halitosis in the population of the city of Bern, Switzerland: a study comparing selfreported and clinical data. European Journal of Oral Sciences 117, 261-267.
21. Brauchle, F., Noack, M. & Reich, E. (2013) Impact of periodontal disease and periodontal therapy on oral health-related quality of life. International Dental Journal 63, 306-311.
22. Buunk-Werkhoven, Y., Dijkstra-le Clercq, M., Verheggen-Udding, E., de Jong, N. & Spreen, M. (2012) Halitosis and oral health-related quality of life: a case report. International Journal of Dental Hygiene 10, 3-8.
23. Campbell, E. J., Scadding, J. G. & Roberts, R. S. (1979) The concept of disease. British Medical Journal 2, 757-762.
24. Castro R. A., Portela, M. C., Leao, A. T. & de Vasconcellos, M. T. (2011) Oral healthrelated quality of life of 11- and 12-year-old public school children in Rio de Janeiro. Community Dentistry and Oral Epidemiology 39, 336-344.
25. Chabanski, M. B., Gillam, D. G., Bulman, J. S. & Newman, H. N. (1997) Clinical evaluation of cervical dentine sensitivity in a population of patients referred to a specialist periodontology department: a pilot study. Journal of Oral Rehabilitation 24, 666-672.
26. Chapple, I. L. & Genco, R. (2013) Diabetes and periodontal diseases: consensus report of the Joint EFP/AAP Workshop on Periodontitis and Systemic Diseases. Journal of Clinical Periodontology 40 Suppl 14, S106-112.
27. Chen, M. S. & Hunter, P. (1996) Oral health and quality of life in New Zealand: a social perspective. Social Science and Medicine 43, 1213-1222.
28. Cicciu, M., Matacena, G., Signorino, F., Brugaletta, A., Cicciu, A. & Bramanti, E. (2013) Relationship between oral health and its impact on the quality life of Alzheimer's disease patients: a supportive care trial. International Journal of Clinical and Experimental Medicine 6, 766-772
29. Cunha-Cruz, J., Hujoel, P. P. & Kressin, N. R. (2007) Oral health-related quality of life of periodontal patients. Journal of Periodontal Research 42, 169-176.
30. Cunningham, S. J., Garratt, A. M. & Hunt, N. P. (2000) Development of a conditionspecific quality of life measure for patients with dentofacial deformity: I. Reliability of the instrument. Community Dentistry and Oral Epidemiology 28, 195-201.
31. de Pinho, A. M., Borges, C. M., de Abreu, M. H., EF, E. F. & Vargas, A. M. (2012) Impact of periodontal disease on the quality of life of diabetics based on different clinical diagnostic criteria. International Journal of Dentistry 2012, 986412.
32. Dowell, P. & Addy, M. (1983) Dentine hypersensitivity--a review. Aetiology, symptoms and theories of pain production. Journal of Clinical Periodontology 10, 341- 350.
33. Durham, J., Fraser, H. M., McCracken, G. I., Stone, K. M., John, M. T. & Preshaw, P. M. (2013) Impact of periodontitis on oral health-related quality of life. Journal of Dentistry 41, 370-376.
34. Elias, A.C.& Sheiham, A.(1998) The relationship between satisfaction with mouth and number and position of teeth. Journal of Oral Rehabilitation 25, 649-661.
35. Eltas, A. & Uslu, M. O. (2013) Evaluation of oral health-related quality-of-life in patients with generalized aggressive periodontitis. Acta Odontologica Scandinavica 71, 547-552.
36. Flemmig, T. F. & Beikler, T. (2013) Economics of periodontal care: market trends, competitive forces and incentives. Periodontology 2000 62, 287-304.
37. Gerritsen, A. E., Allen, P. F., Witter, D. J., Bronkhorst, E. M. & Creugers, N. H. (2010) Tooth loss and oral health-related quality of life: a systematic review and meta-analysis Health and Quality of Life Outcomes 8, 126.
38. Gerritsen, A. E., Witter, D. J., Bronkhorst, E. M. & Creugers, N. H. (2013) An observational cohort study on shortened dental arches--clinical course during a period of 27-35 years. Clinical Oral Investigations 17, 859-866.
39. Gift, H. C., Reisine, S. T. & Larach, D. C. (1992) The social impact of dental problems and visits. AmeriCan. J.ournal of Public Health 82, 1663-1668.
40. He, S. L., Wang, J. H., Wang, M. H. & Deng, Y. M. (2012) Validation of the Chinese version of the Halitosis Associated Life-quality Test (HALT) questionnaire. Oral Diseases 18, 707-712.
41. Helman, C. G. (1981) Disease versus illness in general practice. Journal of the Royal College of General Practitioners 31, 548-552.
42. Hirschfeld, L. & Wasserman, B. (1978) A long-term survey of tooth loss in 600 treated periodontal patients. Journal of Periodontology 49, 225-237.
43. Hosseinpoor, A. R., Itani, L. & Petersen, P. E. (2012) Socio-economic inequality in oral healthcare coverage: results from the World Health Survey. Journal of Dental Research 91, 275-281.
44. Huang, D. L., Chan, K. C. & Young, B. A. (2013) Poor oral health and quality of life in older U.S. adults with diabetes mellitus. Journal of the American Geriatrics Society 61, 1782-1788.
45. Hung, M., Lai, W., Chen, H. H., Su, W. & Wang, J. (2014) Comparison of expected health impacts for major cancers: Integration of incidence rate and loss of qualityadjusted life expectancy. Cancer Epidemiology.
46. Jansson, H., Wahlin, A., Johansson, V., Akerman, S., Lundegren, N., Isberg, P. E. & Norderyd, O. (2014) Impact of periodontal disease experience on oral health-related quality of life. Journal of Periodontology 85, 438-445.
47. Jeffcoat, M. K., Jeffcoat, R. L., Gladowski, P. A., Bramson, J. B. & Blum, J. J. (2014) Impact of periodontal therapy on general health: evidence from insurance data for five systemic conditions. AmeriCan. J.ournal of Preventive Medicine 47, 166-174.
48. John, M. T., Slade, G. D., Szentpetery, A. & Setz, J. M. (2004) Oral health-related quality of life in patients treated with fixed, removable, and complete dentures 1 month and 6 to 12 months after treatment. International Journal of Prosthodontics 17, 503-511.
49. Jones, S. J., Lozdan, J. & Boyde, A. (1972) Tooth surfaces treated in situ with periodontal instruments. Scanning electron microscopic studies. British Dental Journal 132, 57-64.
50. Kalk, W., Käyser, A. F. & Witter, D. J. (1993) Needs for tooth replacement. International Dental Journal 43, 41-49
51. Kanno, T. & Carlsson, G. E. (2006) A review of the shortened dental arch concept focusing on the work by the Kayser/Nijmegen group. Journal of Oral Rehabilitation 33, 850-862.
52. Käyser, A. F. (1981) Shortened dental arches and oral function. Journal of Oral Rehabilitation 8, 457-462.
53. Käyser, A. F., Witter, D. J. & Spanauf, A. J. (1987) Overtreatment with removable partial dentures in shortened dental arches. Australian Dental Journal 32, 178-182
54. Kizhner, V., Xu, D. & Krespi, Y. P. (2011) A new tool measuring oral malodor quality of life. European Archives of Oto-Rhino-Laryngology 268, 1227-1232.
55. Kreulen, C. M., Witter, D. J., Tekamp, F. A., Slagter, A. P. & Creugers, N. H. (2012) Swallowing threshold parameters of subjects with shortened dental arches. Journal of Dentistry 40, 639-643.
56. Krisdapong, S., Prasertsom, P., Rattanarangsima, K., Sheiham, A. & Tsakos, G. (2012) The impacts of gingivitis and calculus on Thai children's quality of life. Journal of Clinical Periodontology 39, 834-843.
57. Leung, W. K., Ng, D. K., Jin, L. & Corbet, E. F. (2006) Tooth loss in treated periodontitis patients responsible for their supportive care arrangements. Journal of Clinical Periodontology 33, 265-275.
58. Lin, Y. H. & Gillam, D. G. (2012) The prevalence of root sensitivity following periodontal therapy: a systematic review. International Journal of Dentistry 2012, 407023.
59. Lindenmeyer, A., Bowyer, V., Roscoe, J., Dale, J. & Sutcliffe, P. (2013) Oral health awareness and care preferences in patients with diabetes: a qualitative study. Family Practice 30, 113-118.
60. Liu, X. N., Shinada, K., Chen, X. C., Zhang, B. X., Yaegaki, K. & Kawaguchi, Y. (2006) Oral malodor-related parameters in the Chinese general population. Journal of Clinical Periodontology 33, 31-36.
61. Locker, D. (1988) Measuring oral health: a conceptual framework. Community Dental Health 5, 3-18.
62. Locker, D. (1995) Health outcomes of oral disorders. International Journal of Epidemiology 24 Suppl 1, S85-89.
63. Locker, D. (2004) Oral health and quality of life. Oral Health and Preventive Dentistry 2 Suppl 1, 247-253.
64. Locker, D. & Allen, F. (2007) What do measures of 'oral health-related quality of life' measure? Community Dentistry and Oral Epidemiology 35, 401-411.
65. Locker, D. & Miller, Y. (1994) Evaluation of subjective oral health status indicators. Journal of Public Health Dentistry 54, 167-176
66. Locker, D., Jokovic, A. & Clarke, M. (2004) Assessing the responsiveness of measures of oral health-related quality of life. Community Dentistry and Oral Epidemiology 32, 10-18.
67. McGrath, C. & Bedi, R. (2001a) Can dental attendance improve quality of life? British Dental Journal 190, 262-265.
68. McGrath, C. & Bedi, R. (2001b) An evaluation of a new measure of oral health related quality of life--OHQoL-UK(W). Community Dental Health 18, 138-143.
69. McGrath, C. M., Bedi, R. & Gilthorpe, M. S. (2000) Oral health related quality of life-- views of the public in the United Kingdom. Community Dental Health 17, 3-7.
70. Misumi, S., Nakamoto, T., Kondo, Y., Mukaibo, T., Masaki, C. & Hosokawa, R. (2014) A prospective study of changes in oral health-related quality of life during immediate function implant procedures for edentulous individuals. Clinical Oral Implants Research, n/a-n/a.
71. Mombelli, A., Cionca, N. & Almaghlouth, A. (2011) Does adjunctive antimicrobial therapy reduce the perceived need for periodontal surgery? Periodontology 2000 55, 205-216.
72. Montero, J., Castillo-Oyague, R., Lynch, C. D., Albaladejo, A. & Castano, A. (2013) Self-perceived changes in oral health-related quality of life after receiving different types of conventional prosthetic treatments: a cohort follow-up study. Journal of Dentistry 41, 493-503.
73. Needleman, I., McGrath, C., Floyd, P. & Biddle, A. (2004) Impact of oral health on the life quality of periodontal patients. Journal of Clinical Periodontology 31, 454-457
74. Ng, S. K. & Leung, W. K. (2006a) A community study on the relationship between stress, coping, affective dispositions and periodontal attachment loss. Community Dentistry and Oral Epidemiology 34, 252-266.
75. Ng, S. K. & Leung, W. K. (2006b) Oral health-related quality of life and periodontal status. Community Dentistry and Oral Epidemiology 34, 114-122
76. Nikias, M. (1985) Oral disease and quality of life. AmeriCan. J.ournal of Public Health 75, 11-12.
77. Oh, S. H., Kim, Y., Park, J. Y., Jung, Y. J., Kim, S. K. & Park, S. Y. (2014) Comparison of fixed implant-supported prostheses, removable implant-supported prostheses, and complete dentures: patient satisfaction and oral health-related quality of life. Clinical Oral Implants Research.
78. Ozcelik, O., Haytac, M. C. & Seydaoglu, G. (2007) Immediate post-operative effects ofdifferent periodontal treatment modalities on oral health-related quality of life: a randomized clinical trial. Journal of Clinical Periodontology 34, 788-796.
79. Paula, J. S., Leite, I. C., Almeida, A. B., Ambrosano, G. M., Pereira, A. C. & Mialhe, F. L. (2012) The influence of oral health conditions, socioeconomic status and home environment factors on schoolchildren's self-perception of quality of life. Health and Quality of Life Outcomes 10, 6.
80. Pavel, K., Seydlova, M., Dostalova, T., Zdenek, V., Chleborad, K., Jana, Z., Feberova, J. & Radek, H. (2012) Dental implants and improvement of oral health-related quality of life. Community Dentistry and Oral Epidemiology 40 Suppl 1, 65-70.
81. Petersen, P. E., Bourgeois, D., Ogawa, H., Estupinan-Day, S. & Ndiaye, C. (2005) The global burden of oral diseases and risks to oral health. Bulletin of the World Health Organization 83, 661-669.
82. Pihlstrom, B. L., Hargreaves, K. M., Bouwsma, O. J., Myers, W. R., Goodale, M. B. & Doyle, M. J. (1999) Pain after periodontal scaling and root planing. Journal of the American Dental Association 130, 801-807.
83. Rees, J. S., Jin, L. J., Lam, S., Kudanowska, I. & Vowles, R. (2003) The prevalence of dentine hypersensitivity in a hospital clinic population in Hong Kong. Journal of Dentistry 31, 453-461.
84. Reisine, S. T. (1984) Dental Disease and Work Loss. Journal of Dental Research 63, 1158-1161.
85. Richards, D. (2014) Review finds that severe periodontitis affects 11% of the world population. Evidence-Based Dentistry 15, 70-71.
86. Ritz, L., Hefti, A. F. & Rateitschak, K. H. (1991) An in vitro investigation on the loss of root substance in scaling with various instruments. Journal of Clinical Periodontology 18, 643-647.
87. Rousseau, N., Steele, J., May, C. & Exley, C. (2014) 'Your whole life is lived through your teeth': biographical disruption and experiences of tooth loss and replacement. Sociology of Health and Illness 36, 462-476.
88. Saito, A., Hosaka, Y., Kikuchi, M., Akamatsu, M., Fukaya, C., Matsumoto, S., Ueshima, F., Hayakawa, H., Fujinami, K. & Nakagawa, T. (2010) Effect of initial periodontal therapy on oral health-related quality of life in patients with periodontitis in Japan. Journal of Periodontology 81, 1001-1009.
89. Saito, A., Ota, K., Hosaka, Y., Akamatsu, M., Hayakawa, H., Fukaya, C., Ida, A., Fujinami, K., Sugito, H. & Nakagawa, T. (2011) Potential impact of surgical periodontal therapy on oral health-related quality of life in patients with periodontitis: a pilot study. Journal of Clinical Periodontology 38, 1115-1121.
90. Sarita, P. T., Kreulen, C. M., Witter, D. & Creugers, N. H. (2003) Signs and symptoms associated with TMD in adults with shortened dental arches. International Journal of Prosthodontics 16, 265-270.
91. Scully, C. & Greenman, J. (2008) Halitosis (breath odor). Periodontology 2000 48, 66-75.
92. Shanbhag, S., Dahiya, M. & Croucher, R. (2012) The impact of periodontal therapy on oral health-related quality of life in adults: a systematic review. Journal of Clinical Periodontology 39, 725-735.
93. Shugars, D. A., Benson, K., White, R. P., Jr., Simpson, K. N. & Bader, J. D. (1996) Developing a measure of patient perceptions of short-term outcomes of third molar surgery. Journal of Oral and Maxillofacial Surgery 54, 1402-1408.
94. Simpson, T. C., Needleman, I., Wild, S. H., Moles, D. R. & Mills, E. J. (2010) Treatment of periodontal disease for glycaemic control in people with diabetes. The Cochrane Database of Systematic Reviews, CD004714.
95. Slade, G. D. (1998) Assessing change in quality of life using the Oral Health Impact Profile. Community Dentistry and Oral Epidemiology 26, 52-61.
96. Slade, G. D. & Spencer, A. J. (1994) Development and evaluation of the Oral Health Impact Profile. Community Dental Health 11, 3-11.
97. Steele, J. G., Sanders, A. E., Slade, G. D., Allen, P. F., Lahti, S., Nuttall, N. & Spencer, A. J. (2004) How do age and tooth loss affect oral health impacts and quality of life? A study comparing two national samples. Community Dentistry and Oral Epidemiology 32, 107-114.
98. Sukumar, S., John, M. T., Schierz, O., Aarabi, G. & Reissmann, D. R. (2015) Location of prosthodontic treatment and oral health-related quality of life - An exploratory study. Journal of Prosthodontic Research 59, 34-41.
99. Suzuki, N., Yoneda, M., Naito, T., Iwamoto, T. & Hirofuji, T. (2008) Relationship between halitosis and psychologic status. Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology and Endodontics 106, 542-547.
100. Tan, H., Peres, K. G. & Peres, M. A. (2014) Do people with shortened dental arches have worse oral health-related quality of life than those with more natural teeth? A population-based study. Community Dentistry and Oral Epidemiology.
101. Tchicaya, A. & Lorentz, N. (2014) Socioeconomic inequalities in the non-use of dental care in Europe. International Journal of Equity and Health 13, 7.
102. Thomason, J. M., Heydecke, G., Feine, J. S. & Ellis, J. S. (2007) How do patients perceive the benefit of reconstructive dentistry with regard to oral health-related quality of life and patient satisfaction? A systematic review. Clinical Oral Implants Research 18 Suppl 3, 168-188.
103. Tobiasen, J. M. & Hiebert, J. M. (1993) Clefting and psychosocial adjustment. Influence of facial aesthetics. Clinics in Plastic Surgery 20, 623-631
104. Tomazoni, F., Zanatta, F. B., Tuchtenhagen, S., da Rosa, G. N., Del Fabro, J. P. & Ardenghi, T. M. (2014) Association of gingivitis with child oral health-related quality of life. Journal of Periodontology 85, 1557-1565.
105. Tonetti, M. S., Fourmousis, I., Suvan, J., Cortellini, P., Bragger, U. & Lang, N. P. (2004) Healing, post-operative morbidity and patient perception of outcomes following regenerative therapy of deep intrabony defects. Journal of Clinical Periodontology 31, 1092-1098.
106. Tonetti, M. S., Steffen, P., Muller-Campanile, V., Suvan, J. & Lang, N. P. (2000) Initial extractions and tooth loss during supportive care in a periodontal population seeking comprehensive care. Journal of Clinical Periodontology 27, 824-831.
107. Tonetti, M. S. & Van Dyke, T. E. (2013) Periodontitis and atherosclerotic cardiovascular disease: consensus report of the Joint EFP/AAP Workshop on Periodontitis and Systemic Diseases. Journal of Periodontology 84, S24-29.
108. Tsakos, G., Bernabe, E., D'Aiuto, F., Pikhart, H., Tonetti, M., Sheiham, A. & Donos, N. (2010) Assessing the minimally important difference in the oral impact on daily performances index in patients treated for periodontitis. Journal of Clinical Periodontology 37, 903-909.
109. Tsakos, G., Gherunpong, S. & Sheiham, A. (2006) Can oral health-related quality of life measures substitute for normative needs assessments in 11 to 12-year-old children? Journal of Public Health Dentistry 66, 263-268
110. Vernazza, C., Heasman, P., Gaunt, F. & Pennington, M. (2012) How to measure the cost-effectiveness of periodontal treatments. Periodontology 2000 60, 138-146.
111. von Troil, B., Needleman, I. & Sanz, M. (2002) A systematic review of the prevalence of root sensitivity following periodontal therapy. Journal of Clinical Periodontology 29 Suppl 3, 173-177; discussion 195-176.
112. WHO (1948) Preamble to the Constitution of the World Health Organization as adopted by the International Health Conference, New York, 19-22 June, 1946; signed on 22 July 1946 by the representatives of 61 States (Official Records of the World Health Organization, no. 2, p. 100) and entered into force on 7 April 1948.
113. WHO (1995) The World Health Organization Quality of Life assessment (WHOQOL): position paper from the World Health Organization. Social Science and Medicine 41, 1403-1409.
114. Wilson, I. B. & Cleary, P. D. (1995) Linking clinical variables with health-related quality of life. A conceptual model of patient outcomes. Journal of the American Medical Association 273, 59-65.
115. Witter, D. J., De Haan, A. F., Käyser, A. F. & Van Rossum, G. M. (1991) Shortened dental arches and periodontal support. Journal of Oral Rehabilitation 18, 203-212.
116. Witter, D. J., De Haan, A. F., Käyser, A. F. & Van Rossum, G. M. (1994) A 6-year follow-up study of oral function in shortened dental arches. Part II: Craniomandibular dysfunction and oral comfort. Journal of Oral Rehabilitation 21, 353-366.
117. Witter, D. J., van Elteren, P. & Käyser, A. F. (1987) Migration of teeth in shortened dental arches. Journal of Oral Rehabilitation 14, 321-329.
118. Witter, D. J., Van Elteren, P., Käyser, A. F. & Van Rossum, G. M. (1990) Oral comfort in shortened dental arches. Journal of Oral Rehabilitation 17, 137-143.
119. Witter, D. J., van Elteren, P., Käyser, A. F. & van Rossum, M. J. (1989) The effect of removable partial dentures on the oral function in shortened dental arches. Journal of Oral Rehabilitation 16, 27-33.
120. Wong, R. M., Ng, S. K., Corbet, E. F. & Leung, W. K. (2012) Non-surgical periodontal therapy improves oral health-related quality of life. Journal of Clinical Periodontology 39, 53-61.
121. Wood, P. H. (1980) The language of disablement: a glossary relating to disease and its consequences. International Rehabilitation Medicine 2, 86-92.
122. Yach, D., Hawkes, C., Gould, C. L. & Hofman, K. J. (2004) The global burden of chronic diseases: overcoming impediments to prevention and control. Journal of the American Medical Association 291, 2616-2622.
123. Yaegaki, K. & Coil, J. M. (2000) Examination, classification, and treatment of halitosis; clinical perspectives. Journal of the Canadian Dental Association 66, 257-261.
124. Yu, S. J., Chen, P. & Zhu, G. X. (2013) Relationship between implantation of missing anterior teeth and oral health-related quality of life. Quality of Life Research 22, 1613-1620.
125. Zaitsu, T., Ueno, M., Shinada, K., Wright, F. A. & Kawaguchi, Y. (2011) Social anxiety disorder in genuine halitosis patients. Health and Quality of Life Outcomes 9, 94.
126. Zhang, Q., Witter, D. J., Gerritsen, A. E., Bronkhorst, E. M. & Creugers, N. H. (2013) Functional dental status and oral health-related quality of life in an over 40 years old Chinese population. Clinical Oral Investigations 17, 1471-1480.