References
- Goodman JR, Jones SP, Hobkirk JA, King PA. Hypodontia: clinical features and the management of mild to moderate hypodontia. Dent Update 1994; 21: 381–84.
- Meon R. Hypodontia of the primary and permanent dentition. J Clin Paed Dent 1992; 16: 121–23.
- Rose JS. A survey of congenitally missing teeth, excluding third molars, in 6000 orthodontic patients. Dent Pract Dent Rec 1966; 17: 107–14.
- Brook AH. Dental anomalies of number, form and size: their prevalence in British schoolchildren. J Int Assoc Dent Child 1974; 5: 37–53.
- Bergstrom K. An orthopantomographic study of hypodontia, supernumeraries and other anomalies in school children between the ages of 8–9 years. An epidemiological study. Swed Dent J 1977; 1: 145–57.
- Larmour CJ, Mossey PA, Thind BS, Forgie AH, Stirrups DR. Hypodontia–a retrospective review of prevalence and etiology. Part I. Quintessence Int 2005; 36: 263–70.
- Locker D, Allen F. What do measures of ‘oral health-related quality of life’ measure? Community Dent Oral Epidemiol 2007; 35: 401–11.
- Cunningham SJ&Hunt NP. Quality of life and its importance in orthodontics. J Orthod 2001; 28: 152–58.
- Barbosa TS, Gaviao MB. Oral health-related quality of life in children: part I. How well do children know themselves? A systematic review. Int J Dent Hyg 2008; 6: 93–99.
- Jokovic A, Locker D, Stephens M, Kenny D, Tompson B, Guyatt G. Validity and reliability of a questionnaire for measuring child oral-health-related quality of life. J Dent Res 2002; 81: 459–63.
- Jokovic A, Locker D, Guyatt, G. Short forms of the Child Perceptions Questionnaire for 11–14-year-old children (CPQ11–14): development and initial evaluation. Health Qual Life Outcomes 2006; 4: 4.
- Hobkirk JA, Goodman JR, Jones SP. Presenting complaints and findings in a group of patients attending a hypodontia clinic. Br Dent J 1994; 177: 337–39.
- Wong AT, McMillan AS, McGrath C. Oral health-related quality of life and severe hypodontia. J Oral Rehabil 2006; 33: 869–73.
- Locker D, Jokovic A, Prakash P, Tompson B. Oral health-related quality of life of children with oligodontia. Int J Paediatr Dent 2010; 20: 8–14.
- Laing E, Cunningham SJ, Jones S, Moles D, Gill D. Psychosocial impact of hypodontia in children. Am J Orthod Dentofacial Orthop 2010; 137: 35–41.
- Cohen J. Statistical power analysis for the behavioural sciences. London: Academic Press, 1969.
- Johal A, Cheung MY, Marcene W. The impact of two different malocclusion traits on quality of life. Br Dent J 2007; 202: E2.
- Barbosa TS, Gaviao MB. Oral health-related quality of life in children: part II. Effects of clinical oral health status. A systematic review. Int J Dent Hyg 2008; 6: 100–07.
- Locker D. The burden of oral disorders in a population of older adults. Community Dent Health 1992; 9: 109–24.
- McGrath C, Broder H, Wilson-Genderson M. Assessing the impact of oral health on the life quality of children: implications for research and practice. Community Dent Oral Epidemiol 2004; 32: 81–85.
- Marshman Z, Rodd H, Stern M. An evaluation of the Child Perceptions Questionnaire in the UK. Community Dent Health 2005; 22: 151–55.
- O'Brien K, Wright JL, Conboy F, Macfarlane T, Mandall N. The child perception questionnaire is valid for malocclusions in the United Kingdom. Am J Orthod Dentofacial Orthop 2006; 129: 536–40.
- O'Brien K, Benson PE, Marshman Z. Evaluation of a quality of life measure for children with malocclusion. J Orthod 2007; 34: 185–93.
- Akram AJ, Jerreat AS, Woodford J, Sandy JR, Ireland AJ. Development of a condition-specific measure to assess quality of life in subjects with hypodontia. Orthod Craniofac Res 2011; 14: 160–67.
- Theunissen NC, Vogels TG, Koopman HM. The proxy problem: child report versus parent report in health-related quality of life research. Qual Life Res 1998; 7: 387–97.
- Jokovic A, Locker D, Guyatt G. How well do parents know their children? Implications for proxy reporting of child health-related quality of life. Qual Life Res 2004; 13: 1297–307.