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Concerns of orthodontic patients during the COVID-19 quarantine period

ABSTRACT

Introduction:

Quarantine protocols for coronavirus disease 2019 (COVID-19) pandemic has modified orthodontic appointments.

Objective:

to evaluate self-reported experience and needs of orthodontic patients during the quarantine period without in-person appointments.

Methods:

Thirty patients, aged 8 to 21 years, under active orthodontic treatment were randomly selected. A phone call questionnaire including questions on physical and emotional impacts of the quarantine of COVID-19 was applied during the second month of Brazilian quarantine.

Results:

Sixteen percent of the patients reported pain related to the orthodontic appliance. Appliance breakage was observed in 23.33%. Twenty percent felt the need of an emergency orthodontic appointment and 3.33% visited a private practice. Moreover, 23% reported that even in an emergency need, they would not search for an appointment, preferring to communicate with the orthodontist by WhatsApp. Oral hygiene self-perception status showed improvement in 36.67% and worsening in 6.67% of the patients, while 56.66% reported maintenance of the same hygiene status. Sixty percent were concerned about the orthodontic treatment. General concerns were primary related to health and a possible extension of the quarantine time.

Conclusions:

During COVID-19 quarantine, orthodontic patients demonstrated a low frequency of orthodontic appliance interference in daily life, and most of them reported a maintenance of oral hygiene habits. The frequency of appliance related pain and breakage was 16.67% and 23.33%, respectively. Patients’ main concern during the quarantine period was the fear of getting sick and the uncertainness about the extension of the quarantine period.

Keywords:
Quality of life; Orthodontics; General health

RESUMO

Introdução:

As medidas de quarentena para a pandemia da doença coronavírus 2019 (COVID-19) modificaram as consultas ortodônticas.

Objetivo:

O objetivo desse estudo foi avaliar as experiências e necessidades autorreferidas dos pacientes ortodônticos durante o período de quarentena sem consulta ortodôntica presencial.

Métodos:

Trinta pacientes, com idades entre 8 e 21 anos, em tratamento ortodôntico ativo, foram selecionados aleatoriamente. Um questionário com perguntas relacionadas aos impactos físicos e emocionais durante a quarentena de COVID-19 foi aplicado durante o segundo mês de quarentena brasileira, por meio de ligações telefônicas.

Resultados:

Dezesseis por cento dos pacientes referiram dor relacionada ao aparelho ortodôntico, e a quebra do aparelho foi observada em 23,33%. Vinte por cento sentiram necessidade de consulta ortodôntica de emergência, 3,33% procuraram atenção particular e 23% disseram que, mesmo diante de uma emergência ortodôntica, não procurariam atenção particular e prefeririam se comunicar com o ortodontista pelo WhatsApp. A autopercepção do estado de higiene bucal apresentou melhora em 36,67% e piora em 6,67% dos pacientes, enquanto 56,66% relataram manutenção do mesmo estado de higiene. Sessenta por cento estavam preocupados com o tratamento ortodôntico. As preocupações gerais estavam relacionadas com a saúde e uma possível extensão do tempo de quarentena.

Conclusões:

Durante a quarentena de COVID-19, os pacientes ortodônticos demonstraram baixa frequência de interferência do aparelho ortodôntico no dia a dia, e a maioria relatou manutenção dos hábitos de higiene bucal. A frequência de dor relacionada ao aparelho e de quebra do aparelho foi de 16,67% e 23,33%, respectivamente. A principal preocupação dos pacientes durante o período de quarentena era ficar doente, além do medo de uma extensão do período de quarentena.

Palavras-chave:
Qualidade de vida; Ortodontia; Saúde geral

INTRODUCTION

The first pandemic of the 21st century started in Wuhan, Hubei Province, China, causing the coronavirus disease 2019 (COVID-19).11 Phelan AL, Katz R, Gostin LO. The Novel Coronavirus Originating in Wuhan, China: Challenges for Global Health Governance. JAMA. 2020 Feb 25;323(8):709-10. This situation has changed the lifestyle around the globe. Mental health and quality of life have been affected by the fear of the new coronavirus, and by the quarantine protocols that were taken to decrease the contagious rate.22 Zhang Y, Ma ZF. Impact of the COVID-19 Pandemic on Mental Health and Quality of Life among Local Residents in Liaoning Province, China: a Cross-Sectional Study. Int J Environ Res Public Health. 2020 Mar 31;17(7):2381.

COVID-19 has caused a worldwide socioeconomic impact, decreasing the monthly income of people around the world.33 Nicola M, Alsafi Z, Sohrabi C, Kerwan A, Al-Jabir A, Iosifidis C, et al. The socio-economic implications of the coronavirus pandemic (COVID-19): a review. Int J Surg. 2020 Jun;78:185-93. Transmission mechanisms have affected several professions,44 Coulthard P. Dentistry and coronavirus (COVID-19) - moral decision-making. Br Dent J. 2020 Apr;228(7):503-5.,55 Sabino-Silva R, Jardim ACG, Siqueira WL. Coronavirus COVID-19 impacts to dentistry and potential salivary diagnosis. Clin Oral Investig. 2020 Apr;24(4):1619-21. and it is assumed that dentistry presents a high infection risk, mainly due to direct contact with patient’s fluids during appointments and to possible cross-infection.44 Coulthard P. Dentistry and coronavirus (COVID-19) - moral decision-making. Br Dent J. 2020 Apr;228(7):503-5.,55 Sabino-Silva R, Jardim ACG, Siqueira WL. Coronavirus COVID-19 impacts to dentistry and potential salivary diagnosis. Clin Oral Investig. 2020 Apr;24(4):1619-21.

Quarantine protocols for contention of COVID-19 pandemic has paused orthodontic monthly appointments in two or four months.66 Courtemanche C, Garuccio J, Le A, Pinkston J, Yelowitz A. Strong Social Distancing Measures In The United States Reduced The COVID-19 Growth Rate. Health Aff (Millwood). 2020 Jul;39(7):1237-46. Periods between orthodontic consultations vary depending on the type of treatment. In general, a 28-day interval showed great results, especially for fixed appliances.77 Caprioglio A, Pizzetti GB, Zecca PA, Fastuca R, Maino G, Nanda R. Management of orthodontic emergencies during 2019-NCOV. Prog Orthod. 2020 Apr 7;21(1):10. Longer interval periods might be detrimental for dental and periodontal health, and emergencies vary when using removable or fixed appliances.77 Caprioglio A, Pizzetti GB, Zecca PA, Fastuca R, Maino G, Nanda R. Management of orthodontic emergencies during 2019-NCOV. Prog Orthod. 2020 Apr 7;21(1):10. Patients with skeletal anchorage might have increased risk of emergencies.88 Miyawaki S, Koyama I, Inoue M, Mishima K, Sugahara T, Takano-Yamamoto T. Factors associated with the stability of titanium screws placed in the posterior region for orthodontic anchorage. Am J Orthod Dentofacial Orthop. 2003 Oct;124(4):373-8.

Previous study reported that patients showed good response in managing orthodontic appliances-related physical, practical and emotional impacts.99 Kettle JE, Hyde AC, Frawley T, Granger C, Longstaff SJ, Benson PE. Managing orthodontic appliances in everyday life: A qualitative study of young people's experiences with removable functional appliances, fixed appliances and retainers. J Orthod. 2020 Mar;47(1):47-54. However, the quarantine period increased the risks of psychological problems,22 Zhang Y, Ma ZF. Impact of the COVID-19 Pandemic on Mental Health and Quality of Life among Local Residents in Liaoning Province, China: a Cross-Sectional Study. Int J Environ Res Public Health. 2020 Mar 31;17(7):2381.,1010 Reynolds DL, Garay JR, Deamond SL, Moran MK, Gold W, Styra R. Understanding, compliance and psychological impact of the SARS quarantine experience. Epidemiol Infect. 2008 Jul;136(7):997-1007. affecting how patients respond to orthodontic treatment. Therefore, the objective of this study was to evaluate the self-reported perceptions and needs of orthodontic patients during the quarantine period without in-person appointments.

MATERIAL AND METHODS

This cross-sectional, qualitative study was approved by the institutional Research Ethics Committee of Faculdade de Odontologia de Bauru, Universidade de São Paulo (process nº 32021020.7.0000.5417). Subjects were selected from the clinic list of patients of the Orthodontic Department of Orthodontics of the aforementioned institution. Fifty-eight patients (age between 8 and 21 years) under active orthodontic treatment were contacted via WhatsApp message by a faculty member. Patients with chronic medical conditions and craniofacial anomalies were excluded. An invitation letter was sent to patients explaining the objective of the study, and the ones with a positive response were included. Thirty patients/parents accepted to participate and were enrolled in this survey. The sample was composed by 14 males and 16 females with a mean age of 14.17 years (SD = 3.03). From the complete sample, 29 patients had conventional fixed appliances and 1 had only a fixed maxillary expander.

Patients were contacted via WhatsApp by their orthodontists monthly during the extended quarantine and were encouraged to contact them back in case of queries or emergency need. Patients were contacted after 60 to 80 days from the last orthodontic appointment by the study interviewer. It is important to highlight that the interviewer was not their own orthodontist. A phone call questionnaire approaching physical and emotional impacts of the quarantine was applied during the second month of Brazilian quarantine. The questionnaire was composed by 10 objective/subjective questions covering pain, appliance breakage, oral hygiene status self-perception, emergency appointments need and fear/concerns (Fig 1). Support was given by the interviewer when patients did not understand the question. Regarding subjective questions, no answer options were offered and the responses were freely provided by patients or guardians. Answers to subjective questions were then grouped based on their similarities.

Figure 1:
Questionnaire.

Patients under 18 years of age were interviewed accompanied by their parents. All interviews were recorded and transcribed into a Microsoft Word document for analysis.

STATISTICAL ANALYSIS

Descriptive analysis were performed using Statistica software (Statistica for Windows, version 11.0, Statsoft, Tulsa, Okla).

RESULTS

From the complete sample, 5 patients (16.67%) reported pain related to the orthodontic appliances during quarantine (Fig 2). Pain was related with orthodontic bands (40%), intermaxillary elastics use (20%) and orthodontic archwire displacement (40%). Fixed appliances breakage was reported by 7 patients (23.33%) and was associated with orthodontic bands (14.29%), bracket debonding (28.57%), orthodontic archwire fracture (14.29%) and broken elastics (42.85%). Only 1 patient (3.33%) reported that daily life was difficult due the orthodontic appliances during quarantine.

Figure 2:
Orthodontic appliance pain, breakage, other daily life difficulties and emergency appointment frequencies.

Twenty percent of the patients felt the need of an emergency appointment, even though only one patient (3.33%) visited a private practice outside the university (Fig 2). Twenty-three percent of the subjects reported that they would not look for an appointment even in case of emergency, preferring to communicate with the orthodontist via WhatsApp. Oral hygiene self-perception status showed improvement in 36.67% and worsening in 6.67% of the patients, while 56.66% reported maintenance of the hygiene status as before the quarantine (Fig 3).

Figure 3:
Oral hygiene self-perception status.

Eighteen subjects (60%) were concerned about the orthodontic treatment (Table 1). Concerns were related to pain (16.67%), appliance breakage (16.67%), appointment need (22.22%), oral hygiene status (16.67%) and increased treatment time (27.77%). General concerns at the beginning of the quarantine and at the moment of the interview were also explored. The main concern at the quarantine start was the own fear or someone in the family getting sick with Coronavirus, observed in 36.6% and 23.3% of the participants, respectively. At the moment of the interview, 13.3% were afraid of getting sick and 6.6% were afraid of someone in the family getting sick with COVID-19. Concerns of a possible extended period of quarantine also showed variance between the beginning and the moment of the interview, with 3.3% and 33.6%, respectively. Other general concerns at the beginning and two months after the quarantine start are shown in Table 2.

Table 1:
Orthodontic treatment concerns.

Table 2:
General concerns.

DISCUSSION

Quarantine protocols have proven to be an effective solution for pandemic control.1111 Lewnard JA, Lo NC. Scientific and ethical basis for social-distancing interventions against COVID-19. Lancet Infect Dis. 2020 Jun;20(6):631-33. Social distancing has promoted a great impact in COVID-19 contagious rates, flattening the curve of infected people.1111 Lewnard JA, Lo NC. Scientific and ethical basis for social-distancing interventions against COVID-19. Lancet Infect Dis. 2020 Jun;20(6):631-33. Several countries have taken actions in an attempt to manage the economic effects.33 Nicola M, Alsafi Z, Sohrabi C, Kerwan A, Al-Jabir A, Iosifidis C, et al. The socio-economic implications of the coronavirus pandemic (COVID-19): a review. Int J Surg. 2020 Jun;78:185-93. Nevertheless, the psychological impact of social distancing should also be considered, in view of the consequences that epidemic situations have in the quality of life.22 Zhang Y, Ma ZF. Impact of the COVID-19 Pandemic on Mental Health and Quality of Life among Local Residents in Liaoning Province, China: a Cross-Sectional Study. Int J Environ Res Public Health. 2020 Mar 31;17(7):2381. Considering the worldwide dissemination of COVID-19, studies focusing on physical and psychological responses are needed.

The relationship between pain and orthodontic movement is well known.1212 Bergius M, Kiliaridis S, Berggren U. Pain in orthodontics. A review and discussion of the literature. J Orofac Orthop. 2000;61(2):125-37.,1313 Machado NAG, Costa YM, Quevedo HM, Stuginski-Barbosa J, Valle CM, Bonjardim LR, et al. The association of self-reported awake bruxism with anxiety, depression, pain threshold at pressure, pain vigilance, and quality of life in patients undergoing orthodontic treatment. J Appl Oral Sci. 2020 Mar;28:e20190407. There is a significant frequency of patients reporting pain some hours after the orthodontic appointment that can persist for a few days.1414 Lew KK. Attitudes and perceptions of adults towards orthodontic treatment in an Asian community. Community Dent Oral Epidemiol. 1993 Feb;21(1):31-5.,1515 Kvam E, Gjerdet NR, Bondevik O. Traumatic ulcers and pain during orthodontic treatment. Community Dent Oral Epidemiol. 1987 Apr;15(2):104-7. Pain is usually related with new archwires or elastic force application.1414 Lew KK. Attitudes and perceptions of adults towards orthodontic treatment in an Asian community. Community Dent Oral Epidemiol. 1993 Feb;21(1):31-5. In this study, 16.67% of the patients reported dental pain produced by the orthodontic treatment, which is significantly less than previous studies1414 Lew KK. Attitudes and perceptions of adults towards orthodontic treatment in an Asian community. Community Dent Oral Epidemiol. 1993 Feb;21(1):31-5.,1515 Kvam E, Gjerdet NR, Bondevik O. Traumatic ulcers and pain during orthodontic treatment. Community Dent Oral Epidemiol. 1987 Apr;15(2):104-7. (Fig 1). This is probably because the interviews were performed after at least 2 months after the last appointment. Pain was not related to tooth movement but to appliance breakage. Breakage urgency consultations are common during orthodontic treatment and assistance is usually immediately given.1616 Bradley E, Shelton A, Hodge T, Morris D, Bekker H, Fletcher S, et al. Patient-reported experience and outcomes from orthodontic treatment. J Orthod. 2020 Jun;47(2):107-15. However, due to COVID-19, virtual assistance had to be offered.77 Caprioglio A, Pizzetti GB, Zecca PA, Fastuca R, Maino G, Nanda R. Management of orthodontic emergencies during 2019-NCOV. Prog Orthod. 2020 Apr 7;21(1):10. Despite pain and appliances breakage, almost the totality of the subjects showed no negative interference of the orthodontic treatment in daily life.

An emergency appointment is defined as any visit that was not planned but needed.77 Caprioglio A, Pizzetti GB, Zecca PA, Fastuca R, Maino G, Nanda R. Management of orthodontic emergencies during 2019-NCOV. Prog Orthod. 2020 Apr 7;21(1):10. In orthodontics, elastic modules loss, traumatizing archwires or attachments, archwire breakage, debonding of brackets and bands are the most common reasons for unscheduled appointment.1717 Dowsing P, Murray A, Sandler J. Emergencies in orthodontics. Part 1: management of general orthodontic problems as well as common problems with fixed appliances. Dent Update. 2015 Mar;42(2):131-4, 137-40. However, orthodontic problems may be considered as urgencies and not as true emergencies and an unscheduled consultation might not be necessary.77 Caprioglio A, Pizzetti GB, Zecca PA, Fastuca R, Maino G, Nanda R. Management of orthodontic emergencies during 2019-NCOV. Prog Orthod. 2020 Apr 7;21(1):10. From the six participants that felt the need of an urgency appointment, only one relied on private consultation to improve oral hygiene. Seven patients (23.33%) reported that even feeling the need of an appointment they would only contact the professional by WhatsApp. This response was related to fear of a possible infection and/or economic reasons.

Oral hygiene is severely affected by orthodontic appliances.1818 Huang J, Yao Y, Jiang J, Li C. Effects of motivational methods on oral hygiene of orthodontic patients: A systematic review and meta-analysis. Medicine (Baltimore). 2018 Nov;97(47):e13182. Tooth brushing difficulties and increased favorable conditions for plaque accumulation may result in enamel demineralization and gingivitis.1919 Gwinnett AJ, Ceen RF. Plaque distribution on bonded brackets: a scanning microscope study. Am J Orthod. 1979 Jun;75(6):667-77.,2020 Mitchell L. Decalcification during orthodontic treatment with fixed appliances--an overview. Br J Orthod. 1992 Aug;19(3):199-205. Considering that these situations are common in the orthodontic practice, a periodical follow-up is necessary.2121 Palomares NB, Celeste RK, Oliveira BH, Miguel JA. How does orthodontic treatment affect young adults' oral health-related quality of life? Am J Orthod Dentofacial Orthop. 2012 Jun;141(6):751-8.,2222 Skidmore KJ, Brook KJ, Thomson WM, Harding WJ. Factors influencing treatment time in orthodontic patients. Am J Orthod Dentofacial Orthop. 2006 Feb;129(2):230-8. A 28-day interval between appointments shows a good biological response, and allows adequate control of the oral hygiene.77 Caprioglio A, Pizzetti GB, Zecca PA, Fastuca R, Maino G, Nanda R. Management of orthodontic emergencies during 2019-NCOV. Prog Orthod. 2020 Apr 7;21(1):10. Longer intervals between orthodontic visits require better patient compliance. Oral hygiene status was based on the self-perception of the patients and should be interpreted with caution, consisting in a limitation of this study. The results showed that even without orthodontic consultations, 36.67% of the patients considered that oral hygiene was improved during quarantine as a result of time availability for tooth brushing (Fig 2). Fifty-six percent reported that their oral hygiene did not change during the quarantine. Hygiene worsening was reported by few patients (6.67%) and was reported as a consequence of laziness. COVID-19 has paused orthodontic treatment follow-ups, nevertheless, most patients reported an adequate oral hygiene during quarantine. This could be related to the fact that patients were aware of the contagious risk during orthodontic appointments. Noninvasive remote patient monitoring has been reported in the healthcare field2323 Vegesna A, Tran M, Angelaccio M, Arcona S. Remote patient monitoring via non-invasive digital technologies: a systematic review. Telemed J E Health. 2017 Jan;23(1):3-17. and might be usefully applied in the orthodontic field during the quarantine period. Reminder messages proved to be an effective motivational method, and orthodontists could use it during the quarentine time to improve patients oral hygiene.2424 Eppright M, Shroff B, Best AM, Barcoma E, Lindauer SJ. Influence of active reminders on oral hygiene compliance in orthodontic patients. Angle Orthod. 2014 Mar;84(2):208-13.,2525 Bowen TB, Rinchuse DJ, Zullo T, DeMaria ME. The influence of text messaging on oral hygiene effectiveness. Angle Orthod. 2015 Jul;85(4):543-48. The use of self-photographs has also proven to be an effective tool in the control of oral hygiene.2626 Zotti F, Dalessandri D, Salgarello S, Piancino M, Bonetti S, Visconti L, et al. Usefulness of an app in improving oral hygiene compliance in adolescent orthodontic patients. Angle Orthod. 2016 Jan;86(1):101-7. Photographs and videos should be used to improve patients’ compliance and mediate remote assistance during quarantine.

A limitation is the fact that the patients from the present study belong to the orthodontic clinic of a public university and might not be as demanding as private patients. However, the frequency of urgencies was possibly similar between public and private care. Regular orthodontic attention during COVID-19 quarantine was not possible, and a criteria for patients who need assistance is a fundamental preventive action.77 Caprioglio A, Pizzetti GB, Zecca PA, Fastuca R, Maino G, Nanda R. Management of orthodontic emergencies during 2019-NCOV. Prog Orthod. 2020 Apr 7;21(1):10. Digital apps may be useful to distinguish between urgencies and emergencies, so patients that really need attention can be assisted with minimum risk.77 Caprioglio A, Pizzetti GB, Zecca PA, Fastuca R, Maino G, Nanda R. Management of orthodontic emergencies during 2019-NCOV. Prog Orthod. 2020 Apr 7;21(1):10.

CONCLUSIONS

During COVID-19 quarantine, orthodontics patients demonstrated a low frequency of orthodontic appliance interference in daily life, and most of them reported no change in oral hygiene habits.

The frequency of appliance related pain or appliance breakage was 16.67% and 23.33%, respectively.

Patients’ main concern during quarantine was the fear of getting sick. They were also afraid of a longer extension of the quarantine period.

Acknowledgments

This study was financially supported by the CAPES (code #001).

REFERENCES

  • 1
    Phelan AL, Katz R, Gostin LO. The Novel Coronavirus Originating in Wuhan, China: Challenges for Global Health Governance. JAMA. 2020 Feb 25;323(8):709-10.
  • 2
    Zhang Y, Ma ZF. Impact of the COVID-19 Pandemic on Mental Health and Quality of Life among Local Residents in Liaoning Province, China: a Cross-Sectional Study. Int J Environ Res Public Health. 2020 Mar 31;17(7):2381.
  • 3
    Nicola M, Alsafi Z, Sohrabi C, Kerwan A, Al-Jabir A, Iosifidis C, et al. The socio-economic implications of the coronavirus pandemic (COVID-19): a review. Int J Surg. 2020 Jun;78:185-93.
  • 4
    Coulthard P. Dentistry and coronavirus (COVID-19) - moral decision-making. Br Dent J. 2020 Apr;228(7):503-5.
  • 5
    Sabino-Silva R, Jardim ACG, Siqueira WL. Coronavirus COVID-19 impacts to dentistry and potential salivary diagnosis. Clin Oral Investig. 2020 Apr;24(4):1619-21.
  • 6
    Courtemanche C, Garuccio J, Le A, Pinkston J, Yelowitz A. Strong Social Distancing Measures In The United States Reduced The COVID-19 Growth Rate. Health Aff (Millwood). 2020 Jul;39(7):1237-46.
  • 7
    Caprioglio A, Pizzetti GB, Zecca PA, Fastuca R, Maino G, Nanda R. Management of orthodontic emergencies during 2019-NCOV. Prog Orthod. 2020 Apr 7;21(1):10.
  • 8
    Miyawaki S, Koyama I, Inoue M, Mishima K, Sugahara T, Takano-Yamamoto T. Factors associated with the stability of titanium screws placed in the posterior region for orthodontic anchorage. Am J Orthod Dentofacial Orthop. 2003 Oct;124(4):373-8.
  • 9
    Kettle JE, Hyde AC, Frawley T, Granger C, Longstaff SJ, Benson PE. Managing orthodontic appliances in everyday life: A qualitative study of young people's experiences with removable functional appliances, fixed appliances and retainers. J Orthod. 2020 Mar;47(1):47-54.
  • 10
    Reynolds DL, Garay JR, Deamond SL, Moran MK, Gold W, Styra R. Understanding, compliance and psychological impact of the SARS quarantine experience. Epidemiol Infect. 2008 Jul;136(7):997-1007.
  • 11
    Lewnard JA, Lo NC. Scientific and ethical basis for social-distancing interventions against COVID-19. Lancet Infect Dis. 2020 Jun;20(6):631-33.
  • 12
    Bergius M, Kiliaridis S, Berggren U. Pain in orthodontics. A review and discussion of the literature. J Orofac Orthop. 2000;61(2):125-37.
  • 13
    Machado NAG, Costa YM, Quevedo HM, Stuginski-Barbosa J, Valle CM, Bonjardim LR, et al. The association of self-reported awake bruxism with anxiety, depression, pain threshold at pressure, pain vigilance, and quality of life in patients undergoing orthodontic treatment. J Appl Oral Sci. 2020 Mar;28:e20190407.
  • 14
    Lew KK. Attitudes and perceptions of adults towards orthodontic treatment in an Asian community. Community Dent Oral Epidemiol. 1993 Feb;21(1):31-5.
  • 15
    Kvam E, Gjerdet NR, Bondevik O. Traumatic ulcers and pain during orthodontic treatment. Community Dent Oral Epidemiol. 1987 Apr;15(2):104-7.
  • 16
    Bradley E, Shelton A, Hodge T, Morris D, Bekker H, Fletcher S, et al. Patient-reported experience and outcomes from orthodontic treatment. J Orthod. 2020 Jun;47(2):107-15.
  • 17
    Dowsing P, Murray A, Sandler J. Emergencies in orthodontics. Part 1: management of general orthodontic problems as well as common problems with fixed appliances. Dent Update. 2015 Mar;42(2):131-4, 137-40.
  • 18
    Huang J, Yao Y, Jiang J, Li C. Effects of motivational methods on oral hygiene of orthodontic patients: A systematic review and meta-analysis. Medicine (Baltimore). 2018 Nov;97(47):e13182.
  • 19
    Gwinnett AJ, Ceen RF. Plaque distribution on bonded brackets: a scanning microscope study. Am J Orthod. 1979 Jun;75(6):667-77.
  • 20
    Mitchell L. Decalcification during orthodontic treatment with fixed appliances--an overview. Br J Orthod. 1992 Aug;19(3):199-205.
  • 21
    Palomares NB, Celeste RK, Oliveira BH, Miguel JA. How does orthodontic treatment affect young adults' oral health-related quality of life? Am J Orthod Dentofacial Orthop. 2012 Jun;141(6):751-8.
  • 22
    Skidmore KJ, Brook KJ, Thomson WM, Harding WJ. Factors influencing treatment time in orthodontic patients. Am J Orthod Dentofacial Orthop. 2006 Feb;129(2):230-8.
  • 23
    Vegesna A, Tran M, Angelaccio M, Arcona S. Remote patient monitoring via non-invasive digital technologies: a systematic review. Telemed J E Health. 2017 Jan;23(1):3-17.
  • 24
    Eppright M, Shroff B, Best AM, Barcoma E, Lindauer SJ. Influence of active reminders on oral hygiene compliance in orthodontic patients. Angle Orthod. 2014 Mar;84(2):208-13.
  • 25
    Bowen TB, Rinchuse DJ, Zullo T, DeMaria ME. The influence of text messaging on oral hygiene effectiveness. Angle Orthod. 2015 Jul;85(4):543-48.
  • 26
    Zotti F, Dalessandri D, Salgarello S, Piancino M, Bonetti S, Visconti L, et al. Usefulness of an app in improving oral hygiene compliance in adolescent orthodontic patients. Angle Orthod. 2016 Jan;86(1):101-7.

Publication Dates

  • Publication in this collection
    11 Apr 2022
  • Date of issue
    2022

History

  • Received
    22 June 2020
  • Accepted
    24 Sept 2020
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