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OPEN POSITIONS PhD student position in Odontological Science - Restorative treatment or extraction of first permanent molars with severe molar incisor hypomineralization (MIH)

Project title: Restorative treatment or extraction of first permanent molars with severe molar incisor hypomineralization (MIH) - a randomized prospective multicenter study

Job assignments

General information about third-cycle studies: The PhD education in Odontological Science corresponds to studies of 240 credits in total. The studies are equivalent to four year full-time and lead to a Degree of Doctor. The studies comprise carrying out a scientific project and completing at least 30 credits of courses at third-cycle level. The doctoral student must also write a scientific compilation thesis or monograph corresponding to at least 120 credits. For more information about third-cycle studies at Sahlgrenska Academy, see

Project: The first permanent molar often exhibits regions with hypomineralized enamel when erupted. One or more of the teeth may be affected. The condition is called Molar-Incisor Hypomineralization (MIH) [Weerheijm et al. 2001] and is common in child populations (2.4 - 40.2%) [Jälevik 2010]. Clinically, the porous, hypomineralized areas appear as white-yellow to brownish demarcated opaque spots. In these areas, the enamel is insufficiently mineralized to varying degrees and can break apart [Jälevik & Norén 2000]. The affected teeth create problems for the child as well as for the dentist. The teeth can be very painful, e.g., when brushing teeth, ingesting cold drinks or ice cream. The teeth with severely damaged enamel are in need of repair shortly after eruption due to disintegrated enamel and subsequent caries [Leppäniemi et al 2006, Jälevik & Klingberg 2002, Espelid et al. 2009]. As a consequence of repeated painful treatments, the children show more treatment problems and dental fear and anxiety [Jälevik & Klingberg 2002]. In cases of widespread disintegration, disturbing hypersensitivity and/or increasing dental fear and anxiety, extraction may be a treatment option.

The views on the benefit of extracting first molars with a poor prognosis are contradictory and there is little evidence for an optimal time and pattern (balanced and/or compensatory) for the extraction [Williams & Gowans 2003]. The objective is to evaluate long-term extraction therapy, as compared to restorative treatment of the first permanent molars with extensive treatment needs as a result of MIH, in a national multicenter study.

Study design:
A multicenter study in the form of a randomized case-control study.
200 children are included in the study (100 in the extraction group, 100 in the restorative treatment group).
Models, Panoramic and Profile X-rays, and photos are taken. Surveys are to be completed. Thereafter, the children are randomized to restorative or extraction treatment.
The treatments are performed at the specialist clinic.
Follow-ups are done at the specialist clinics at the age of 11 and 15 years.
Ordinary examinations at the general dentist according to regular routines.

At our department, the PhD student will be given extensive, creative space to develop the project and the resources to produce advanced results. The PhD student will also benefit from being part of our dynamic team.  


To be eligible for third-cycle studies, the applicant must meet both the general and specific entry requirements.

A person meets the general entry requirements for third-cycle studies if he or she:
1. has been awarded a second-cycle qualification
2. has satisfied the requirements for courses comprising at least 240 credits of which at least 60 credits were awarded in the second-cycle, or
3. has acquired substantially equivalent knowledge in some other way in Sweden or abroad

A person meets the specific entry requirements for third-cycle studies if he or she: has successfully completed the English B/6 course or is considered to have acquired equivalent knowledge through previous studies


In selecting between applicants who meet the general and specific entry requirements, their ability to benefit from third-cycle studies shall be taken into account. The assessment shall attach particular importance to documented qualifications for:
- specific knowledge and skills within the subject area and related research fields
- experience of scientific theory and relevant research methodology
- scientific analysis and presentation verified through thesis, degree project, scientific journals or the like.


Time limited employment (temporary), 4 years. Extent: 100%. Location: Sahlgrenska Academy, Institute of Odontology. First day of employment: as agreed.

Regulations for employment of doctoral students are given in SFS 1998:80. Only those who are admitted to third-cycle studies may be appointed to doctoral studentships. Those appointed to doctoral studentships shall primarily devote themselves to their studies. They may, however, work to a limited extent with educational tasks, research and administration according to the regulations.

The initial appointment may apply for no longer than one year. An appointment may be renewed for no more than two years at a time. The total employment period may not exceed the time corresponding to full-time third-cycle studies for four years.

Salaries for doctoral students are regulated in a local agreement at the University.

For further information regarding the position

For more information about the project please contact the project supervisor Carolina Sabel,


Union representatives at the University of Gothenburg:

How to apply

In order to apply for a position at the University of Gothenburg, you have to register an account in our online recruitment system. Attach verified copies of your education and English proficiency proving your eligibility in pdf format. It is the responsibility of the applicant to ensure that the application is complete in accordance with the instructions in the job advertisement, and that it is submitted before the deadline. The selection of candidates is made on the basis of the qualifications registered in the application.

Closing date 2019-01-07

The University of Gothenburg promotes equal opportunities, equality and diversity.

Salaries for doctoral students are regulated in a local agreement at the University.

Applications will be destroyed or returned (upon request) two years after the decision of employment has become final. Applications from the employed and from those who appeal the decision will not be returned.

The University of Gothenburg tackles society’s challenges with diverse knowledge. 38 000 students and 6 000 employees make the university a large and inspiring place to work and study. Strong research and attractive study programmes attract scientists and students from around the world. With new knowledge and new perspectives, the University contributes to a better future.

In connection to this recruitment, we have already decided which recruitment channels we should use. We therefore decline further contact with vendors, recruitment and staffing companies.

Page Manager:|Last update: 2/23/2017

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