Outcome of Selective Caries Removal Performed by Undergraduate Students
Selective Caries Removal in Deep Carious Lesions of Permanent Teeth by Undergraduate Dental Students: A Prospective Clinical Study
Deep tooth decay can sometimes reach very close to the nerve of a tooth. Traditionally, dentists may remove all of the decayed tooth tissue, but removing too much tissue can increase the risk of exposing or damaging the nerve.
This study is looking at a more conservative way of treating deep tooth decay called selective removal of tooth decay. Instead of removing all the affected tissue close to the nerve, some of it is carefully left in place to help protect the nerve and preserve the tooth.
We will compare two ways of doing this. In one group, the dentist will remove the decay until softer tooth tissue remains near the nerve. In the other group, the dentist will remove more of the decay until firmer, leathery tooth tissue remains.
About 100 patients with deep tooth decay in permanent teeth will take part in the study. The treatment will be provided by trained fifth-year dental students under supervision and using standardized procedures.
After treatment, patients will be asked about any pain at 1, 3, and 7 days. The treated teeth will also be checked clinically and with dental X-rays at 6 and 12 months.
The purpose of the study is to find out whether either approach provides better outcomes while preserving the health of the tooth. The results may help dentists choose the most appropriate and conservative way to treat deep tooth decay and may also help improve dental student training.
연구 개요
상태
상세 설명
This is a prospective, randomized clinical study evaluating two approaches to selective caries removal (SCR) for the management of deep carious lesions in permanent teeth. The study will compare selective caries removal to soft dentine with selective caries removal to firm/leathery dentine. The aim is to determine whether the texture of the dentine left over the pulp influences clinical and radiographic treatment outcomes.
Following approval by the Institutional Review Board, eligible patients will be recruited from the dental teaching clinics at Jordan University of Science and Technology (JUST). Written informed consent will be obtained from all participants before enrollment. Approximately 100 patients will be included, with one tooth per patient. Participants will be randomly allocated in a 1:1 ratio to receive selective caries removal to either soft dentine or firm/leathery dentine.
Selective caries removal will be performed under rubber dam isolation according to a standardized clinical protocol. Soft dentine will be defined as soft, wet, easily deformable dentine that can be readily removed with a hand instrument. Firm/leathery dentine will be defined as drier, rubbery, less compressible dentine that provides moderate resistance to excavation. Following caries removal, the cavity will be disinfected and restored using a standardized adhesive restorative procedure.
Treatment will be performed by fifth-year undergraduate dental students under the supervision of experienced dental specialists. Supervisors will be calibrated before the study using standardized clinical cases, including clinical photographs, radiographs, and videos. Cases will be distributed among supervisors to promote consistent clinical supervision and standardization of treatment.
Baseline information, including patient and tooth characteristics, pain history, and caries risk, will be recorded. Postoperative pain will be assessed at 1, 3, and 7 days after treatment. Clinical and radiographic examinations will be performed at 6 and 12 months to evaluate the condition and treatment outcome of the treated teeth.
The study will assess whether selective caries removal to soft dentine provides outcomes comparable to or different from selective caries removal to firm/leathery dentine. The findings may help determine the most appropriate extent of caries removal for deep lesions and provide evidence to support conservative caries management in undergraduate dental education.
연구 유형
등록 (추정된)
단계
- 해당 없음
연락처 및 위치
연구 장소
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Irbid, 요르단, 3030
- Jordan University of Science and Technology
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참여기준
자격 기준
공부할 수 있는 나이
- 어린이
- 성인
- 고령자
건강한 자원 봉사자를 받아들입니다
설명
Inclusion Criteria:
- Patients in good general health (ASA I or II).
- One permanent tooth with a deep carious lesion involving ≥ ¾ of the dentine on bitewing radiograph.
- Positive response to cold and/or electric pulp testing.
- Bite-wing radiographic evidence of a well-defined radiodense zone between the carious lesion and the pulp.
Exclusion Criteria:
- Irreversible pulpitis
- Need for post and core restoration
- Non restorable teeth
- Negative response to sensibility testing
- Inability to isolate the tooth via rubber dam
공부 계획
연구는 어떻게 설계됩니까?
디자인 세부사항
- 주 목적: 치료
- 할당: 무작위
- 중재 모델: 병렬 할당
- 마스킹: 삼루타
무기와 개입
참가자 그룹 / 팔 |
개입 / 치료 |
|---|---|
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실험적: Selective craies removal to soft dentine
Dental caries will be cleaned from peripheries and soft dentine will be left over the pulpal wall
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Selective removal of carious dentine until soft dentine remains over the pulp, followed by standardized cavity disinfection and adhesive restoration.
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활성 비교기: Selective caries removal to firm dentine
Dental caries will be cleaned from peripheries and firm dentine will be left over the pulpal wall
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Selective removal of carious dentine until firm/leathery dentine remains over the pulp, followed by standardized cavity disinfection and adhesive restoration.
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연구는 무엇을 측정합니까?
주요 결과 측정
결과 측정 |
측정값 설명 |
기간 |
|---|---|---|
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Success
기간: 6, 12, 24, 36 months
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Treatment success will be assessed based on the clinical and radiographic condition of the treated tooth.
Clinical success will include absence of spontaneous pain, tenderness to percussion, swelling, sinus tract, or other signs of pulpal or periapical disease.
Radiographic success will be defined by tooth vitality and response to sensibility testing and absence of periapical pathology on follow-up radiographs.
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6, 12, 24, 36 months
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2차 결과 측정
결과 측정 |
측정값 설명 |
기간 |
|---|---|---|
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Postopertive pain
기간: 1, 3, 7 days postoperative
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Postoperative pain will be assessed using a numerical rating scale from 0 to 10, where 0 represents no pain and 10 represents the most severe pain.
Participants will report their pain intensity following treatment, and any analgesic use during the postoperative period will also be recorded.
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1, 3, 7 days postoperative
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Tooth survival
기간: 12, 24, 36 months
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Tooth survival will be assessed by determining whether the treated tooth remains present and functional during the follow-up period.
Tooth survival will be defined as retention of the treated tooth without extraction.
The need for additional endodontic treatment or other major intervention will also be recorded.
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12, 24, 36 months
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공동 작업자 및 조사자
수사관
- 연구 의자: Nessrin Taha, DClinDent, PhD, Jordan University of Science and Technology
간행물 및 유용한 링크
연구 기록 날짜
연구 주요 날짜
연구 시작 (실제)
기본 완료 (추정된)
연구 완료 (추정된)
연구 등록 날짜
최초 제출
QC 기준을 충족하는 최초 제출
처음 게시됨 (실제)
연구 기록 업데이트
마지막 업데이트 게시됨 (실제)
QC 기준을 충족하는 마지막 업데이트 제출
마지막으로 확인됨
추가 정보
이 연구와 관련된 용어
기타 연구 ID 번호
- 494/2025
개별 참가자 데이터(IPD) 계획
개별 참가자 데이터(IPD)를 공유할 계획입니까?
IPD 계획 설명
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